243; 



a.^OELTIS.- . 



Key to species. 



Leaves serrate above . ,, ... ... 1. sinensis. 



Leaves quite entire ... ... ... 2. philippinensis. 



1. C. sinensis, Pers. ; Benth. Fl. Hongk. 324. Common in the 



island, Hongkong ; Swatow ; Macao ; Lienchow River ; 

 Lofoushan. Fl. green, March. 



2. 0. philippinensis, Blanco ; Benth. 1. c. 324. In the Happy 



Valley woods, and at Little Hongkong, Hongkong ; 

 Macao. Fl. April. 



3.— TREMA. 



Key to species. 



Leaves softly villous beneath ... ... 1. amhoinensis. 



Leaves nearly glabrous ... ... 2. timorensis. 



1. T. amboiensis, Blume ; Sponia velutina. Planch. ; Benth. Fl. 



Hongk. 324. On the edges of woods, Hongkong ; hills 

 near Chaochaufu ; Macao. Fl. July. 



2. T. timorensis, Blume ; Hook. f. Fl. Brit. Ind. v. 483. North 



River ; Lofoushan. Fl. May. 



4.— GIRONNIERA. 



Key to species. 



Leaves rough beneath .. . ... ... 1. suhaequalis. 



Leaves smooth beneath ... ... 2. nitida. 



1. G. subaequalis. Planch. ; G. chinensis, Benth. Fl. Hongk. 325. 



Above Pokfulam reservoir and in a ravine of Mt. Gough, 

 Hongkong ; in a wood at Taiwai, Hongkong New Terri- 

 tory ; North River. Fl. March. 



2. G. nitidi, Benth. 1. c. 325. In the Happy Valley woods, Hong- 



kong ; Lantao Island, Hongkong New Territory ; Sanning. 

 Fl. April. 



5.— HUMULUS. 



Key to species. 



Upper leaves ovate ... ... ... 1. Lupulus. 



Upper leaves palmately lobed ... 2. japonicus. 



1. H. Lupulus, Linn. ; DC. Prodr. xvi. I. 29. Lienchow River. 



Fl. October. 



2. H. japonicus, Sieb. et Zucc. ; DC. 1. c. 29. Common roadside 



weed. Canton ; Lienchow River. Fl. August. 



6.— CANNABIS. 



1. C. sativa, Linn. ; Hook. f. Fl. Brit. Ind. v. 487. Weed in 

 Blake Garden, Hongkong ; Lekun, Hongkong New 

 Territory, cultivated ; West River, cultivated. Fl. 



green,^May. • 



1515 Q 2 



