FLORA NIGRITIANA. 565 
boon Coast, Middleton; to 15° south latitude, Thwaites ; 
Abyssinia. 
3. Sporobolus pyramidalis, Beauv.— Kunth, Enum. 1. p. 218. 
— Accra, Don; Cape Coast and Sierra Leone, Vogel; 
Oware. 
4. Sporobolus commutatus, Kunth, Enum. 1. p. 214.—On the 
Quorra, at Patteh, Vogel; East India. 
5. Sporobolus myrianthus, Benth.; glaberrimus, culmis graci- 
libus erectis, foliis convoluto-setaceis, vaginis ore ciliatis, 
panicula effusa ramosissima ramulis capillaceis apice unifloris, 
spieulis angustis acuminatis, gluma exteriore flore triplo 
breviore obtusa, superiore dimidium floris zequante mucronu- 
lata, paleis æqualibus, exteriore obsolete mucronulata,—On 
the Quorra, at Patteh, Vogel. 
Habitus S. minutiflori, differt statura ut videtur altiore, pani- 
cula ampla, 9-pollicari, ramis capillaribus numerosissimis, 
foliis tenuibus 2-A-polliearibus, et presertim spiculis angustis 
subacuminatis fere lineam longis. 
6. Sporobolus minutiflorus, Link.—Kunth, Enum. 1. p. 214.— 
On the Quorra, Mac William ; Brazil and East India, 
The other recorded. West Tropican African Sporoboli are: 
8. littoralis, Kunth, from Senegal and South America; Vilfa 
helvola, Trin., Senegal, and Abyssinia; V. paniculata, Trin., 
Sierra Leone; Agrostis extensa; Schum. et Thonn., and A, 
congener, Schum. et Thonn., both from Guinea, the latter pro- 
bably one of the forms of S. Virginicus. 
_ The Agrostis tropica, Beauv., from Prince’s Island (off the 
Gaboon Coast) and from the Mauritius, appears to be a true 
Agrostis as now limited, 
The Crypsis aculeata, Ait., belonging to the Mediterranean 
region, extends to Senegal. Triraphis pumilio, described by 
Brown in the Appendix to Oudney and Clapperton's Voyage, 
may not, strictly speaking, belong to the Western Tropical 
region. 
l. Microchloa odtusiftora, Benth. ; foliis brevibus convoluto- 
filiformibus, glumis obtusiusculis, paleis dorso longiuscule 
pilosis, —On the Quorra, at Patteh, Vogel. 
Habita refert M. setaceam (Brasiliensem), et quodammodo 
