622 



xciv. APOCYNACEJE. (J. D. Hooker.) 



SUBTRIBE 3. Euplumerieoo. Calyx glandular within. Carpels 6-00 

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



* Ovules ^-seriate. 



Disc annular or obscure. Seeds winged. Leafless shrub . 13. RHAZYA. 

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



** Ovule* oo -setiate. 



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



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

 Erect trees or shrubs. Leaves whorled. Seeds comqse. 



Style distinct 16. ALSTONIA. 



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



Erect trees. Leaves opposite. Seeds comose. Style short 18. HOLARRHENA. 



SUBTRIBE 4. Tabernoemontaneae. Calyx glandular -within. Carpels 

 oo -ovuled. Fruit fleshy or coriaceous, dehiscent or not. 



Erect trees or shrubs 19. TA BERN JEMONT ANA. 



TRIBE III. Echitideee. 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 Parsonsia. 



SUBTRIBE 1. Farsonsieee. Corolla rotate or salver-shaped, throat naked, 

 except Wrightia. Anthers more or less exserted. 



Corolla-lobes val rate. Carpels connate in flower .... 20. PARSOXSIA. 

 Corolla rotate, mouth naked. Connective thickened at the 



back 21. VALLARIS. 



Corolla salver-shaped, mouth naked ........ 22. POTTSIA. 



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



STTBTRIBE 2. Nerieae. Corolla-throat broad, with 6-10 scales. Anthers 

 included. 



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



Follicles erect 24. NERIUM. 



Shrubby or twining. Leaves opposite. Corolla-lobes long 



or tailed. Follicles spreading 25. STROPHANTHUS. 



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

 licles slender 26. APOCYNTJM. 



SUBTRIBE 3. Euechitideoc. Corolla various, mouth naked. Anthers 

 included. 



* Corolla-lobes valvate, overlapping to the left. 



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

 Flowers small. Corolla subcampanulate, lobes overlapping 28. PAU.'MKRIA. 



** Corolla-lobes overlapping to the right, 

 a. Corolla very large. 



Immense climbers, corolla bell- or funnel-shaped .... 29. BEATTMONTIA. 

 Lofty climbers. Corolla salver-shaped 30. CHONEJIORPHA. 



/3. Corolla minute, urceolate^ lobes very short. 

 Ovary exserted from the disc. Seeds beaked 31. ECDYSANTHERA. 



