Each numbered point is a stop: a run of days spent within about ten kilometres. The route between stops is drawn straight; the real course went by sea, by road or on foot. Hollow-looking stops are placed at the centre of an island whose labels carry no coordinates.
West Islet., West Island 4 June 1961 1 specimens, 1 name
Phyllanthus niruri 1
The specimens from 4 Jun → Horsborough Islet, Horsburgh Island 19 June 1961 1 specimens, 1 name
Cyperus javanicus 1
The specimens from 19 Jun → Home Islet, Home Island 25–27 June 1961 · 3 days 21 specimens, 21 names
Cyanthillium cinereum 1 , Cyperus bulbosus 1 , Dactyloctenium aegyptium 1
The specimens from 25 Jun–27 Jun → Direction Islet, Direction Island 28 June 1961 11 specimens, 10 names
Boerhavia diffusa 2 , Cassytha filiformis 1 , Ceodes grandis 1
The specimens from 28 Jun → Horsborough Islet, Horsburgh Island 29 June 1961 11 specimens, 11 names
Cordia subcordata 1 , Cyperus javanicus 1 , Dodonaea viscosa 1
The specimens from 29 Jun → Home Islet, Home Island June – July 1961 · 3 days 7 specimens, 7 names
Calophyllum inophyllum 1 , Chromolaena odorata 1 , Guettarda speciosa 1
The specimens from 30 Jun–2 Jul → West Islet, West Island 3 July 1961 2 specimens, 2 names
Hernandia nymphaeifolia 1 , Pandanus 1
The specimens from 3 Jul → Cocos Keeling Is. Cocos Atoll. West Islet, West Island 4 July 1961 2 specimens, 2 names
Cenchrus echinatus 1 , Chloris barbata 1
The specimens from 4 Jul → Pamplemousses Bot. Garden, Mauritius 6 July 1961 1 specimens, 1 name · placed by island
Pandanus petrosus 1
The specimens from 6 Jul → Mare Longue., Mauritius 7 July 1961 8 specimens, 8 names · placed by island
Abrodictyum rigidum 1 , Hymenophyllum rarum 1 , Hypolytrum nemorum 1
The specimens from 7 Jul → Petrin, Mauritius 8 July 1961 3 specimens, 3 names · placed by island
Eugenia foetida 1 , Pandanus eydouxia 1 , Pandanus palustris 1
The specimens from 8 Jul → St. Hubert, Mauritius 9 July 1961 1 specimens, 1 name · placed by island
Pandanus utilis 1
The specimens from 9 Jul → Petrin, Grand Bassin Range, Riviere du Pate, Mauritius 11 July 1961 5 specimens, 4 names · placed by island
Alsophila borbonica 2 , Aphloia theiformis 1 , Faujasiopsis flexuosa 1
The specimens from 11 Jul → Brule, Reunion 13 July 1961 2 specimens, 2 names
Forgesia racemosa 1 , Pandanus montanus 1
The specimens from 13 Jul → Grand Boule, St. Philippe., Reunion 15 July 1961 10 specimens, 8 names
Agarista salicifolia 3 , Angraecum eburneum 1 , Aphloia theiformis 1
The specimens from 15 Jul → Rampe de la Grande Montee, Plaine des Palmistes., Reunion 16 July 1961 5 specimens, 4 names
Acacia heterophylla 2 , Elaphoglossum aubertii 1 , Elaphoglossum paleaceum 1
The specimens from 16 Jul → Bois Blanc, Reunion 21 July 1961 8 specimens, 2 names
Pandanus utilis 7 , Pandanus 1
The specimens from 21 Jul → Trail from Le Brule to La Roche Ecrite., Reunion 23 July 1961 8 specimens, 6 names
Astelia hemichrysa 2 , Packera dubia 2 , Carex boryana 1
The specimens from 23 Jul → Tananarive; Jardin Botanique, Madagascar 1 August 1961 3 specimens, 1 name · placed by island
Pandanus dyckioides 3
The specimens from 1 Aug → Antalaha, Madagascar 7 August 1961 7 specimens, 2 names · placed by island
Pandanus pluriloculatus 5 , Pandanus coriaceus 2
