D Y 
e E 
m 
946 
A. laserpitiifolium, Mett. ; Hook. et Bak. 1. c. 254. Lofoushan. 
. A. varium, Swartz ; Ho ok. et Bak.']. c. 254. Mt. Gough, Mt. 
Victoria, and vise iius Hongkong ; Lantao Island, 
Shingmun, Pakmong and elsewhere, Hongkong New 
Territory ; hill near Chaochaufu ; Lienchow River. 
A. aristatum, Swartz; Hook. et Bak. l c. 255. appy 
Valley woods, Little Hongkong and Mt. Nicholson, 
Hongkong ; Mirs Bay, Hongkong New Territory ; river 
i. near Chaochaufu. 
A. Js sero Swartz ; H dbk, et Bak. l. c. 257. Near Taitam 
Ba Tailungwan, Hongkong ; Waglan Island, Hong- 
kong New Territory : ; top of the Phoenix Mt., Swatow ; 
. Riv 
A. Melia. Hook. ; Hook. et Bak. 1. c. 259. Hongkong 
eea locality ; Lienchow River ; North River; West 
Riv 
20.—NEPHRODIUM. 
Key to species. 
1. Fronds pinnatifid ips ies 2. 
` Fronds once or more pinnate a fi 3. 
2. Pinnae ł to 2 inches long ... e. 1, decursivopinna- 
um. 
Pinnae 6 inches long or more. -. 28. decurrens. 
3. Fronds once pinna : 
Fronds more than once , pinnate ‘at least 
at the base .. ae See 18. 
Pinnae lobed or pinnatifid s ems 5. 
Pinnae serrate or crenate — ... aes 11. 
Pinnae sage pinnatifid 6. 
Pinnae cut halfway down to the rachis der. 
Veinlets forked p 8. Thelypteris. 
Veinlets never forked . nies ash vet ci 
Lobes oblong, en i -. 4, gracilescens. 
Lobes lanceolate, ae 5. repentulum. 
sod veinlets of a a f groups 
9. 
Lows veinlets of contiguous groups 
uni 10. 
9. Pinnae 4 to 8 ‘inches long; :  veinlets 
10 to 15 on each side 7. prolixum, 
Pinnae 2 to 4 inches long ; ; " veinlets 
3 to 6 on each side - 6. calcaratum. 
10. Pinnae abruptly reduced below «+» 25. heterocarpon. 
Lower pinnae rather shorter than the 
others 24. molle. 
ll. Pinnae serrate ; 5 veinlets of contiguous 
kos 13. 
groups unit 
Pinnae crenate (some entire) ; ; veinlets 
of contiguous groups € m 12. 
