92 
64.—PITHECOLOBIUM. 
Key to species. 
Leaflets few, large, ovoid ^ L lucidum. 
Leaflets many, Phobias. upper larger 2. Clypearia. 
l. P. lucidum, Benth. Fl. Hongk. 102. Little Hongkong, Taitam 
uk and Aberdeen Road, Hongkong ; Lantao Island and 
Kowloon, Hongkong New Territor ry; hill near Chao- 
PE about 10 miles North of Canton. Fl. white 
ong;  Lantao island and Taipo, ecd New 
Territory. Fl. white, May. 
ROSACEAE. 
Key to genera. 
l. Ovary superior .. = ons iiie 2. 
vary inferior ... ‘ oes ro 6. 
2. Tree; fruit drupaceous 3 
Herb or shrub with compound fruit . $n . 
3.. Leaves entire and flowers subsessile ... 2. Pygeum. 
Leaves serrate or flowers fuc 
pedicellate ... 
mb. ., i 
I 
.. Prunus. 
erb EE eae a 14, 
. Stems thorn on ‘ 4. Rubus. 
Stem erect, unarmed e = eo 3. Spiraea, 
6,. Herb. . ... s Sas ies vee d. Agrimonia, 
Shrub or tree ... " à "s fs 
7. Leaves pinnate... "S i «x 8. 
Leaves simple ... ave e vl 9. 
8. Stem thorny . d i =- 8 koa 
Stem unarmed . 15. Osteomeles. 
9. Fruit fleshy with one or more separate 
seeds 10. 
Fruit a drupe with a multilocular stone I5. 
10. Calyx limb deciduous .. HE 
Calyx limb persistent ... x ne 12. 
1L Loris evergreen iss ive es 13. Raphiolepis. 
eaves deciduous’... m es 009. Pyrus. 
12. Fruit large, soft eve ove -. 12. Eriobotrya. 
Fruit hard SR is «+ I1. Photinia, 
13. Leaves evergreen a ee --- 14, Stranvaesia, 
Leaves deciduous a "- .. 10. Crataegus. 
14. Receptacle swollen in fruit... e 5, Fragaria. 
Receptacle unenlarged cow 02 6. Potentilla, 
