CELASTRACEAE. 247 



1. Maytenus lucayana Britton, Bull. N. Y. Bot, Gard. 4: 140. 1906. 



A white-barked shrub, the twigs angular. Leaves orbicular-ovate, 1.5-3 cm. 

 long, 1.5-2.7 cm. wide, coriaceous, rounded at the apex, cordate at the base, 

 shining above, dull beneath, bright-green, the midvein slender and impressed in 

 both surfaces, the few lateral veins more slender and similarly impressed, the 

 stout petiole only 1-1.5 mm. long; pedicels solitary or few together at defoliated 

 axils, about 2 mm. long; petals not seen; calyx-lobes ovate, acute, nearly 1 mm. 

 long; young fruit ovoid, pointed^ tipped by a style 0.5 mm. long; stigmas 2. 



Rocky margins of ponds, Great Bahama at West End. Endemic. Bahama 

 Maytenus. 



^ 2. Maytenus buxifolia (A. Eich.) Griseb. Cat. PI. Cub. 53. 1866. 



Monteverdia buxifolia A. Eich. in Sagra, Hist. Cub. 10: 142, pi. 36. 1845. 



A shrub or a tree up to 10 m. high, the trunk up to 2.5 dm. in diameter, the 

 twigs gray, glabrous, becoming nearly terete. Leaves oblong to obovate or 

 oblong-spatulate, 1-4 cm. long, 4-20 mm. wide, coriaceous, obtuse or subtruncate 

 at the apex, obtuse, narrowed, or cuneate at the base, short-petioled, faintly 

 shining above, dull beneath, the midvein impressed on both sides, the lateral 

 venation obsolete; flowers few in the clusters; pedicels 1-4 mm. long; calyx- 

 lobes semiorbicular, 0.5 mm. long; petals greenish yellow, nearly 2 mm. long, 

 ovate, obtuse; fruit globose-obovoid, red or orange, 5-9 mm. long. 



Thickets and scrub-lands, throughout the archipelago from Abaco and Great 

 Bahama to Caicos and Inagua : Cuba ; Hispaniola. Box-leaved Maytenus. 



2. RHACOMA L. Syst. ed. 10, 896. 1759. 



Shrubs or low trees, with coriaceous small evergreen leaves, and small 

 perfect greenish axillary flowers. Calyx 4-5-lobed. Disk depressed, 4-5- 

 lobed. Petals 4 or 5, inserted under the disk. Stamens 4 or 5. Ovary 4- 

 celled; stigmas 4; ovules 1 in each cavity of the ovary, erect. Drupe with a 

 somewhat fleshy, thin exocarp and a bony stone. [Name used by Pliny for 

 some Old World plant.] About 12 species, of warm and tropical America. 

 Type species: Ehacoma Crossopetalum L. 



Leaves entire or crenulate. 



Inflorescence nearly sessile; leaves entire. 1. R. coriaeea. 



Inflorescence slender-peduncled ; leaves crenulate at least 



toward the apex. 2. B. Crossopetalum. 



Leaves spinulose-serrulate. 



Leaves long spinulose-toothed : fruit nearly sessile. 3. R. aquifolia. 



Leaves short spinulose-toothed ; fruit slender-pedicelled. 4. R. iJicifoUn. 



1. Rhacoma coriaeea (Northrop) Urban, Symb. Ant. 5: 71. 1904. 



Crossopetalum coriaceum Northrop, Mem. Torr. Club 12: 4S. 1902. 



A low shrub, 6 dm. high or less, the quadrangular twigs densely leafy, 

 glabrous. Leaves opposite, coriaceous, glabrous, obovate or oblong-obovate, 

 1-3 cm. long, 7-12 mm. wide, rounded or obtuse at the apex, narrowed at the 

 base, entire, dull green on both sides; inflorescence 1 5-flftwered, sessile or 

 nearly so; calyx-lobes 4, half -orbicular; petals 4, ovate to orbicular, reddish, 

 1 mm. long; disk 4-lobed; stamens 4; drupe obovoid, red, about 4 mm. long. 



Low coppices, sand-dunes and savannas, Andros, New Providence, Eleuthera, 

 Great Guana. Endemic. Bahama RHACOMA. 



