XXU FLORA OF JAMAICA 



Flowers small. 



Parasitic shrubs : 11, 

 Plants not parasites. 

 Stipules tubular sheathing the stem : 14. 

 Stipules wanting or not tubular. 

 Leaves compound : 35. 



Leaves lobed, plant with coloured juice : 30 (Bocconia). 

 Leaves entire or toothed ; juice not coloured. 

 Perianth of distinct unequal segments, more or less covered by 



imbricated bracts. Flowers in spikes. Trees : 3. 

 Leaves 3-nerved at base. Fruit small, drupaceous : 7. 

 Fruit a utricle. Perianth, bract and bracteoles scarious, per- 

 sistent: 16, 

 Fruit a utricle. Perianth herbaceous : 15. 

 Fruit an anthocarp (utricle enclosed in persistent perianth- 

 base) : 17 (Boerhavia). 

 Fruit a berry of one carpel or of several carpels, fleshy out- 

 side: 18. 

 Fruit a capsule : 19. 

 Flowers unisexual. 

 Leaves compound : 5. 

 Leaves simple. 



Stipules united into a sheath enclosing the stem. 

 Leaves opposite : 2. 

 Leaves alternate : 14. 

 Stipules wanting or not united into a sheath. 

 Parasitic plants. 



Green, parasitic on branches : 11. 

 Fungus-like, parasitic on roots : 12. 

 Plants not parasitic. 



Submerged water-plants : 24. 

 Plants not submerged. 

 Perianth calycine. 

 Leaves opposite, fleshy, semiterete. Maritime shrub : 6. 

 Leaves 3-nerved at base. Fruit small, drupaceous : 7, 

 Trees, shrubs or herbs, with milky juice : 8. 

 Fruit an achene, sometimes enclosed in the perianth : 9. 

 Fruit a utricle. Perianth, bract and bracteoles scarious 



persistent : 16. 

 Fruit a utricle. Perianth herbaceous, not persistent : 15. 

 Perianth, bract and bracteoles scarious : 16. 

 Basal portion of perianth enclosing and adhering to the 

 fruit: 17. 

 Perianth petaloid. Climbing shrub : 25, 



C. Perianth of a double series (generally differentiated into calyx, and 

 corolla of separate petals), with superior ovary (but in Laranthacefe 

 it is inferior, and in Portulaca and Nymphxa half-inferior). 



Anthers dehiscing by valves. 

 Perianth inferior, calycine : 28. 

 Perianth superior, petaloid : 29. 



