CRAIB—DIDISSANDRA AND ALLIED: GENERA. 267 
in shady situations. Plant of 4-7 inches, Flowers deep orange. 
G. Forrest, 12,943! Fl. et Fr. Aug: I9I4, 
? Mekong-Salwin divide. Lat. 28° 10’ N. Alt. 10,000 ft. 
On trees and rocks in shady situations. Plant of 3-5 inches, 
G. Forrest, 13,445! Fr; Oct. LQl4. 
Yunnan. G. Forrest, 16,634! Fl. et Fr. July 1918. 
4. A. convexum, Craib in Notes Roy. Bot. Gard. Edin. , xi, p.235 
(1919). 
Didymocarpus aurea, Diels in Notes Roy. Bot. Gard. Edin., 
vil, p. 271, non Roettlera aurea, Franchet. 
Yunnan. Eastern flank of the Tali Range, g000—-10,000 ft. 
Lat. 25° 40’ N. On humus-covered boulders and trees. Plant 
of 4-8 inches. Flowers deep ruddy orange. G. Forrest, 7105 ! 
Fl. July 1910. 4803! FI. June-July rg06. 15,483! Fl. et Fr. 
Aug. 1917. 15,930! Fl. Aug.-Sept. 1917. 
Shweli-Salwin divide. Lat. 25° 30’ N. G. Forrest, 17,623! 
Fl. et Fr. July ro18. 
aor? 
5. A. Mairei, Craib, comb. nov. 
9 2,45 Didymocarpus Mairet, Lévl. in feade Rep. Nov. Sp., xi, 301 
(1912) ; id., Cat. Pl. Yunnan, p. 123. 
Yunnan. Ma hong, 3000 m., E. E. Maire! FI. July. 
Isometrum, Craib. 
Filaments glabrous : é ; é : 1. Farrer, 
Filaments with glandular hairs . : : : . 2. glandulosa. 
1. I. Farreri, Craib in Notes Roy. Bot. Gard. Edin., xi, p. 250 
(1919) 
Oreocharis Henryana, Farrer in Journ. Roy. Hort. Soc., xlii, 
87 (1916), non Oliver. 
S. Kansu. Very general at low elevations on rather cool rocks 
and very steep banks of cool clammy soil that grows a fine film 
of moss. Flowers a pretty shrimpy pink with a bronzy tone. 
Farrer et Purdom, 262! Fl. Aug. 28 
: ey I. glandulosa, Craib, comb. nov. 
qo? Didissandra glandulosa, Batalin in Act. Hort. Petrop., xii, 
175 (1892). 
N. Szechuan. Potanin. Fl. 17th Aug. 1885. 
I have seen no specimens of Batalin’s Szechuan species, but 
