256 



2.— CEPkALOTAXUS. 



1. C. Portunei, Hook. ; DC. Prodr. xv'i, ii. 503. Near Phoenix 

 Mt., Swatow. Fl. April. 



3.— PODOOARPUS. 



Key to species. 



1. Two white lines on underside of leaves 1. argotaenia. 

 Leaves green ... ... ... ... 2. 



2. Leaves gradually attenuate, acuminate 2. neriifolia. 

 Leaves shortly attenuate, acute ... 3. cMnensis. 



1. P. argotaenia, Hance m Journ. Bot. 1883, 357. Mt. Parker, 



Hongkong ; Lantao Island and Taimoshan, Hongkong 

 New Territory ; near Phoenix Mt., Swatow ; Lofoushan. 

 Fl. April. 



2. P. neriifolia, D. Don ; Hook. f. Fl. Brit. Ind. v. 649. Victoria 



Peak, Hongkong. Fl. . 



3. P. chinensis, Wall. ; DC. Prodr. xvi. ii. 516. Hoktsui and 



Mt. Victoria, Hongkong. Fl. . 



4.— OUNNINGHAMIA. 



1. C. sinensis, R. Br. ; Benth. Fl. Hongk. 337. In the Happy 

 Valley and Chaiwan, Hongkong; frequent in the Hongkong 

 New Territory ; hill near Chaochaufu ; Macao. Fl. April. 



5.— PINUS. 



1. P. Massoniana, Lambert ; P. sinensis, Benth. Fl. Hongk. 337. 

 In the Happy Valley woods, and largely planted, Hong- 

 kong ; frequent in the Hongkong New Territory ; hills 

 near Chaochaufu. Fl. yellow, March. 



CYCADACEAE. 



l.-OYCAS. 



Key to species. 



1. Leaf segments flat 1. taiwaniana. 



Leaf segments revolute ... ... 2. 



2. Leaflets reduced to spines below ... 2. revoluta. 

 Leaflets reduced to teeth below ... 3. Rumphii. 



1. C. taiwaniana, Carruthers in Journ. Bot. 1893, 2. Swatow ; 



Lofoushan. Fl. March. 



2. C. revoluta, Thunb. ; DC. Prodr. xvi. ii. 526. Swatow. Fl. — . 



3. C. Rumphii, Miq. ; Dyer in Hook, f . Fl. Brit. Ind. v. 657. 



Swatow. Fl. . 



