177 
2. E. buxifolia, Roxb. ; Clarke in Hook. f. Fl. Brit. Ind. iy. 144. 
Bare sandy hills near the fis hing village of Paksha in 
the extreme S. of the province. E w ite, May-—August. 
3. E. acuminata, A. Br.; Clarke 141. West of stream 
leading from Wongneichong Ga to Deepwater Bay, 
Hongkong ; Hoifung ; Macao; Lienchow River; West 
River. Fl. white, Ma ay. 
3.—TOURNEFORTIA. 
1. T. ovata, Wall.; Clarke l. c. 147. Cockscomb rocks, West 
Rive hx, white, May. 
4.—HELIOTROPIUM. 
Key to species. 
Leaves ovate eso l. indicum. 
Leaves small, linear-lanceolate - es 2. strigosum. 
l. H. indicum, Zinn.; Benth. Fl. Hongk. 235. Waste eem 
near the sea shore, eere hedges near Swatow 
Macao ; Pakhoi l. blue, April. 
2. dH Mig Willd. ; ioe in Hook. f. Fl. Brit. Ind. iv. 
151. Lantao Island, Hongkong New T erritory ; Pakhoi. 
Fl. white, Autum 
5.—THYROCARPUS. 
1. T. Sampsoni, Hance; Maxim. in Mél. Biol. viii. 562. Fields 
near Cha ochaufu ; Tingushan near Chao W. 
River ; Lienchow River; at the Filoitze monastery near 
Tsingyun, N. River. FI. blue or white, January— 
August 
6.—CY NOGLOSSUM. 
l. C. mieranthum, Desf.; Clarke in Hook. f. Fl. Brit. iv. 156. 
Swatow ; on a rubbish heap outside i north gate, Canton. 
Fl. white, August 
7.—EOTHRIOSPERMUM. 
1. B. tenellum, Fisch. ; Benth. Fi. Hongk. 235. A weed in paddy 
fields, "Hongkong ; ; Swatow ; Canton. Fl. white or blue, 
April. 
8.—LITHOSPERMUM. 
1. L. chinense, Hook. et Arn.; DC, Prodr. x. 80. Macao. 
Fl. yellow, — . 
21515 M 
