402 FLORA NIGRITIANA. 
Rami volubiles, novelli pilis paucis brevibus subglandulosis hir- 
telli, demum glabrati. Stipule breviter vaginantes, setis - 
utrinque 2-3 glandulosis. Folia 2-3 poll. longa, circa pol- 
licem lata, acutiuscule acuminata, basi in petiolum brevem 
angustata, membranacea, utrinque viridia, subtus pallidiora, 
supra pilis brevibus raris conspersa, subtus ad costas pinnatas 
elevatas pubescentia, inter costas subavenia, glabra. Cyme 
terminales, pedunculate v. rarius folis floralibus 2 stipate 
quam folia caulina multo angustioribus. Flores secus eym® 
ramos breves subfasciculatos subsessiles. Bractee parvo, 
lanceolate. Calycis extus glanduloso-hirtelli tubus semi- 
lineam longus, limbi lacinie 6, lineares, subfoliacez, ing 
quales, majores lineam longe. Corolla, ex Vog. ecerulescens, 
extus glabra; tubus 3 lin. longus, intus supra medium bar- 
batus, czterum glaber; lacinie 5, vix 3 lin. longe, acutius- 
culæ, utrinque glabræ, æstivatione valvata v. vix leviter imbri- 
cata. Stamina tubo inclusa, in parte superiore intra pilos 
inserta, filamentis brevibus, antheris linearibus medifixis. 
Ovarium biloculare, placentis peltatis, ovulis numerosis non 
immersis. Stylus apice clavatus, bifidus. Capsula septicide 
breviter divisa, coccis intus apice dehiscentibus. Semina 
angulata. 
This genus was founded on the Pentas carnea of our gardens, 
the origin of which is unknown, but is most probably Tropical 
African. "Two other W. African species, Virecta elatior, DC, 
from Angola, and Hedyotis pentandra, Schum. et Thonn., from 
Guinea, have been referred to the same genus, though with 
some doubt. à 
l. Kohautia rigide, Benth.; ramis trichotomis fasciculatis di- 
varicatis, foliis anguste linearibus obtusis, stipulis vaginanti 
bus breviter setiferis v. nudis, floribus trichotome corymbos!® 
corolle lobis oblongo-linearibus, capsula dentes calycinos su- 
perante.— West Africa, south of the Line, Curror. sap 
Caules rigidi, ephedroidei, ramuli sepe fasciculati, foliis abortivis 
intermixtis. Folia pauca, distantia, 1-11-pollicaria, crassius 
cula, avenia. Inflorescentia K. grandiflore, sed flores minores 
K. stricte. Calyx turbinatus, semilineam longus, dentibus 
