268 



2. Leaves 2 inclies long ... ... ... H. cristata. 



Leaves 4-6 inches long (with petiole) G. procera. 



3. Leaves 1 inch long ... ... ... G. Schlechtend- 



aliana. 

 Leaves 3-7 inches long ... ... 4. 



4. Leaves 3 inches long ; spikes lax ... G.foliosa. 

 Leaves 5-7 inches long; spike dense... G. nebularum. 



1. G. proeera, Hook. ; Benth. Fl. Hongk. 360. In damp places in 



the Happy Valley woods, and near Shaukiwan, Hongkong; 

 Lantao Island and Kanghau, Hongkong New Territory ; 

 stream near Chaochaufu ; ]Macao. Fl. white, April. 



2. G-. Schlechtendaliana, Reichb. f. ; G. secundiflora, Griff. ; Hook. 



f. Fl. Brit. Ind.vi. 113. Swatow. Fl. white, August. 



3. G. foliosa, Benth. ; Hook. f. 1. c. 113. Lofoushan. Fl. white, 



September. 



4. G. nebularum, Rolfe ; Gystorchis nebularum, Hance in Journ. 



Bot. 1883, 232. On the top of the Lofoushan Mts. Fl. 

 September. 



37.— HETAERIA. 



1. H. cristata, Blume, Coll. Orch. Archip. Ind. 103. Near 

 Sheko, Hongkong ; K>vangtung without locality. Fl. 

 white, August. 



38.— CRYPTOSTYLIS. 



1. C. Arachnites, Blume; Hook. f. Fl. Brit. Ind. vi. 118 



ravine behind Taihang village, Hongkong, 

 green, Jlarch. 



In the 

 Fl. pink and 



39.— POGONIA. 



Key to species. 



1. Leaves lanceolate ... ... ... 1. ophioglossoides. 



Leaves cordate or reniform ... ... 2. 



2. Leaves cordate 2. Fordii. 



Leaves reniform 3. pulchella. 



1. P. ophioglossoides, Ker in Bot. Reg", ii. t. 148. Lofoushan at 



2500 ft. Fl. pink, May. 



2. P. Fordii, Ha7ice in Journ. Bot. 1885, 247. Lofoushan. Fl. 



green with purple streaks, May. 



3. P. pulchella, Hook.f. in Bot. Mag. t. 6851. Little Hongkong 



and Taitam Tuk, Hongkong. Fl. yellow and pink. May. 



40.-^PERISTYLIIS. 

 Key to species. 



1. Leaves all radical or nearly so 

 Leaves aU cauline 



2. Leaves ovate or lanceolate, 



2 inches long 

 Leaves elliptic, 3-5 inches long 



under 



1. chloranthus. 



2. 



2. Sampsoni. 



3. goodyer aides. 



