356 
2. O. bipinnata, Hook.; Hook. et Bak. l. c. 426. Mt. Par 
above Taitam reservoir, Hongkong ; Long Harbour, us 
Bay, Hongkong New Territory. 
3. 0. regalis, Linan.; Hook. et Bak. 1. e. 427. On Mt. diu 
Mt. Gough and Mt. iio: but not common in Hon 
kong ; ; abundant on Maónshan, Hongkong New Packiory ; ; 
Lienchow River. 
33.—LYGODIUM. 
Key to species. 
1, Fully developed barren pinnules = 
1. dichotomum. 
ma 
F Ee developed "barren ^ pinnules pin- 
2. Pinmileg « once pinnate ... 2. scandens. 
Pinnules twice pinnate at the ase ; 3. 
3. Lamina of fertile segments much 
reduced hs E 4. japonicum. 
Lamina of fertile segments not reduced — 3. ero eene 
3 L. ates. Pesce Hoo ak. | Common on 
the south side of the island, TARDE ee ; at Shingmun, 
Hongkong New Territory ill near Chaochaufu. 
3. L. pinnatifidum, Swartz; Hook. et Bak. l; c. 438. Near 
Fanling, and between Hokun and ore City, Hong- 
kong New Territory ; near Yit-hai : 
4. L. japonicum, Swartz ; Hook et Bak. |. c. 439. Very common 
in the island, Hongkong ; near Shingmun, og New 
Territory ; Whampoa ; ; Macao ; Lofoush 
34.—ANGIOPTERIS. 
1, A. evecta, Hoffm.; Hook. et Bak. l. c. 440. Mt. Gough, Mt. 
Parker, and Sheko ravine, Hongkong. 
35.—OPHIOGLOSSUM 
Key to species. 
Rootstock slightly tuberous; sterile 
portion of frond lanceolate gradually 
narrow elow 1, japonicum, 
Rootstock not tuberous ; du portion 
of frond ovate ro ianded or sub- 
cordate below .. 2. pedunculosum. 
1. O. japonicum, Pranti; O. ) sli, Hook. et Bak. Syn. Fil. 445 
y). In the ravine south of Wanchai Gap, Hongkong. 
2. 0. ose. mae O reticulatum, Hook. et Bak. 1. c. 446 
sc A weed in flower pots in the poets Gardens, 
ongkong, and wild “above Victoria near the reservoir,’ 
