338 



3. L. ensifolia, Swartz ; Hook, et Bak. 1. c. 112. Very common, 



in similar situations to the last, in Hongkong ; hills above 

 Kowloon reservoir, Hongkong New Territory ; hills near 

 Chaochaufu ; Lofoushan. 



4. L. heterophylla, Dry. ; Hook, et Bak. 1. c. 112. In woods and 



shady places, Hongkong ; on hills above Kowloon 

 reservoir, Hongkong New Territory. 



9.— ADIANTUM. 



3. 



Key to species. 



1. Fronds once pinnate 

 Fronds twice pinnate or 



branched . . . 



2, Pinnae dimidiate 

 Pinnae not dimidiate 



Pinnae glabrous 



dichotomously 



Pinnae villous ... 



4. Pinnae cuneate, alternate 



Pinnae suborbicular, opposite or 

 subopposite 



5. Fronds dichotomously branched 

 Fronds twice pinnate ... 



2. 



5. 

 3. 



4. 



1. lunulatum. 



4. caudatum. 



2. Gravesii. 



3. Capillus-Junonis, 

 6. Jlabellulatum. 



5. Capillus- Veneris. 



1. A. lunulatum, Burm.; Hook, et Bak. Syn. Fil. 114. At 



Aberdeen, Little Hongkong, and elsewhere, Hongkong ; 

 near Kowloon City, Mirs Bay, and Chinwan, Hongkong 

 New Territory ; Lofoushan. 



2. A. Gravesii, Hance in Journ. Bot. 1875, 197. Limestone rocks 



along' the Lienchow River ; on rocks at Piklok on the 

 North River. 



3. A. Capillus-Junonis, Rupr. ; Hook, et Bak. 1. c. 114. City 



Wall, Canton ; Lienchow River ; Filoitze North River ; 

 N.W. River. 



4. A. caudatum, Linn.; Hook, et Bak. 1. c. 115. On a shady 



bank Robinson Road, Causeway Bay, Little Hongkong, 

 and Happy Valley, Hongkong ; Sungwongtoi hUl near 

 Kowloon City, Lantao Island, and Mirs Bay, Hongkong 

 New Territory ; Lienchow River ; banks near the sea, 

 Wongyu. 



5. A. Capillus-Veneris, Linn. ; Hook, et Bak. 1. c. 123. In a 



ravine on the north face of Mt. Gough, Hongkong ; Lien- 

 chow River ; North River. 



6. A. fabellulatum, Linn. ; Hook, et Bak. 1. c. 126. Common in 



Hongkong ; hills above Kowloon reservoir, Hongkong 

 New Territory; Swatow; Pakhoi; Lofoushan ; Whampoa; 

 Macao. 



1 0.— OHEIL ANTHES. 

 Key to species. 



1. Fronds glabrous 

 Under surface of 

 white powder 



fronds covered with 



