THE ALPINE AND SVB-ALPINE VEGETATION 
SS2 
89. Draba elafa H. f. & T. 
Cbangu, Nathui La^ Dzalep, li — 13,000 ft., Nos. 3009,-3262,4338. 
Common. 
90. Draba gracilUma H. £. 8z: T. 
Sherabthang, Cbangu, Tosa, 12—14,500 ft., Nos. 3094, 8441- 
Common. 
91. Draba cholaeiisis W. W. Smith sp. nov. 
Sectlonis BrahellcE species; Draba gracillimae H. f. & T., affinis ; 
majoribus floribus, fructu capillis albis sparse induto satis distincta. 
Tlanta annua radice debili. Omnino babitus Drabae gracillimae* 
Caules 5 — 10 cm. alti, multi, filiformes, debiles, flexuosi, ascendentes, 
sparse albo-villosi. iFoUa radicalia delapsa (plantae graminibus inter- 
mixtae) ; caulina 1 cm. longa, 4mm. lata, remota, elliptica, sessilia, 
Integra, sparse albovillosa, nervis obscuris. Flores 1 — 3, fugacei, remoti, 
racemosi, ehracteati, superiore dimidio scapi 5 — 10 cm. longi apbyllo, 
pedicellis 1 — 3 cm. longis, filiformibus, flexilibus. Sepala 3 mm. longa, 
ovata, obtusa, glabra, rarius subglabra. Fetala 7—8 mm. longa, oblonga, 
apice rotundata, flava. Gynmceum 8 mm. iongum, stylo 1*5 mm. longo; 
fructus 2 cm. longus, 1*5 mm. latus, linearis, compressus, sparse albo- 
villosus, seminibus 4-^0, biseriatis. 
West of Tanka La, Sikkim, very sparingly at an elevation of 18,000 
ft., No. 4175. 
30. Cochlearia Linn. 
93. Cochlearia serpens W. W. Smith (Rec. Bot. Surv. Ind. iv, 
175). 
Cbangu, Sherabthang, Gnatong, 11 — 14,500 ft.. Nos. 3487, 3577, 
4311, 4551. Petals dark lilac. Very common at Cbangu. 
93. Cochlearia scapiflora H. f. & T. 
Cbangu, Cbola, Tosa, Cbakung Cbu, 13—15,000 ft., Nos. 8169, 
3229, 3685, 4069, 4552. 
VAR. foliis grosse obtuse dentatis, floribus albis; Tosa, 15,000 ft., 
No. 3981. 
The Cochlearice of the Alpine East Himalaya are very puzzling. In addition to 
t^he two above, there are C. JELobsoni Pearson from Yatung in Tibet, near the Sikkim 
border (Hook. Ic. 2643) and C. himalaica H. f. T. collected in Alpine Sikkim by 
Hooker. In their typical forms all four appear distinct enough but ai the higher 
altitudes the dwarf specimens become scarcely distinguishable. I hare been long in 
