1078 INDIAN MliDICINAL PLANTS. 



From these experiments they conclude that the active principle is de- 

 composed on the slightest heating, and that the only proper preparation 

 of the drug would be one made without the application of heat. They pre- 

 pared the polygomic acid of Dr. Rademaker, and conclude from their 

 experiments that it is only a mixture of impure tannic and gallic acids. 

 (Pharmacog. Ind. Ill pp. 150-151.) 



1062. P. alatum y Earn., h.f.b.i., v. 41. 



Syn. : — P. Nepalense, Meissu. 

 Vern. :— Sat balon (Pb.). 



Habitat : — Throughout the Himalaya, from Sikkim to 

 Kashmir. Khasia Mts., Nilghiri Mts., Canaia ; and the Baba- 

 budan Hills. 



An annual herb. Stem l-2ft., long, rarely creeping for 

 a short distance at the base, erect and sub-simple or branched 

 from the base, erect, tall or low, glabrous or sparsely hairy. 

 Branches 6-8in. high, slender or rather stout, flaccid or stiff. 

 Leaves large or small (f-ljin. long), ovate or deltoid, ovate- 

 obtuse or acute or narrowed into a broadly winged, often 

 amplexicaul, petiole, glandular or not. Stipules tubular, obliquely 

 truncate. Peduncles glandular, hispid at tip. Involucre-leaf 

 often longer than the head, sessile, ovate, cordate, obtuse or 

 acute. Heads usually with an involucral leaf, ^-fin. Bracts 

 ovate-lanceolate, glabrous, not ciliate. Perianth 1-5-fid, stamens 

 7-8, included, sepals white or pale-purple, membranous, sub- 

 equal, very variable in size. St}de long, with one or two 

 long arms and capitate stigmas. Nut varying in size, 1-in., the 

 same head, closely invested and cohering with the thin perianth- 

 tube and crowned with the lobes, bi-convex or tri-gonous, striate 

 and punctate. 



£7 se .__I n Kangra its leaves are applied to swellings 

 (Stewart). 



1063. P. Molle Don Brod., h.f.b.i., iv. 50. 



Habitat :— Central and Eastern Himalaya; Nepal, Sikkim, 



Mishmi Hills. 



Shrubby, erect, 3-6ft. Stems angled, hairy, becoming tomen- 

 tose in the upper parts. Leaves stalked or the upper nearly 

 sessile, oblong-lanceolate, 4-9in. by lfSJin, long-pointed, upper 



