240 



(3) D. WisHin. fTul.J 



Ident. Gardn. 1. g. (under Podostcmon.) 



Engrav. Wight 1. c. t. 1916—3. 



Spec. Chae. Stems compressed, 2-edged, flexuose, bud-bearing 

 at the angles : leaves narrow-linear, simple, sheathing at the base : 

 capsule 8-striated. 



Pycarrah river, Neilgherries. 



(4) D. KIGIDA. fTul.J 



Ident.. Grardn. 1. c. (under Podostem on.) 



Engrav. Wight 1. c. t. 1916—5. 



Spbg. Chak. Branches long, rigid, diehotomous, parallel, leafless: 

 the flowering ones compressed: flowers secured with a double 

 involucre. 



Pyoarrah river, NeUgherries. 



(5) D. STTLOSA. (R. Wight.) 

 Ident. Wight 1. c. 1917—2. 



Spec. Chae. Stems very long, branched, compressed, leafless : 

 flowers distichous on the margin : involucre 4-leaved, imbricating, 

 distichous, inner pair smaller, outer nearly equalling the spathe, 

 obtuse, sheathing at the base, sub-cuspidate at the point : styles 

 pubescent, equalling or exceeding the ovary : capsule 6-ribbed. 



Mountain streams in Malabar. 



(6) D. Waxlichii. (Tal.) 



Ident. Tulasne Ann. des Sc. (3rd Series) II. 1849. 



Syn. Podostemon WaHichii, R. Br. 



Engrm. Wight 1. c. t. 1916—1. 



Spec. Chae. Erond greenish, middle-sized, lobately crisped on 

 the margin, veined, free and fructiferous on the circumference : 

 capsule 8-rii)bed, obtuse : valves somewhat incurved at the apex. 



SUhet. 



GENUS II. HTDEOBEYUM. 



Monadelpliia DigryniB.. Sex: Syst: 



Beriv. Prom Sydor, water, and Bryo, to grow, alluding to the 

 habitat of the plants. 



Gen. Chae. Involucre small, ellipsoid, bladder-shaped, splitting 



