81 



21.— LESPEDBZA. 



Key to species. 



1. Stipules and bracts broad, persistent ; 



small, procumbent shrub ... 

 Stipules and bracts small 



2. Leaflets narrow, cuneate, truncate 

 Leaflets ovate ... 



3. Racemes shorter than leaves ... 

 Racemes longer than leaves . . . 



4. Calyx segments linear ... 

 Calyx segments ovate ... 



5. Calyx ^-shorter than sessile pod 

 Calyx ^-shorter than stipitate pod 



1. L. striata, Hook, et Am.; Benth. Fl. Hongk. 85. Wongnei- 



ckong, Hongkong ; Canton ; Macao. Fl. dark purple, 

 September. 



2. L. juncea, Pers. ; L. cuneata, G. Don ; Benth. 1. c. Shaukiwan, 



Hongkong ; Castle Peak, Hongkong New Territory ; 

 Lintin Island, near Hongkong ; common on low hills near 

 Canton ; Lienchow River. Fl. pink-purple, August. 



3. L. cyclobotrya, Miq. in Ann. Mus. Bot. Lugd. Bat. i. 48. 



Pengchau Island, Hongkong New Territory ; Swatow ; 

 Lienchow River. Fl. red. Autumn. 



4. L. chinensis, G. Don ; Maxim, in Acta Hort. Petrop. ii. 367. 



Macao. Fl. , May-October. 



5. L. macrocarpa, Bunge; Maxim. I.e. 351. Lienchow River. 



Fl. white, August. 



6. L. viatorum, Champ. ; Benth, Fl. Hongk. 86. Common on 



roadsides on the south side of the island, Hongkong ; 

 Taimoshan, Hongkong New Territory ; Lofoushan. 

 Fl. purple, October, November. 



22.— OIOER. 



1. C. arietinum, Linn. ; Baker in Hook. f. Fl. Brit. Ind. ii. 176. 

 Kowloon opposite Hongkong, Fl. , April, 



1. hirsuta, 



2, 



2. tetrasperma. 



3. sativa. 



23.— VIOIA. 



Key to species, 



1. Ovules 2 



Ovules 4 or more 



2, Ovules 4 



Ovules more than 4 



1. V. hirsuta, Koch ; Emum hirsutum, Linn. ; DC. Prodr. ii. 366. 



On Victoria Peak and at East Point, Hongkong, Fl. 

 white, March. 



2. V. tetrasperma, Moench ; Baker in Hook, f . Fl. Brit. Ind. ii, 



177, In fields near Chaochaufu. Fl, blue, April. 

 -3. v. sativa, Linn.; DC. Prodr. ii. 360. On waste ground at 

 East Point, Hongkong; Swatow. Fl. reddish-blue, April. 



21515 F 