The specimens from 7 Aug → 20 km au NE de Majunga, 2 km inland, Amaninomby, Madagascar 8 August 1961 9 specimens, 4 names
Pandanus oligocarpus 5 , Pandanus subglobosus 2 , Pandanus ambongensis 1
The specimens from 8 Aug → Moroni Domoui M'tsoude; 20 km n. of Moroni, Grande Comore 11 August 1961 5 specimens, 1 name
Pandanus maximus 5
The specimens from 11 Aug → Domoui M'tsoude; 20 km n. of Moroni, Grande Comore 12 August 1961 2 specimens, 2 names
Pandanus maximus 1 , Pandanus utilis 1
The specimens from 12 Aug → Moroni Ile Grande Comore; Moroni 13 August 1961 4 specimens, 1 name
Pandanus maximus 4
The specimens from 13 Aug → M'De Ile Grande Comore; M'De; 5 km s.w. of 14 August 1961 2 specimens, 1 name
Pandanus maximus 2
The specimens from 14 Aug → Ile Grande Comore; Moroni 15 August 1961 1 specimens, 1 name
Pandanus maximus 1
The specimens from 15 Aug → Patsy, Anjouan Island 16 August 1961 5 specimens, 2 names
Pandanus utilis 4 , Pandanus diffusus 1
The specimens from 16 Aug → Chiconi; Batrini Ile Anjouan, Anjouan Island 18 August 1961 2 specimens, 1 name
Pandanus mayotteensis 2
The specimens from 18 Aug → Mamoutzou, Mayotte 19 August 1961 3 specimens, 1 name
Pandanus mayotteensis 3
The specimens from 19 Aug → Ile Ankaloka; Riviere Betsiboka, Madagascar 20 August 1961 1 specimens, 1 name · placed by island
Pandanus ambongensis 1
The specimens from 20 Aug → Tananarive Botanical Garden, Madagascar 23 August 1961 3 specimens, 2 names · placed by island
Pandanus vandamii 2 , Pandanus dyckioides 1
The specimens from 23 Aug → Lambontsira, 4km Sud of Ambodifototra. Remnant in cult. fields. Ile Sainte Marie. 26 August 1961 8 specimens, 3 names
Pandanus concretus 6 , Martellidendron karaka 1 , Pandanus diffusus 1
The specimens from 26 Aug → Ile Sainte Marie; Davola, Foret de Kalalau. 14 km N of Ambodifototra, Madagascar 28 August 1961 2 specimens, 1 name · placed by island
Martellidendron karaka 2
The specimens from 28 Aug → Ambitsika, 3 km South of Mananara, Madagascar 30 August 1961 3 specimens, 2 names
Pandanus concretus 2 , Pandanus pervilleanus 1
The specimens from 30 Aug → Analabe; 5 km S of Andapa, Madagascar 1 September 1961 1 specimens, 1 name · placed by island
Martellidendron karaka 1
The specimens from 1 Sep → Farankaraina; 14 km NE of Maroantsetra, Madagascar 2 September 1961 17 specimens, 4 names
Pandanus concretus 8 , Martellidendron karaka 7 , Pandanus 1
The specimens from 2 Sep → 5 km au sud de Maroantsetra, Varingohitra, Madagascar 3 September 1961 8 specimens, 2 names
Pandanus concretus 7 , Pandanus manamboloensis 1
The specimens from 3 Sep → Andarsibe, Ligne Cap Est, 20km S of Antulaha, Madagascar 6 September 1961 12 specimens, 4 names
Pandanus columnaris 6 , Pandanus pervilleanus 3 , Pandanus concretus 2
The specimens from 6 Sep → Andrapengy, Ampahana, 22km au Nord d'Antalaha. Forêt marécageuse., Madagascar 7 September 1961 3 specimens, 2 names
Pandanus pluriloculatus 2 , Pandanus columnaris 1
The specimens from 7 Sep → Analabe, 5 km au sud d'Andapa., Madagascar 9 September 1961 2 specimens, 1 name
Martellidendron karaka 2
The specimens from 9 Sep → Tsaramenandro 8 km n.e. of Andapa; Reserve Naturelle no. 12, Madagascar 10 September 1961 3 specimens, 1 name · placed by island
