70 



CONNABACBAE. 



1.— ROUREA. 



Key to species. 



Leaves 2-3 inches long \. Millettii. 



Leaves under 1 inch long 2. microphylla. 



1. R. Millettii, Planoh. ; R. santaloides, Benth. Fl. Hongk. 71. 



Near Wanchai and Little Hongkong, Hongkong ; 

 Lienchow River. Fl. white, June. 



2. a. microphylla, Planch. ; Benth. 1. c. Abundant on the 



mountains, Hongkong ; Canton ; Ookaisa ; Lofoushan. 

 Fl. white, June. 



LBGUMINOSAE. 



Key to genera. 



1. Leaves trifoliate, pinnate or bipinnate 

 Leaves simple, 2-lobed or 2-foliate ... 



2. Leaves trifoliate 

 Leaves pinnate or bipinnate 



3. Leaves pinnate... 

 Leaves bipinnate 



4. Leaves simple ... 

 Leaves 2-lobed or 2-i'oliate 



5. Pods articulate 

 Pods continuous ... 



6. Stamens connate ... 



Stamens free ... ... ... 48. 



7. Tree 



Herb or shrub 



8. Leaves orbicular ... ... ... 56. 



Leaves oblong 



9. Flowers small, in round heads ... 64. 

 Flowers large 



10. Pod inflated 



Pod compressed, 1-2-seeded ... 42. 



11. Pod folded into the calyx 

 Pod straight or curved ... 



12. Leaflets with stipels 



Leaflets exstipellate ... ... 13. 



1 3. Joints of pod turgid, slightly com- 



pressed ... ... ... 20. 



Joints of pod flat ... ... ... 16. 



14. Small herb 15. 



Tree or climbing shrub ... ... bb. 



15. Pod articulate 

 Pod continuous 



16. Pod folded into the calyx 



Pod straight or curved ... ... 16. 



17. Terminal leaflet oblate 19. 



Terminal leaflet ovate 18. 



2. 



4. 

 15. 



3. 

 40. 

 66. 



5. 

 14. 



7. 



6. 



10. 



Bowringia (p. 87). 



Cercis (p. 90). 



9. 

 Acacia (p. 92). 



11. 



25. 

 Eriosema (p. 85). 



17. 



12. 



13. 

 Geissaspis (p. 77). 



Alysicarpus (p. 80). 

 Desmodium (p. 78). 

 Zornia (p. 78). 

 Bauhinia (p. 90). 



16. 



18. 



17. 

 Desmodium (p. 78). 

 Lourea (p. 80). 

 Vraria (p. 80). 



