f>nopharyngia.^ Lxxxiv. APOCYNACEiE (staff). 



141 



Corolla-tube 9-14 lin. long. 



Corolla-tube very fleshy, usually much widened at the 

 middle. 

 Cal)'x Ij-lf liu. long; corolla-tube 1 in. long-, 

 glabrous within above tlie anthers ; 

 secondary nerves 6-8 on eacli side . . 7. C. crassa. 



Calyx 2-5 liii. long ; corolla-tube pubescent to 

 tomentose within above the anthers ; secondary 

 nerves 9-18 on each side. 

 Calyx 2-2^ lin. long ; corolla-tube 9-10 lin. long, 

 pubescent within above the anthers, and 

 with gold-brown velvety lines below . . 8. C Cumminsii. 



Calyx 3-5 lin. long; corollu-tube 12-14 lin. long, 

 with different indumentum inside from that 

 of C. Cumminsii. 

 Corolla-tube very stout, pubescent, densely 

 tomentose or villous within all over, 

 except a portion near the base. 

 Calyx 3-4 lin, long; leaves 10-15 in. long, 

 4-10 in. broad ; secondary nerves 12- 

 15 on each side. 

 Leaves 12-15 in. long, 8-10 in. broad . 9. C. pachysiphon. 

 Leaves about 7-10 in. long, 3-4 in. 

 broad. 

 Calyx 3-3^ lin. long; corolla-tube 

 widest at the middle, anthers in- 

 serted 6 lin. above its base . . 10. C. Hoist ii. 

 Calyx 4 lin. long ; corolla-tube widest 

 below the middle, anthers inserted 

 4k lin, above its base . 

 Calyx 5 lin. long; leaves 5-7 in. long, 

 2-3 in. broad ; secondary nerves 9-13 

 on each side ..... 

 Corolla-tube more slender than in the 5 pre- 

 ceding species, villous within near the 

 mouth, otherwise glabrous 

 Corolla-tube very slender, cylindric, 9-10 lin. long . 

 Corolla-tube 5-6 lin. long. 



Inflorescences more or less corymbose on slout 

 peduncles from the tops of the branches, rarely 

 overtopped by young shoots. 

 Leaves elliptic to elLptic-oblong, 7-16 in. long, 

 3-9 in. broad; secondary nerves 8-12 on each 

 side ; calyx 3 lin. long ..... 

 Leaves oblong to linear-oblong, 5-8 in. long, 

 1^-2^ in. broad; secondary nerves 12-16 on 

 each side ; calyx 2-2^ lin. long . . .16. 



Inflorescences usually pseudo- axillary, subsessile . 17. 



15. C. brachyantl.a. 



C. usambarenais. 

 C. pendnlijlora. 



**Leptophaetngia. — Corolla-tube \-l in. long, com- 

 paratively thin. Stigma ellipsoid or globose, 

 minutely papillose, not grooved, with a usually 

 tootlied rim at the base and a conspicuous papillose 

 2-fid apiculus as long as or longer than the rest of 

 the stigma . . . 



18. C. elegant. 



