COLLECTIONS OF DRIED PLANTS FROM TIBET. 117 
71. Primula tibetica, Watt.—Flowers purple. Close to water 
at 16,200 ft. 
Western Tibet north of Kumaon at 15,500 ft., and Eastern 
Tibet on the Sikkim frontier at 16,000 to 17,000 ft. 
72. Androsace Chamajasme, Host, var. coronata, Hook. fil.— 
Flowers white with yellow centre. Sandy gravelly soil in sheltered 
spots near water at 17,500 ft. 
This variety had previously been collected in Western Tibet 
at altitudes of 16,000 to 17,000 ft. The species ranges all round 
the northern hemisphere in cold regions. 
73. Glaux maritima, Zinn.—At 16,200 ft. 
North temperate and arctic regions in both hemispheres. 
74. Gentiana falcata, Turcz.— Flowers blue. Marsh at 15,000 ft. 
Siberia, in the Altai and Baical mountains. 
75. Gentiana squarrosa, Ledeb.—F lowers blue. Banks of dry 
rivulet on hill-side at 17,200 ft. 
Alpine Himalaya, Dahuria, and Siberia to North China. 
76. Gentiana decumbens, Zinn.—Flowers greenish white. 
Sandy soil near water at 15,400 ft. 
Baltistan eastward to Lahul and through Siberia to Dahuria 
and Mongolia, 
77. Gentiana humilis, Stev.—Flowers whitish blue. Close to 
water at 16,200 ft. 
Caucasus to North India, Eastern Siberia, and Dahuria. 
78. Pleurogyne diffusa, MJazvim.—Flowers blue. Hill-side 
close to water at 16,800 ft. ; 
North Tibet, on the northern declivity of the Burchan Budda 
chain, in thickets of Myricaria at 10,200 ft. 
79. Swertia, sp—*S. Davidii, Franch., affinis.—F lowers blue. 
Valleys at 15,000 ft. 
80. Tretocarya pratensis, Maxrim.—Flowers blue. Earthy 
stony soil close to streams at 18,000 ft. 
Western Kansuh at 10,000 ft. 
