345 



30. A. Petersenii, Christ ; A. lasiopteris, Mett. ; Hook, et Bak. I. c. 



235. Canton. 



31. A. Oldhami, Hance ; A.japonicum,Yar. Oldhami, Hook, et Bak. 



1. c. 235. Taimoshan, Hongkong New Territory. 



32. A. chinense, Bak. in Hook, et Bak. 1. c. 237. Canton. 



33. A. maximum, Don ; Hook, et Bak. 1. c. 239. Mt. Parker, 



Hongkong ; Taimoshan, Hongkong New Territbry ; shady 

 bed of stream near N. River. 



34. A. latifolium, Don ; Hook, et Bak. 1. c. 239. Among boulders 



Mt. Parker, Hongkong ; Lantao Island and Taimoshan, 

 Hongkong New Territory ; N. Eiver. 



35. A. nudicaule, Copel. in Philipp. Journ. Sci. Bot. iii. 278. 



Lienchow River. 



36. A. esculentum, Presl ; Hook, et Bak. 1. c. 244. Near streams 



at Little Hongkong, Hongkong ; at the foot of Taimoshan, 

 Hongkong New Territory ; Lienchow River ; bamboo 

 groves at Taimiu, N. River, 



19.— ASPIDIUM. 



Key to species. 



1. Fronds pinnatifid or pinnate at the base 



only ... ... ... ... 1. basipinnatum. 



Fronds once or more pinnate ... ... 2. 



2. Fronds once pinnate .. ... ... 3. 



Fronds more than once pinnate ... 4. 



3. Pinnae 2 to 3 inches long 7. falcatum. 



Pinnae i to 1-^ inches long ... ... 2. auriculatum. 



4. Fronds tri- or quadripinnatifid at the 



base ... ... ... ... 6. 



Fronds bipinnatifid at the base ... 5. 



5. Stipes more or less scaly throughout... 3. aculeatum. 

 Stipes polished, scaly at the base only 4. amabile. 



6. Veins anastomosing copiously... ... 9. membranaceum. 



Veins all free ... ... ... ... 7. 



7. Ultimate pinnules not serrated ... 6. varium. 

 Ultimate pinnules serrated ... ... 8, 



8. Ultimate pinnules awned ... ... 7. aristatum. 



Ultimate pinnules not awned ... ... 5. laser pitiifolium. 



1. A. basipinnatum, Bak. in Journ. Bot. 1889, 176. On the 



north side of Mt. Nicholson amoung loose stones, Hong- 

 kong ; Tangha on the North River ; Paksa on the West 

 River ; N. W. River. 



2. A. auriculatum, Swartz ; Hook, et Bak. Syn. Fil. 251. Lantao 



Island, Taimoshan and Maonshan, Hongkong New Terri- 

 tory ; Hoifung ; Lienchow River ; Lofoushan. 



3. A. aculeatum, Swartz ; Hook, et Bak. 1. c. 252. Lantao 



Island and Taimoshan, Hongkong New Territory ; summit 

 of Maushan Mt. at 2400 ft., near Ookaisa. 



4. A. amabile, Blume ; Hook, et Bak. 1. c. 254. Village of 



Sungtong, N.W. from Hongkong ; Lienchow River ; 

 North River, 



