SAPINDACE^E 655 



A tree, sometimes 35-40 high, with a trunk occasionally 18'-20' in diameter, 

 and branchlets pale green when they first appear, becoming gray during their first 

 season and bright red-brown the following year; generally much smaller. Bark of 

 the trunk rarely ' thick, marked by shallow depressions and numerous minute 



leuticels. Wood very heavy, hard, close-grained, rich dark brown, with thin darker 

 colored sap wood of 4 or 5 layers of annual growth; very durable in contact with the 

 soil and valued in Florida for posts; also used in shipbuilding and for the handles of 

 tools. 



Distribution. Upper Metacombe and Umbrella Keys, Florida; rare ; in Cuba 

 and Jamaica. 



4. UNGNADIA, Endl. 



A tree or shrub, with thin pale gray fissured bark, slender terete slightly zigzag 

 branchlets without terminal buds, marked by large conspicuous obcordate leaf-scars, 

 small obtuse nearly globose axillary winter-buds covered with numerous chestnut- 

 brown imbricated scales, and thick fleshy roots. Leaves long-petioled, 5 or 7 

 or rarely 3-foliolate, deciduous; leaflets ovate-lanceolate, acuminate, rounded or 

 wedge-shaped, and often oblique at the base, irregularly crenulate-serrate, coated at 

 first on the lower surface like the petioles with dense pale tomentum, pilose above, 

 glabrous at maturity with the exception of a few hairs on the lower surface along 

 the principal veins, pinnately veined, reticulate-venulose, the terminal one long- 

 petiolulate, the others short-petiolulate to subsessile. Flowers irregular, polyga- 

 mous, in small pubescent fascicles or corymbs appearing just before or with the 

 leaves from the axils of those of the previous year, usually from separate buds, or 

 occasionally from the base of leafy branches; calyx 5-lobed, hypogynous, oblong-lan- 

 ceolate, somewhat united irregularly at the base only, deciduous; petals 4 by the 

 suppression of the anterior one, or 5 and then alternate with the lobes of the calyx, 

 hypogynous on the margin of a thickened truncate torus, unguiculate, bright rose 

 color, deciduous, the claw as long as the lobes of the calyx, nearly erect, clothed 

 with tomentum, especially on the inner surface, conspicuously appendaged at the 

 summit with a fimbricated crest of short fleshy tufted hairs, the blade obovate, spread- 

 ing, often erose-crenulate ; disk unilateral, oblique, tongue-shaped, surrounding and 

 connate with the base of the stipe of the ovary; stamens 7-10, usually 8 or 9, inserted 

 on the oblique edge of the disk, much exserted and unequal, the anterior ones shorter 



