182 



9.— OUSCUTA. 



Key to species. 



Fruit ovoid, much longer than calyx ... 1. jupuiiicu. 

 Fruit depressed-globular 2. chinensis. 



1. C. japonica, Choisy; Benth. Fl. Hongk. 241. On Victoria 



Peak, East Point and Little Hongkong, Hongkong. Fl. 

 white, November. 



2. C. ehinensis, Lam. ; Clarke in Hook. f. Fl. Brit. Ind. iv. 226. 



Pingchau Island, Hongkong New Territory ; Canton. 

 Fl. white, August. 



SOLANACEAE. 



Key to genera. 



1. Filaments very short ... 

 Filaments elongated, filiform ... 



2. Corolla less than 1 inch across 

 Corolla more than 2 inches across 



3. Shrub ... 



Herb 



4. Flower funnel-shaped ... 

 Flower salver-shaped ... 



1.— SOLANUM. 

 Key to species. 



1. Plant armed with thorns 

 Plant unarmed ... 



2. Anthers not more than 2 lines long ... 

 Anthers over 7 lines long 



3. Flowers all fertile 



Fertile flowers solitary in each raceme 



4. Corolla lobes broad, triangular 

 Corolla lobes lanceolate 



5. Berry glabrous ... 

 Berry hairy 



6. Cymes much shorter than the leaves ... 

 Cymes much longer than the leaves ... 



7. Flowers axillary, solitary or fascicled 

 Flowers in stalked umbels or cymes ... 



8. Leaves woolly ... 



Leaves glabrous or subglabrous 



9. Leaves cordate ; stem climbing 

 Leaves lanceolate ; stem erect 



10. Leaves nearly glabrous 

 Leaves woolly below ... 



1. 



3. 

 2. 

 4. 

 5. 



Solunum. 



2. 



3. 



4. 

 Lycium. 

 Physalis. 

 Datura. 

 Nicotiana. 



t . 



10. 



4. 



1. indicum. 



2. incanum. 



3. Wriglitli. 



5. 

 6. 



4. ferox. 



5. torvum. 



6. liainancnse. 



7. bifiorum. 



8. 



8. verbascifolium, 



9. 



9. Dulcamara. 



10. nigrum. 



11. aculeatissimum. 



3. 



1. S. indicum, Linn. ; Benth. Fl. Hongk. 242. At East Point, 



in waste places, Hongkong ; Hoifung. Fl. blue, Jvme. 



2. S. incanum, Linn. ; S. sanctum, Linn. ; Benth. 1. c. 243. Hong- 



kong without locality ; Pakhoi. Fl. blue, May. 



