167 
APOCYNACEAE. 
Key to genera. 
1. Anthers free from stigma 2. 
Anthers connate in cone round 1 stigma 6. 
2. Ovary entire 1. Melodinus. 
Ovary bipartite : 
3. Leaves alternate, crowded 4. Cerbera. 
Leaves opposite ve ; 
4. Leaves spell: in verticel of 3- £ s 5. 
Leaves opposite, ashe «Me 
5. Leaves acuminate 2. Rauwolfia. 
Leaves obtuse . 3. Alyxia. 
6. Throat of corolla with scales ee 10. 
Corolla throat without distinct scales T: 
. Anthers more or less exserted ue Oe PM. 
Anthers included oe ids 8. 
8. Ovary hidden in the disk <2, € 12. 
Ovary exserted.. ds ;- . 
9. Corolla lobes linear 15. TOM 
Corolla lobes short, ovate 41), 30. sor 4. 
10. 
m 
m- 
me 
wo 
p 
m 
2. 
3. 
cl 
. Corolla lobes long-tailed 
Anthers exserted ; ‘leaves pubese ent... 7. Wrighiia. 
Anthers include in 
ji anes Strophanthus. 
Corolla lobes not tailed sac 8, Nertum. 
Corolla lobes straight-tipped .. .. 12. Anodendron. 
Corolla lobes with tip deflected < Ll. Ichnocarpus. 
1.—MELODINUS. 
Key to species. 
. Scales of corolla exceedingly short, 
— 
sepals, at least outer ones, acute . . fusiformis. 
Scale of me 1-14 lines long, sepals 
ery obtu 2. 
Seales Se i free, lobes longer than 
2. monogynus. 
Seales “of corolla united to io middle lobes 
broader than long .. 3. suaveolens, 
. M. fusiformis, Champ.; Benth. Fl. Hongk. 218. Victoria 
ak and Mt. 
Parker north, Hongkong ;  islet in 
Wongnaichau Day, Hongkong New Territory ; hill near 
Chaochaufu. Fl. white, May. 
M. monogynus, Hozb.; Benth. l. c. 218. Happy Valley and 
Mt. Parker north, Hongkong. Fl. white, May. 
M. suaveolens, Champ. ; Benth. l e. 218. Mi. Victoria, 
Mt. Parker north, Happy Valley woods and Mt. Cameron, 
Hongkong ; Lantao Island, Kowloon City Ga = near 
Shatin, Hongkong New Territory. - Fl. white 
