92 



64.— PITHEOOLOBIUM. 



Key to species. 



Leaflets few, large, ovoid ... ... 1. lucidum. 



Leaflets many, rhomboidal, upper larger 2. Clypearia, 



1. P, 



2. P. 



lucidum, Benth. Fl. Hongk. 102. Little Hongkong, Taitam 

 Tuk and Aberdeen Eoad, Hongkong ; Lantao Island and 

 Kowloon, Hongkong New Territory ; hill near Chao- 

 chaufu J about 10 miles North of Canton. Fl. white. 

 May. 



Clypearia, Benth. 1. c. 103. Little Hongkong woods, in a 

 ravine below the Wongneichong-Taitam catchwater, along- 

 side path leading from Barker Road to May Eoad, Hong- 

 kong ; Lantao Island and Taipo, Hongkong New 

 Territory. Fl. white, May. 



EOSACEAE. 

 Key to genera. 



1. Ovary superior 



Ovary inferior ... 



2. Tree; fruit drupaceous 



Herb or shrub with compound fruit ... 



3. Leaves entire and flowers subsessile ... 

 Leaves serrate or flowers distinctly 



pedicellate ... 



4. Shrub 



Herb 



5. Stems thorny ... 

 Stem erect, unarmed ... 



6. Herb 



Shrub or tree ... 



7. Leaves pinnate .. . 

 Leaves simple ... 



8. Stem thorny 

 Stem unarmed ... 



9. Fruit fleshy with one or more separate 



Fruit a drupe with a multilocular stone 



10. Calyx limb deciduous 



Calyx limb persistent 



Leaves evergreen 

 Leaves deciduous 



Fruit large, soft 



Fruit small, hard 



13. Leaves evergreen 

 Leaves deciduous 



14. Receptacle swollen in fruit 

 Receptacle unenlarged 



11 



12 



2. 

 6. 

 3. 

 4. 



2. Pygeum, 



1. Prunus. 

 5. 

 14. 



4. Rubus. 



3. Spiraea. 



7. Agrimonia. 



7. 

 8. 

 9. 



8. Rosa. 



15. Osteomeles. 



10. 

 13. 

 11. 

 12. 



13. Raphiolepis. 



9. Pyrus. 



12. Eriobotrya. 

 11. Pliotinia. 



14. Stranvaesia, 

 10. Crataegus. 



5. Fragaria. 



6. Potentilla. 



