118 MR. W. B. HEMSLEY ON TWO SMALL 
81. Microula Benthami, ©. B. Clarke; Hook. Ic. Plant. 
t. 2257.—Flowers white. Top of pass at 18,000 ft. 
Western Tibet at 15,C00 to 17,000 ft. 
82. Pedicularis alaschanica, M/avim., var. tibetica, Maxim.— 
Flowers yellow. Broad valley at 16,000 ft. 
Eastern Himalaya, Mongolia, and Western Kansuh. 
83. Pedicularis cheilanthifolia, Schrenk.—Flowers purplish 
white. Earthy water-logged soil in wide valleys at 17,000 ft. 
Himalayas, North Tibet, Soongaria, and Western Kansuh. 
84. Nepeta longibracteata, Benth.—Flowers blue. Stony 
soil in old water-course at 17,400 ft. 
Western Himalaya and Tibet at 14,000 to 17,000 ft. 
85. Dracocephalum heterophyllum, Benth.?— Flowers white. 
Hill-sides at 17,700 ft. 
This species inhabits Western Tibet and Turkestan at 13,000 
to 16,000 ft., and has also been found in Eastern Mongolia. 
86. Polygonum sibiricum, Zavm.—Flowers green.  Salt- 
impregnated soil near salt lake at 16,800 ft. 
Western Himalaya and Tibet to Western China, and north- 
ward into Arctic Siberia. 
87. Stellera Chamejasme, Linn.—F lowers green. Sandy 
valleys at 15,000 ft. 
Caucasus to the mountains of North India and Central Asia 
to Mongolia. 
88. Urtica hyperborea, Jacquem.—Flowers greenish white. 
Rocky hill, amongst stones at 16,200 ft. 
Eastern and Western Tibet at 12,000 to 17,500 ft. 
89. Ephedra Gerardiana, Wall.—F lowers yellow. Salt- 
impregnated soil close to salt lake, at 16,500 ft. 
This is united with ZL. vulgaris, Rich., in the ‘ Flora of British 
India, which thus limited extends from Europe to the moun- 
tains of North India and Central‘Asia. 
90. Iris (§$ Apogon) Thoroldi, Baker. 
Ad I. humilem, Bieb., magis accedit: differt caulibus dense 
cespitosis, foliorum vetustorum reliquis copiosis valide fibrosis, 
