FLORA NIGRITIANA. 475 
—On the Quorra, Vogel. The type of the species is from 
Senegal and Guinea. 
8. Striga Senegalensis, Benth. in DC. Prod. 10. p. 502.—On 
the Quorra, at Stirling, Vogel, Ansell; Senegal and East 
Africa. Possibly a mere small-flowered variety of S. her- 
monthica. 
Two other Strige belong to W. Tropical Africa, the S. For- 
besii, Benth., from Senegal and Madagascar, and S. macrantha, 
Benth., from Senegal and Sierra Leone. The Rhamphicarpa 
fistulosa, Benth., an Abyssinian and Nubian plant, is found also 
m Senegal ; and Sopudia filiformis, G. Don, from Guinea, com- 
pletes the list of W. Tropical African Scrophularinee. 
LXXXI. Acantuacrm. 
1. Thunbergia geraniifolia, Benth.; scandens, pilis longis 
hirta, foliis latis cordatis palmato-5-lobis acuminatis, pedun- 
culis axillaribus unifloris, calyce truncato integro.—Sierra 
Leone, Don. 
Pili longi rigiduli appressi v. subpatentes, ad ramulos infra 
nodos et in petiolos reflexi, supra nodos et in pedunculos 
arrecti, in foliorum pagina superiore bracteisque numerosi 
Sparsi, in pagina inferiore rariores precipue ad venas dis- 
positi. Folia multo minora, tenuiora et magis lobata quam 
in 7. grandiflora, et tomentum breve scabrum illius speciei 
omnino deest. Bractee li-pollicares, acuminate, membra- 
naceæ nec coriaces. — Corollam non vidi. 
2. Thunbergia chrysops, Hook.—N., ab E. in DC. Prod. 11. 
P. 55.— Sierra Leone, Whitfield. $a 
3. Thunbergia cynanchifolia, Benth. ; volubilis, pilosula, gracilis, 
foliis petiolatis cordato-sagittatis membranaceis, calyce 6-7- 
fido, corolle limbo tubo suo breviore.— On the Quorra, 
Vogel. yi 
Caules tenues, parce pilosuli v. glabrati. Folia 1-3-pollicaria, 
forma fere Cynanchi acuti, apice mucronulata, margine cilio- 
lata, basi profunde cordata, auriculis rotundatis v. sepius sub 
angulatis, utrinque viridia et sparse pilosula v. demum gla- 
