Britton.: Studies of West Indtan plants 15 



7. Leucocroton virens Griseb. Nachr. Gesell. Wiss. Gotting. 



1865: 175 



Mountain woodlands, Oriente. The foliage of this species is 

 very different from that of the others. 



55. PASSIFLORA IN CUBA 

 Type species: Passiflora incarnata L. 



A. Flowers subtended by 3 large foliaceous bracts [Grana- 



dilla]. 

 Bracts united below the middle; leaves ovate, entire, 



membranous. 1. P. maliformis. 



Bracts distinct to the base. 



Branches sharply 4-angled; leaves ovate, entire, 



membranous. 2. P. quadrangular is. 



Branches not 4-angled. 



Leaves entire, subcoriaceous, glabrous. 3. P. laurifolia. 



Leaves lobed or parted. 



Leaves pedately parted, membranous, pubes- 

 cent, the segments serrate. 4. P. pedala. 

 Leaves obtusely 3-lobed, glabrous, the lobes 



entire. 5. P. pollens. 



B. Flowers subtended by small or pectinate-pinnatifid bracts, 



or bractless. 



1. Flower-tube cylindric or cylindric-campanulate; corona 



not plicate [Murucuja]. 

 Leaves entire, ovate to elliptic. 6. P. cuprea. 



Leaves lobed or subtruncate. 



Leaves 2-lobed or subtruncate. 



Leaves membranous, not reticulate-veined, 



deeply 2-lobed, the lobes acute. 7. P. nipensis. 



Leaves coriaceous, reticulate- veined, the lobes 



obtuse or rounded, or apex subtruncate. 8. P. cubensis. 



Leaves 3-lobed at the apex. 9. P. Shaferi. 



2. Flower-tube short or none; corona longitudinally 

 plicate [Plectrostemma]. 



A. Petals none. 



Leaves 3-divided, the segments stalked, 3-cleft. 10. P. Betleriana. 



Leaves lobed or entire. 11. P. pallida. 



B. Petals present. 



a. Flowers subtended by pinnntisect bracts. 



Leaves membranous, flaccid. 12. P.foetida. 



Leaves chartaceous. 



Plant densely velvety-pubescent. 13. P. gossypifolia. 



Plants glabrous, usually with some stalked glands. 14. P. pseudociliata. 



b. Bracts small, not pectinate-pinnatifid. 



* Peduncles elongated, i-flowered, longer than the 



leaves. 15. P. p en d id i flora. 



