402 MR, F. N. WILLIAMS ON 
Pun-ka-bee-see-mo, 1884 (King's collector, “Fl. of Chumbi,? n. 24); 
Khamba Fort, 1903 (Col. Prain, n. 1162, n. 1169, n. 1206) : Naku Pass, 
n. 285 (Col. Younghusband, 1903). i 
Var. MICRANTHA, Williams. 
Folia elliptico-oblonga. Flores minores quam in typo. Sepala obtusa, 
margine distincte scariosa, vix glandulosa. 
With somewhat the facies of A. ciliolata. 
Mee-rik Pass, 1884 (King’s collector, n. 628). 
Var. CERNUA, Williams. 
Folia elliptica acuta, in caule pauciora. Flores majores quam in typo, in 
pedicellis tenuioribus suffulti. Sepala paullum latiora, angustius scarioso- 
marginata, minus glandulosa. 
Bears the same relation to the type as does A. ciliolata var. pendula, 
Duthie, to the type of this species. 
Tibet, without locality, 1884 (King’s collector, п. 333); Naku Pass, 1903 
(Col. Younghusband, n. 172). 
27. ARENARIA YUNNANENSIS, Franch., in Bull. Sov. Bot. France, xxxiii. 
(1886) p. 431. 
Due-tang, 18 miles north-west of Chumbi, n. 1133 (Dungboo, 1818) ; 
Shand-hu near Phari, n. 1129, and Chumbi district, n. 1134 (King's 
collector, 1882). 
These specimens exactly agree with Franchet’s authentic specimens in 
Herb. Кез. 
Forma angustifolia.—Folia inferiora breviter petiolata anguste lanceolata, 
superiora sessilia oblonga. 
Do-tho in Chumbi district, n. 1128 (Dungboo, 1879). 
25. ARENARIA CERASTIIFORMIS, sp. п. (Subg. Macrogyne.) 
Nana, perennis, 7-8 em, Radix longa. Caules basi ramosi, ramis foliosis 
unifloris teretibus, bifariam scabro-puberulis. Folia 8-10 mm., crassiuscula 
elliptica uninervia, nervo modice prominente, basi laxe connata, margine 
scabro-puberula. Sepala basi saccata, lanceolato-linearia hispidula vix 
aeuta, haud scarioso-marginata, margine glanduloso-ciliolata. Petala 1 em., 
alba (vel pallide rosea in specim. nonnullis), calyce duplo longiora, e basi 
euneatá distincte unguieulatà oblonga. Filamenta subulata ciliolata. 
Styli 2. 
An Arenaria with the facies of Cerastium, closely allied to A. longistyla, 
Franch., and, like it, found at high altitudes. 
Phari, 1877 (King, n. 4588, Dungboo, n. 4588 bis), 1879 (Dungboo, 
n. 1147) ; Mee-rik Pass, Chumbi district, 1884 (King's collector, n. 1207) 
Giagong, 1903, at 4500 m. (Col. Younghusband, n. 1160). 
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