Jennings: Contribution to Botany of Isle of Pines. 205 



Family MELASTOMACE^. 



Key to the Species Enumerated. 



Small herbaceous annuals with partly long-spurred anthers. 



516. Acisanlhera glandulifera. 

 Woody, at least at the base. 



Low plants with a woody base and narrow leaves less than 2 cm. long. 



Calyx-lobes obtusish, ovate-subrotund 514. Chcetolepis saturioides. 



Calyx-lobes acuminate, ciliate, oblong-lanceolate.. .515. Chcetolepis cubensis. 

 Shrubs or trees; leaves more than 2.5 cm. long. 



Leaves with white to brownish, stiff hairs 1-3 mm. long. 



Long hairs apically reddish-glandular; spur produced from back of 



calyx-lobe considerably below the apex 528. Clidemia hiria. 



Long hairs only occasionally glandular; spur on back of calyx-lobe very 



close to the apex 529. Clidemia strigillosa. 



Leaves not as above. 



« 



Leaves essentially glabrous. 



Calyx-lobes prominently tuberculate near their apex; leaves 2.5-5 

 by 5-12 cm. 

 Calyx 7-8 mm. long; largest leaves on flowering shoots lance- 

 ovate, at least 10-13 cm. long. ..526. Pachyanthus longifolius. 

 Calyx 5-6 mm. long; largest leaves on flowering shoots usually 



less than 10 cm. long, ovate 527. Pachyanthus ovatus. 



Calyx-lobes none or very small, not tuberculate. 



Leaves about 1-1.5 by 20-30 mm., sessile, more or less yellow 



beneath 519. Tamonea androscemifolia. 



Leaves about 10-15 cm. by 2-3.5 cm., distinctly petioled, whitish 



beneath 517. Tetrazygia hicolor. 



Leaves ovate or oval-oblong, 5-10 cm. long, very shortly petioled. 



523. Tamonea Wrightii. 

 (See also 524. Tamonea praicox). 



Leaves not as above 530. Osscea macrandra. 



Leaves stellate-pubescent (or simply pubescent). 



Leaves attenuate into a margined petiole. . . .520. Tamonea prasina. 

 Leaves not thus attenuate at base. 



Leaves up to 3 dm. or more long, elliptic to obovate, acuminate, 



petiole short or almost none 521. Tamonea impetiolaris. 



Leaves much shorter, broadly ovate, distinctly petioled. 



Margins of leaves closely and finely denticulate, blades more- 

 or less brownish beneath, flowers pinkish. 



518. Tamonea tomentosa var. auriculata. 

 Margins entire, usually closely revolute. 



Flowers orange; leaves rounded at apex, at maturity! 

 smooth and lustrous above. . .525. Pachyanthus cubensis. 

 Flowers light yellow; leaves bluntly acute, dull, stellate-, 

 pubescent and more or less yellowish above. 



522. Tamonea delicatula. 



