289 



7— ALOCASIA. 



Key to species. 



Leaves semicircular ... ... ... 1. cucullata. 



Leaves ovate, cordate or sagittate ... 2. macrorrhiza. 



1. A. cucullata, Schott ; Hook. f. 1. c. 525. Canton. Fl. greenish 



yellow, . 



2. A. macrorrhiza, Schott ; Colocasia odora, Benth. Fl. Hongk. 



343. In the Happy Valley woods, and shady ravines, 

 Hongkong ; Lamma Island, Hongkong New Territory ; 

 Macao. Fl. pale yellow, March. 



8.— LASIA. 



1. L. heterophylla, Schott ; Hook. f. 1. c. 550. Taimoshan, and 

 Cheung Hue Island, Hongkong New Territory. Fl. claret- 

 coloured, April. 



9.— RAPHIDOPHORA. 



1. R. angustifolia, Schott ; R. Peepla, Benth. Fl. Hongk. 344. 

 Trailing over rocks near the Buddhist Temple, Causeway 

 Bay, Hongkong ; on rocks at Maonshan, Hongkong New 

 Territory. Fl. cream coloured, . 



10.— EPIPREMNUM. 



1. E. mirabile, Schott ; Hook. f. Fl. Brit. Ind. vi. 549. On trees 

 near Fanling, Hongkong New Territory ; climbing over 

 rocks near Whampoa ; Lienfashan, on the banks of the 

 Canton River. Fl. green, May^ 



11.— POTHOS. 



Key to species. 



Petioles winged... .., ... ... 1. Seemanni. 



Leaves sessile ... ... ... ... 2. Loureiri. 



1. P. Seemanni, Schott ; P. scandens, Benth. Fl. Hongk. 344._ 



Common in ravines creeping over rocks, Hongkong ; 

 Lantao Island, Taimoshan, and Maonshan, Hongkong New 

 Territory ; Macao ; Lienchow River ; Lofoushan. Fl. 

 January — March. 



2. P. Loureiri, Hook, et Am. ; Engl, in DC. Monogr. Phan. ii. 



87. Tingushan on the West River. Fl. May. 



12.— AOORUS. 



1. A. gramineus. Ait. ; A, Calamus, Lour. ; Benth. Fl. Hongk. 

 345. Common in watercourses, Hongkong ; Hahang, 

 Hongkong New Territory ; Lienchow River ; West River. 

 Fl. yellow, April, 



21515 T 



