622 Xciv. APOCTNACEiE. (J. D. Hooker.) 



SuBTEiBE 3. EuplumeriesB. Calyx glandular within. Carpels 6-00- 

 ovuled. Fruit (in tlie Indian genera) of 2 follicles. 



* Ovules 2-seriate. 



Disc annular or obscure. Seeds ■winged. Leafless shrub . 13. Rhazta. 

 Disc of 2 scales. Seeds truncate at both ends .... 14. Vinoa. 



** 



Ovules 00 -seriate. 



Erect trees. Leaves scattered, alternate. Seeds winged . 14*.PLtiMERiA. 



A climber. Leaves opposite or whorled . Seeds winged . 15. Ellkktonia. 

 Erect trees or shrubs. Leaves whorled. Seeds comose. 



Style distinct 16. Alstonia. 



Erect trees. Leaves whorled. Seeds winged. Style . . 17. Dybea. 



Erect trees. Leaves opposite. Seeds comose. Style short 18. Holarehen-a. 



Sttbtbibe 4. TabemaemoiitaneeB. Calyx glandular within. Carpels 

 00 -ovuled. Ih-uit fleshy or coriaceous, dehiscent or not. 



Erect trees or shrubs 19. TABEENiEHONTANA. 



Tribe III. Echitldeae. Anthers included or exserted, conniving in a 

 cone around the top of the style and adherent to it by a point on the connective ; 

 cells produced downwards into a subulate empty spur. Ovary of 2 distinct 

 carpels united by the style. Fruit of 2 follicles. Seeds comose at one or both 

 ends. — Exceptions, see Parsonda, 



Sttbteibe 1. Parsonsieae. CoroWa rotate or salver-shaped, throat naked, 

 except Wrigktia. Anthers more or less exserted. 



Corolla-lobes valvate. Carpels connate in flower .... 20. Pabsonsia, 

 CoroUa rotate, mouth naked. Connective thicliened at the 



back 21. Vaixaeis. 



Corolla salver-shaped, mouth naked 22. Pottsia. 



Corolla rotate or salver-shaped, mouth with scales . , . 23. Weightia. 



Stjbteibb 2. Neriese. Coi-oUa-throat broad, with 5-10 scales. Anthers 

 included. 



Shrubby, erect. Leaves whorled. Corolla-lobes short. 



Follicles erect 24. Neeicm. 



Shrubby or twining. Leaves opposite. Corolla-lobes long 



or tailed. Follicles spreading 25. Steophanthus. 



Herbaceous. Leaves opposite. Corolla-lobes short. Fol- 

 licles slender 26. Apocynttm. 



SuBTBiBB 3. EuechitidesB. Corolla various, mouth naked. Anthers 

 included. 



* CoroUa-lobes valvate, overlapping to the left. 



Flowers small or minute. Corolla urceolate, lobes valvate 27. TJeceola. 

 Flowers small. Corolla subcampanulate, lobes overlapping 28. Paeameeia. 



** Corollorlobes overlapping to the right, 



a. CoroUa very large. 



Immense climbers, coroUa bell- or funnel-shaped .... 29. Beatjmontia. 

 Lofty climbers. CoroUa salver-shaped 30. Chonemoepha. 



, 0. Corolla minute, urceolate, lobes very short. 



Ovary exserted from the disc. Seeds beaked 3]. Ecdtsantheea. 



