FLORA NIGRITIANA. 501 
stems, and of the remarkably prominent ribs on the involucre of 
D. heterophylla, will at once distinguish our plant. 
The D. Senegalensis, A. Juss., (supra p. 174) is probably, 
from its name, a Senegalese as well as a Cape Verd plant. 
l. Stillingia Guineensis, Benth. ; foliis ovali-oblongis ellipticisve 
acuminatis integerrimis paucidentatisque basi rotundatis an- 
gustatisve, spicis subsimplicibus, floribus masculis plerisque 
solitariis trifidis triandris.—Sierra Leone, Don. 
Frutex videtur glaberrimus, ramulis novellis angulato-compres- 
sis demum teretibus. Folia breviter petiolata, forma et mag- 
nitudine varia, nune bipollicaria basi rotundata, nunc semi- 
pedalia, basi longe angustata, pleraque dentibus paucis obtu- 
sis presertim apicem versus notata, basi supra petiolum 1-2- 
glandulosa. Stipule minutz v. obsolete. Gemme axillares 
v. supra-axillares constantes e squamellis pluribus, secus 
caulem linea vertieali suprapositis, acuminatis et spiraliter 
tortis. Spice terminales, solitarie v. geminz, simplices 
(v. basi ramos: ?), 1-2-pollicares. Bractee ovate, acuminate, 
dentieulatz, basi utrinque glandula peltata stipulate, infe- 
riores pauce foeminee 1-14 lin. longe, superiores plurimi 
mascule À lin. longs. Flores intra bracteas solitarii (v. 
mares rarissime gemini ?), pedicello brevi apice incrassato, 
calyce fere tripartito, laciniis ovatis acuminatis, sestivatione 
leviter imbricatis. Glandule intra flores nulle. Stamina 
fl. masc. 3 v. rarissime 2, filamentis calyce duplo longioribus 
ima basi subconnatis. Ovarium floris foeminei mari majoris 
sessile, glabrum, calycem zequans. Styli 3, longiusculi, ahg 
luti, basi incrassati, et facie interiore undique stigmatosi. 
Fructus nonnisi reliquios vidi, quorum axis 4 lin. longa est, 
stipite 1 lin. longo fulta. 
l. Microstachys chamelea, A. Juss.—Tragia chamelæa, Linn. 
—Acera, and on the Quorra at Attah, Vogel; at the Con- 
fluence, Ansell; a common East Indian plant. 
l. Tragia cordifolia, Vahl, Symb. 1. p. 67 ?-—Cape Coast and 
Fernando Po, Vogel; an Egyptian species. 
Caulis volubilis. Folia longe petiolata, sinu late cordata, acu- 
minata, serrata, 2-3-pollicaria, membranacea, supra minute 
