Jennings: Contribution to Botany of Isle of Pines. 201 



southwest of Bibijagua, May 7, 1910, 0. E. Jennings, No. 100; near 

 Hato, north of Caleta Grande, May 22, 1910, 0. E. Jennings, No. 463a; 

 northern part of the island, Blain, No. 130 (Millspaugh). General 

 Distribution: From the Bahamas and southern Florida south 

 through the West Indies and tropical America. 



501. Bucida spinosa (Northrop) comb. nov. 



Terminalia spinosa Northrop, Memoirs of the Torrey Botanical Club, XII, 

 1902. p. 54. 



Conspicuous in the chaparral near Hato, north of Caleta Grande, 

 May 22, 1910, 0. E. Jennings, No. 46Q. General Distribution: The 

 West Indies. 



502. Lagunculaiia racemosa (Linnaeu?) Gaertner, filius. White 

 Buttonwood. White Mangrove. 



Conocarpus racemosa Linn^us, Systema Naturas, II, Ed. X. 1759, p. 930. 

 Laguncularia racemosa Gaertner, filius, De Fructibus et Seminibus Plantarum, 

 III, 1807, p. 209. 



Based on specimen Blain, No. 80, reported by Millspaugh, collected 

 in the northern part of the island. General Distribution: Along 

 coasts, from the Bermudas and southern Florida south through the 

 West Indies and tropical America. 



Family MYRTACE^. 



. Key to the Species Enumerated. 



Leaves long, up to 20 cm. or more, lance-linear, acuminate. . 506. Eugenia Jambos. 



Leaves lanceolate, or narrowly ovate, acuminate 509. Psidium Guayahila. 



Leaves orbicular to rounded-cordate, very obtuse.. .510. Calyptranthes pinetorum. 

 Leaves narrowly elliptic to oval or oblong, not cordate nor sharply acuminate. 

 Flowers densely grouped in a head at the apex of a long axillary peduncle. 

 Leaves elliptic, obtuse to shortly bluntly acuminate; glomerule s-9-flowered. 



calyx-lobes obtuse 511. Calyptranthes micrantha; 



Leaves narrowly elliptic, obtuse; glomerule f ewer- flowered ; calyx-lobes 



apiculate 512. Calyptranthes punctata. 



Flowers not grouped into a long-peduncled head. 



Leaves small, up to 2.5 cm. long by i cm. wide.. .507. Eugenia punicifolia. 

 Leaves larger. 



Flowers 2.5-3.5 cm. in diameter, solitary, axillary; leaves pubescent 



beneath 508. Psidium Giiajava. 



Flowers much smaller. 



Peduncles axillary, dichotomously branching, 3-7 (or i)-flowered; 

 leaf-blades oblong to obovate-cuneate, 2-4 cm. long. 



505. Anamomis dichotoma. 



