532 Prof. Dow's Descriptions of Indian Gentianex. 
Exacum tetragonum. Roxb. Fl. Ind. i. p.398. Wall. Cat. n. 4356. 
B. roseum, foliis parüm angustioribus, floribus roseis. 
Exacum roseum. Royle Ill. p. 276. 
E. tetragonum. Don Prodr. Fl. Nep. p. 128. 
E. Hamiltonii. G. Don Syst. Gard. & Bot. iv. p. 213. 
Habitat in Emodi montibus ad Khiree Pass et Kedarkanta. Royle. ©. Fl. Junio 
et Augusto. 
Gen. XII. SLEVOGTIA. Reichenb. 
ADENEMA. G. Don. 
GENTIANE sp. L. 
Exact sp. Willd. 
Calyx tubulosus, 5-dentatus. Corolla infundibuliformis : limbo 5-fido, zestiva- 
tione induplicatà, subvalvatà! Stamina 5, inclusa: filamenta subulata, 
basi interiore squamuláà cyathiformi aucta! anthere lineares apiculate : 
loculis parallelis, omnind connatis, longitudinaliter dehiscentibus. Stigma 
capitatum, indivisum. Capsula ovata, crustacea, 1-locularis: valvis mar- 
gine introflexis, placentiferis. Semina minuta, globosa, scrobiculata. 
Herba (Indie Orient.) perennis, radice repenti sublignosd, caulibus erectis 
tetragonis simplicibus, foliis sessilibus lineari-lanceolatis acutis 3-nerviis, 
floribus axillaribus sessilibus parvis albis. 
1. S. verticillata. 
Adenema hyssopifolium. G. Don Syst. Gard. & Bot. iv. p. 201, 
Gentiana verticillata. Linn. fil. Suppl. p. 174. Wall. Cat. n. 4396. 
Exacum hyssopifolium. Willd. Sp. Pl. i. p. 640. 
Habitat in ripis Jumnz fluminis. Royle. X. 
An abstract of the present paper appeared in the Philosophical Magazine 
for January 1836, and the nomenclature there given is here adopted. I have 
added the synonyms from the forthcoming volume of my brother's work. 
