74 FORREST—GENTIANACE: 
Gentiana (Frigida) yunnanensis, Franchet, in Bull. Soc. Bot., 
France, xxxi. (1884), p. 376; Forbes and Hemsley, in Journ. 
Linn. Soc., xxvi. (1890), p. 138; Kusnezow, in Acta Horti 
Petropol., xv. (1898), p. 285. 
“On the descent to the Chung Tien plateau from Niu Chang 
Pass. Elevation 12,600-14,000 feet. More often in cultivated 
places than others. Flowers white. Yunnan, 1904.” G. Forrest. 
No. 407. . 
Seems to be a variable plant in its flowers, particularly in the 
calyx. 
Another specimen—“ Chung Tien plateau. Elevation, 12- 
13,000 feet. Dry pasture land. Flowers blue. Yunnan, Sept. 1904.” 
G. Forrest. No. 30,—seems to be the same as Pratt’s No. 470 from 
Yunnan and may be a form of this species. 
Gentiana ee phyllocalyx, Clarke (1883); ; Forbes and 
Hem in Journ. Linn. Soc., xxvi. (1890), p. 131; 
Spinetti’ in Acta Horti Petropol., xv. (1898), p. 288. 
“Barren grassland edge of cane-brakes near summit of Kari 
pass. Alt. 15,000 feet. Tibet, 1904.” G. Forrest. No. 4o1. 
‘‘Mekong-Salwen divide behind Tzekou Mission. Tibet, 1904.” 
G. Forrest. No. 402. 
Gentiana (Isomeria) Delavayi, Franchet, in Bull. Soc. Bot., 
rance, xxxi. (1884), p. 377; Forbes and Hemsley, in Journ. 
Linn. Soc., xxvi. (1890), p. 126; Kusnezow, in Acta Horti 
Petropol., xv. (1904), p. 343. 
“Dry stony hillsides, Chien Chuan valley. Alt. 8—-gooo feet. 
Yunnan, 1904.” G. Forrest. No. 309 
Gentiana (Chondrophylla) scariosa, Balf. fil. et. G. Forrest. 
Sp. nov. Plate xv 
Annua glauca pumila gracilis, 5-6 cm. alta, caulibus a basi 
ramosissimis ramis erecto-fasciculatis dense imbricato-foliatis. 
Folia rosulata brevia 5-7 mm. longa, oblonga acuminata rigida 
margine hyalina; caulinia 1-5 cm. longa basi connata adpresso- 
erecta subulata plus minusve scaberula trinervia nervo medio 
subtus prominulo, margine late membranaceo, apice triquetro 
aristulato; folia superiora calycis basim involucrantia. Flores 
solitarii sessiles. Calyx 2 cm. longus corolla brevior, lobis erectis 
8 mm. longis binerviis acuminatis aristulatis tubo paullo breviori- 
