Rubus.] Rosacea. 135 



A moderate-sized tree, bark rather rough, pale brown, 

 young shoots slightly adpressed-pubescent ; 1. 3-6 in., broadly 

 oblong-oval, rounded at base, obtuse, entire, glabrous on both 

 sides, thick, with 2 large round or oval immersed glands one 

 on either side of midrib near its base, petiole about J in., stout, 

 furrowed, fi. about h in. wide, ped. longer than cal., spreading, 

 racemes numerous, erect, narrow, stout, 3-4 in. long, finely 

 pubescent, cal. pubescent, segm. usually 5 ; pet. oval, villous on 

 margins, stam. 20 or more, much exceeding pet.; ov. glabrous ; 

 fruit about f in. wide by § in. long, somewhat didymous, apicu- 

 late, glabrous, pericarp thinly coriaceous. 



Var. /3, parvifolium, Thw. C. P. 1596. 



L. 2-3 in., more rigid, margins often recurved, sometimes 

 lanceolate, acute; racemes i-i| in., fl. smaller, on shorter ped. 



Montane zone, above 4000 ft.; common; and occasionally at some- 

 what lower elevations. Fl. August-October; white, sweet-scented. 

 Also on the hills of S. India. 



2. P. zeylanicum, Gaertn. F?'uct. i. 218 (1788). G-olu-mora, 

 K.ankumbal-ketiya, S. 



Polyodontia Walkerii, Wight, 111. i. 203. Pygeitm Walkerii, Bl. Mel. 

 Bot. n. 2. Thw. Enum. 102. C. P. 1532. 



Fl. B. Ind. li. 321. Gaertn. Fruct. i. t. 46, f. 4 (fruit only). 



A large tree, with smooth grey bark, branchlets with 

 numerous large linear lenticels, young shoots densely velvety 

 with yellow silky hair; 1. rather large 5-7 in., ovate-oval, 

 rounded at base, acuminate, subacute, glabrous above, hairy 

 on the prominent veins beneath, entire, stiff, with 2 basal 

 glands as in the last, petiole short, stout ; fl. about \ in., ped. 

 woolly, scarcely longer than cal., racemes numerous, 2-4 in., 

 erect, narrow, rufous-tomentose; cal. woolly-pubescent, segm. 

 usually 6, shortly acuminate ; pet. 6, very woolly ; stam. 

 usually 12; ov. hairy; fruit §-l in. wide by §-£ in. long, not 

 apiculate, rusty-pubescent becoming glabrous. 



Moist low country, rather common. Fl. Feb.; creamy white. 



Endemic. 



The pet. are difficult to distinguish from the cal. -segm. Wood close- 

 grained, rather heavy ; yellow. The seeds when bruised have a strong 

 odour of prussic acid. 



In drying, the leaves of both species turn a dark coppery brown. 



2. RUB17S, L. 



Prickly shrubs with long sarmentosc stems, 1. simple or 

 compound, stip. petiolar orcauline, fl. in axillary and terminal 



