353 



24.— NOTHOOHLAENA. 



1. N. hirsuta, Desv. ; Hook, et Bak, 1. c. 372. Aberdeen, Sheko, 

 and abundantly elsewhere on the south side of the island, 

 Hongkong ; common in the Hongkong New Territory ; 

 on the bank of the Han Eiver, Swatow. 



25.— GYMNOGRAMME. 



Key to species. 



1. Fronds simple, entire or nearly so ... 2. 

 Fronds once or more pinnatifid ... 5. 



2. Fronds dimorphic 6. cantonensis. 



Fronds not dimorphic ... ... ... 3. 



3. Fronds under 1 inch broad, thick ... 2. lanceolata. 

 Fronds 1-^ inch broad or more, papery 4. 



4. Fronds li inch broad 3. membranacea. 



Fronds 2 inches broad or more ... 6. 



5. Fronds once pinnatifid ... ... 7. elliptica. 



Fronds tripinnatifid ... ... ... 1. opacd. 



6. Fronds suddenly narrowed half way 



down ... ... ... ,.. 4. Wrightii. 



Fronds gradually narrowed into stalk 5. macrophylla. 



1. G.opaca,»S'/irew^.; Hook. etJBak.Syh.FiI. 378. Lienchow River. 



2. G. lanceolata, Hook. ; Hook, et Bak. 1. c. 387. Lantao, Hong- 



kong New Territory ; Lofoushan at 900 ft. 



3. G. membranacea. Hook. ; Hook, et Bak. 1. c. 388. Little 



Hongkong, Hongkong. 



4. G. Wrightii, Hook, in Hook, et Bak. 1. c. 388. Shady ravine 



on Taimoshan, Hongkong New Territory. 



5. G. macrophylla. Hook.; Hook, et Bak. 1. c. 388. Taimoshan, 



Hongkong New Territory ; near Yit-hai, Swatow ; 

 Lienchow River. 



6. G. cantoniensis, Bak. in Hook. Ic. PI. t. 1685, Lienchow 



River ; North River. 



7. G. elliptica, Bak. ; Hook, et Bak. 1. c. 389. Common in 



ravines on Mt. Parker, Mt. Victoria, Little Hongkong and 

 Happy Valley woods, Hongkong ; Maonshan, Hongkong 

 New Territory ; Lienchow River ; Lofoushan. 



26.— BRAINEA. 



1. B. insignia, Hook. ; Hook et Bak. 1. c. 390. Victoria Peak, 

 Mt. Gough, Mt. Nicholson and elsewhere on exposed hiUs, 

 Hongkong ; Lantao Island and hills north of Kowloon 

 City, Hongkong New Territory. 



27.— MBNISCIUM. 



Key to species. 



1. Fronds simple 1. simplex. 



Fronds pinnate... ... ... ... 2. 



21515 2 