Pandanus polycephalus 3
The specimens from 10 Sep → Mt. Ambre, Madagascar 14 September 1961 8 specimens, 2 names · placed by island
Pandanus spicatus 5 , Pandanus connatus 3
The specimens from 14 Sep → 2 km N of Fort-Dauphin, Madagascar 22 September 1961 3 specimens, 1 name · placed by island
Pandanus concretus 3
The specimens from 22 Sep → Naturona; 7 km w. of Fort-Dauphin, Madagascar 26 September 1961 10 specimens, 3 names · placed by island
Pandanus platyphyllus 5 , Pandanus aridus 4 , Pandanus barbellatus 1
The specimens from 26 Sep → 80 km E of Morondava, Madagascar 3 October 1961 8 specimens, 4 names
Pandanus ambongensis 5 , Pandanus chiliocarpus 1 , Pandanus manamboloensis 1
The specimens from 3 Oct → 23 km N of Morondava on the route to Belo sur Tsir, Madagascar 5 October 1961 3 specimens, 3 names · placed by island
Pandanus bipyramidatus 1 , Pandanus manamboloensis 1 , Pandanus stellatus 1
The specimens from 5 Oct → Mbere Div.; Ena R. near Kiamugaa Tobacco Factory; Mavuria Location. protologue states: [Kenya, Embu District, 25 km. E. of Embu, Ena R. bridge 19 October 1961 1 specimens, 1 name
Pandanus kajui 1
The specimens from 19 Oct → Balens River; Pasuan Village, 8 miles NE of Kigona 29 October 1961 3 specimens, 2 names
Pandanus 2 , Pandanus chiliocarpus 1
The specimens from 29 Oct → Nyali Beach; 3 miles N of Mombasa 16 November 1961 3 specimens, 1 name
Pandanus kirkii 3
The specimens from 16 Nov → Mariakaya; 8 miles N of Kaloleni 17 November 1961 2 specimens, 1 name
Pandanus rabaiensis 2
The specimens from 17 Nov → Mombasa. 18 November 1961 1 specimens, 1 name
Capparis cartilaginea 1
The specimens from 18 Nov → 14 km E d'Amboasary, Ranomainty, W of Fort Dauphin. 22 November 1961 1 specimens, 1 name
Pandanus aridus 1
The specimens from 22 Nov → East Usambara Mts.; Bomole Hill, Amani 23 November 1961 5 specimens, 2 names
Pandanus rabaiensis 4 , Pandanus 1
The specimens from 23 Nov → Kigombe Beach, 27 miles S of Tanga 24 November 1961 4 specimens, 1 name
Pandanus kirkii 4
The specimens from 24 Nov → Maweni; 8 miles N of Tanga Among limestone rocks of Kambe Series; in forest with Sterocarpus angolensis; Euphorbia candelabrum; Albizzia sp 27 November 1961 1 specimens, 1 name
Pandanus rabaiensis 1
The specimens from 27 Nov → Pemba Island; Mkoni Mkunguni, SW end of island, Zanzibar 30 November 1961 5 specimens, 3 names
Pandanus kirkii 3 , Pandanus 1 , Pandanus utilis 1
The specimens from 30 Nov → Josani Forest, Zanzibar 1 December 1961 1 specimens, 1 name
Pandanus rabaiensis 1
The specimens from 1 Dec → Chukwari Top of western sea beach; growing with the female, Zanzibar 2 December 1961 4 specimens, 1 name
Pandanus kirkii 4
The specimens from 2 Dec → Dar-es-Salaam; Oyster Bay 4 December 1961 8 specimens, 3 names
Pandanus kirkii 6 , Pandanus 1 , Pandanus tectorius 1
The specimens from 4 Dec → Beach near airport, Mafia 11 December 1961 6 specimens, 3 names
Pandanus tectorius 3 , Pandanus kirkii 2 , Pandanus odorifer 1
The specimens from 11 Dec → Nicodala Village; 30 km NW of Quleimane 26 December 1961 1 specimens, 1 name
Pandanus kirkii 1
The specimens from 26 Dec → Ravene; 80 km s. of Inhambane 3 January 1962 3 specimens, 2 names
Pandanus utilis 2 , Detzneria 1
The specimens from 3 Jan →