RHAMNACE.E 



731 



broad rounded teeth, thick, dull dark green and soft-pubescent on the upper surface, pale 

 and pubescent on the lower surface, 3|'-5' long and 1 j'-l|' wide, with a prominent pubes- 

 cent yellow midrib and slender primary veins; petioles slender, yellow, densely pubescent, 

 i'-s' in length; stipules linear-lanceolate, long-acuminate, pubescent, f ' in length. Flowers 

 minute on pedicels ^' long, from the axils of ovate acuminate villose caducous bracts, in 

 villose cymes on peduncles longer than the petioles; calyx densely pubescent, the lobes 

 triangular, ovate, acute, about as long as the yellow petals. Fruit globose, about %' in di- 

 ameter. 



A tree in Florida from 20-30 high, with a trunk 6'-8' in diameter (teste J. K. Small) 

 and slender light red-brown pubescent branchlets. 



Distribution. Florida, hummocks of the Everglade Keys, Dade County; on the Ba- 

 hama Islands and in Cuba and Hispaniola. 



3. Colubrina arborescens Sarg. 

 Cohibrina Colubrina Mills. 



Leaves coriaceous, persistent, elliptic to ovate-lanceolate, gradually narrowed and 

 bluntly pointed at apex, narrowed and rounded or cuneate at base, entire, dark green, 

 glabrous and lustrous on the upper surface, pale and coated on the lower surface with thick 

 rusty pubescence and sometimes marked by conspicuous glands mostly at the end of small 

 veins, 2'-4^-' long and Ij'-^' wide, with a thick midrib; petioles stout, rusty-pubescent, 

 \'-\' in length; stipules oblong, acuminate, rusty-pubescent, caducous. Flowers minute, 

 in axillary cymes shorter than the petioles, covered with persistent rusty pubescence and 

 generally produced on short axillary branches; petals white or nearly white. Fruit on a 

 stout rusty-pubescent pedicel, about \' long, on a much thickened peduncle, obovoid to 



Fig. 658 



subglobose, dark purple or nearly black, T \' in diameter; nutlets light yellow; seed 

 about i' long. 



A tree, sometimes 25 high, with a straight trunk 8'-12' in diameter, large erect branches 

 and stout branchlets densely rusty-pubescent when they first appear, and light gray, puber- 

 ulous and marked by small dark lenticels in their second year; in Florida more often a shrub. 



Distribution. Florida, on the Everglade and southern keys; on the Bahama Islands and 

 on several of the Antilles. 



