532 Prof. Don's Descriptions of Indian Gentianese. 



Exacum tetiagonum. Roxb. Fl. Ind. i. p. 398. JVall. Cat. n. 4356. 

 j3. roseum, foliis parCim angustioribus, floribus roseia. 

 Exacum roseum. Royle III. p. 276. 

 E. tetiagonum. Don Prodr. Fl. Nep. p. 128. 

 E. Hamiltonii. G. Don Syst. Gard. 8f Bat. iv. p. 2)3. 

 Habitat in Emodi montibus ad Khiree Pass et Kedarkanta. Royle. O . Fl. Junio 

 et Augusto. 



Gen. XII. SLEVOGTIA. Reichenb. 

 Adenema. G. Don. 

 Gentian^e sp. L. 

 Exact sp. Willd. 

 Caliix tubulosus, 5-dentatus. Corolla infundibuliformis : Umbo 5-fido, aestiva- 

 tione induplicata, subvalvata \ Stamina 5, inclusa : Jilamenta subulata, 

 basi inteiiore squamula cyathifonni aucta ! antherce lineares apiculatse : 

 loculis parallelis, omnin6 connatis, longitudinalit^r dehiscentibus. Stigma 

 capitatum, indivisum. Capsula ovata, ciustacea, l-locularis : valvis mar- 

 gine introflexis, placentiferis. Semina minuta, globosa, scrobiculata, 

 HerbEe (Indise Orient.) perennis, radice repenti sublignosd, caulibus erectis 

 tetragonis simplicibus, foliis sessilibus Uneari-lanceolatis acutis S-neniis, 

 floribus axillaribus sessilibus parvis albis. 



1 . S. verticillata. 



Adenema hyssopifolium. G. Don Syst. Gard. S^ Bot. iv. p. 201 . 



Gentiana verticillata. Linn, f I. Suppl. p. 1 74. ff^all. Cat. n. 4396. 



Exacum hyssopifolium. fVilld. Sp. PI. i. p. 640. 

 Habitat in ripis Jumnse fluminis. Royle. V- . 



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. 



