408 
THE ALPINE AND SUB-ALPINE VEGETATION 
655, Polygonum filicaule Wall. 
Ijaghop, Chola; 9 — 13,000 ft., Nos, 2980, 3389. Very cominoii, 
VAR. villosa 
Sherabthaiig, Chola, 13—14,000 ft., No. 3478. 
VAR. caespitosa 
Changu, 12—14,000 ft.. No. 3522. 
656, Polygomini viviparum Linn. 
Chola range, 12 — -14,000 ft,, No. 3(529. Common. 
657, Polygonum spliaerostachyum Meissn. 
Changu, Tosa, Kapoop, 12 — 14,000 ft.. No. 3407. 
658, Polygonum perpiisillum Hook. f. 
Chola range, 13 — 15,000 ft.. Nos. 3545, 4044. Common. 
650, Polygonum amplexicaule Don var. speciosa 
Laghep, Fieunggong, Gnatong, 10—12,000 ft., Nos. 3882, 4367 
660. Polygonum vacciuiifolia Wall 
Changu, Chola, 11 — 1,300 ft., No. 3740. 
661. Polygonum flaccidum Meissn. var. liispida 
Phadonchen, 7,000 it., No, 4448. 
663, Polygonum alatum Ham. 
Common, 5 — 10,000 ft. 
663, Polygonum runcinatum Ham. 
Dikchu Valley, Laghep, 9 — 11,000 ft. 
664, Polygonum siiiuatum Royle 
Phadonchen, 10,000 ft.. No. 4391. 
665, Polygonum iiiolle Don 
Phadonchen, 8,000 ft. 
666, Polygonum polystachyum Wall. 
Chola range, 12—13,000 ft., common. 
607. Polygonum canipanulalum Hook. f. 
Chola range, 8 12,000 ft,. No. 4366. Common. 
668. Polygonum nummularifolium Meissn. 
Chola range, 14—15,000 ft., very common. 
358. Elieum Linn. 
669. Rheum acuminatum H. f. & T. 
Changu, Chola, 11 — 12,000 ft. Common. ' 
670. Rheum nohile H. f. & T. 
Changu, Chola, 13—15,000 ft. Not so common as In northern 
Sikkim. 
