99 



6.— ITEA. 



1. I. chinensis, Hook, et Am. ; Benth. Fl. Hongk. 129. In the 

 Happy Valley woods, on Mt. Gough and other places, 

 Hongkong ; Lantao Island, Hongkong New -Territory ; 

 hill near Chaochaufu. Fl. white, April. 



CRASSULACEAE. 



Key to genera. 



1. Leaves membranous ... ... ... 4. Penthorum. 



Leaves fleshy ... ... ... ... 2. 



2. Calyx 4-toothed ... ... ... 1. Bryophyllum. 



Sepals distinct ... ... ... ... 3. 



3. Petals distinct ... ... ... ... 3. Sedum. 



Petals united ... ... ... ... 2. Kalanchoe. 



1 .—BRYOPHYLLUM. 



L B. calyoinum, Salisb. ; Benth. Fl. Hongk. 127. Common in 

 waste places, Hongkong ; at Yit-hai, Swatow ; Pakhoi. 

 Fl. green tinged with reddish-yellow, January. 



S.— KALANCHOE. 



Key to species. 



Leaves ovate, crenate ... ... ... 1. spathulata. 



Leaves laciniate ... ... ... 2. laciniata. 



1. K. spathulata, DC. ; Clarke in Hook. f. Fl. Brit. lad. ii. 414. 



Near Hoktsui on the beach, Hongkong ; Suheang, nr. 

 Hongkong on Canton River. Fl. yellow, December. 



2. K. laciniata, DC. ; Clarke 1. c. 415. Cultivated in Hongkong. 



Fl. yellow, March. 



1. S. sarmentosum, Bunge ; Maxim, in Mel. Biol. xi. 764. 



Growing on the banks of streams on the Phoenix Mt., 

 Swatow. Fl. yellow, April. 



2. S. chrysastrum, Hance in Journ. Bot. 1870, 6. In hedges near 



Chaochaufu ; West River. Fl. yellow, April. 



3. S. japonicum, Sieb. ; Maxim, in Mel. Biol. xi. 759. At 



Kwaisin, Hoifung ; North River. Fl. pale yellow. May. 



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