150 



FLORA OF JAMAICA 



Pitonia 



and capitate or multifid exserted stigma ; stamens short and 

 sterile. Anthocarp indurated or somewhat fleshy on the outside. 

 Utricle elongated or ellipsoidal, membranous. Testa of seed 

 hyaline, adhering to pericarp ; embryo straight ; cotyledons 

 broad, thin, enclosing endosperm, twisted and plaited or con- 

 duplicate. 



Fig. b\.—P\ionia acideata L. 



A, Portion of male flowering branch X i. 



B, Male flower X 5. 



C, Female flower x 5. 



n, Do. with part of the perianth removed 

 X6. 



E, FmitX 2. 



F, Fruit cut across X 5. 

 O, Embryo. 



e, endosperm ; c, cotyledons ; r, radicle. 



Species about 30, mostly natives of tropical America, a few 

 indigenous in Asia, Polynesia and Madagascar. 



§ 1. Fruit oblong-clavate, 5-aDgled, with rows of glutinous 



papillee along the angles 1. r. aculeaia. 



§ 2. Fruit ellipsoidal, fleshy ou the outside, not glandular. 



Leaves leathery, veins densely reticulate, pro- 

 minulous especially beneath 2. P. obtusata. 



Leaves thin, veins indistinct, flat or impressed. 



Panicle solitary, terminal, erect 3. P.fragrans. 



Panicles or racemes, 2 or more together, 

 axillary 4. P. discolor. 



