542 FLORA NIGRITIANA, 
cucullatis acuminatis hirtellis, pedunculis solitariis 3-4-floris 
(sterili nullo ?), sepalis glanduloso-lineolatis, (petalo impari ob- 
longo ?)—On the Quorra, at Attah, Vogel. 2 
Caules semipedales ad pedales. Folia 2-3 poll. longa, circiter 
2 lin. lata. Pedunculi puberuli, 3-4 lin. longi. Spathe re- 
flexee, semipollicares, extus pilis minutis hirtelle et prope 
basin aliis majoribus subpaleaceis hispide. Flores inclusi, 
parvi. Petala2, longe unguiculata, calyce subtriplo longiora, 
angusta; tertium breve sessile. 
The specimens are very rotten, and I could only examine one 
imperfect flower. 
8. Commelyna aspera, G. Don, in Herb. Soc. Hort. Lond.; 
caulibus repentibus glabris, foliis lanceolatis v. lineari-lanceo- 
latis supra v. utrinque scabro-hirtellis, spathis subsessilibus 
ad apicem caulis confertis turbinato-cucullatis acuminatis 
extus pilosis, sepalis glabris, (petalo impari ovato ?) —Accra, 
Don ; Confluence of the Niger, Vogel. 
- This may possibly be a mere variety of the American C. ele- 
gans, Kunth, 
There are two other West African species described, C. wm- 
bellata, Schum. et Thonn., from Guinea, which must be very 
near our C. Nigritana, although the description does not quite 
agree, and the Arabian C. Forskalei, which is indicated also 
from Senegambia. : 
1. Cyanotis Janata, Benth. ; foliis lanceolatis linearibusve 1m- 
florescentiis cauleque laxe sericeo-lanatis, spicis lateralibus ter- 
minalibusque subgeminis, bracteolis falcato-lanceolatis, ae 
palis pilosissimis, corolla infundibulari triloba, staminibus VX 
exsertis.—Savannahs on the Quorra, at Addaenda and Patteh, 
Vogel. 
Caules pedales v. longiores, diffusi, subramosi. Pili molles, 
albidi, laxe sericei, ad nodos et vaginas copiosi, in caule 
foliisque rariores, demum subevanidi. Folia 2-9-pollicaria- 
Capitula e spicis geminis formata, pleraque terminalia, ad- 
jecto nonnunquam altero axillari. Folia floralia complicata, 
inferius sæpe caulinis conforme, alterum brevius. Inflores- 
centia C. cristate, sed bractex angustiores valde falcatæ. 
Sepala 2 lin. longa, lanceolata, pilis longis copiosis ciliata. 
