242 BUXACEAE. 



lobes triangular, ciliate; glands 4, minute, orbicular, stipitate, with or without 

 narrow white, entire or bi-crenate, appendages; styles thick, bifurcate to 

 the middle, the branches somewhat swollen at the tips; capsule crisped-hairy ; 

 oocci distinct; seed white or pinkish, elongated-ovoid-quadrangular, angles 

 sharp and prominent, facets with a few prominent broad, mostly incomplete, 

 transverse ridges. 



Red-lands of Great Exuma, Long Island, Atwood Cay, Mariguana and Castle 

 Island : — Hispaniola to Martinique. Bbeteeo's Sphegd. 



16. Chamaesyce Blrittonii Millsp. Field Mus. Bot. 2: 303. 1909. 



Euphorbia Brittonii Millsp. Meld Mus. Bot. 2: 159. ' 1906. 



A low, slender, erect herb branching from the base, 5-7 cm. high; branches 

 wiry, ascending. Leaves thick, short-petioled, rotund or oblong-elliptic, 4x3 

 mm., slightly oblique-cordate, entire or subdentate, revolute, midrib prominent 

 beneath, under surface glaucous, pilose; stipules triangular, more or less 

 equally fimbriate; involucres solitary in the axils, campanulate, pedicellate, 

 glabrous without, densely tomentose at the throat within; glands ovate, green- 

 ish; appendages large, orbicular, white; stamens pilose; stigmas bifurcate 

 above; capsule smooth; seeds roseate-cinereous, ovoid-quadrangular, the ventral 

 angle flattened, facets slightly transverse-rugose. 



White-lands near Nassau, New Providence. Endemic. Beitton's Spubge. 

 [Sapium Iwurifolium Griseb., reported by DoUey as Bahamian, has not been seen 

 on the islands by any of our investigators ; his record is presumably erroneous.] 



Order 14. SAPINDALES. 



Mostly trees or shrubs. Petals usually present and separate. Sepals 

 mostly distinct. Stamens rarely more than twice as many as the sepals, 

 when as many or fewer, opposite them. Ovary superior, compound. 

 Ovules pendulous, with the raphe away from the axis of the ovary, or 

 erect or ascending. 



Petals wanting. Fam. 1. Buxaceae. 



Petals present. 



Ovary mostly 1-celled ; plants with resin-bearlng tissues. Fam. 2. Anacaediaceae. 

 Ovary 2-several-ceIlea. 



Leaves simple, pinnately veined. 



Ovule 1 in each ovary-cavity. Fam. 3. Ilicaceae. 



Ovules 2 or more in each ovary-cavity. 



Flowers with a disk and petals. Fam. 4. Celasteaceae. 



Disk obsolete ; corolla wanting. Fam. 5. Dodonaeaceae. 



Leaves compound ; fruit various. Fam. 6. Sapindaceae. 



Family 1. BUXACEAE Dumort. 

 Box Family. 



Monoecious or dioecious trees, shrubs or perennial herbs, with simple 

 mostly evergreen leaves, the sap not milky. Flowers regular, braeted. 

 Petals none. Staminate flowers with 4^7 distinct stamens, the anthers 

 2-celled; sometimes with a rudimentary pistil. Pistillate flowers with a 

 2-4-celled (mostly 3-celled) ovary, with 2 or 1 anatropous ovules in each 

 cavity; styles as many as the ovary-cavities, simple. Fruit a capsule or 

 drupe, its carpels 1-2-seeded. Embryo straight; endosperm fleshy, or 

 almost wanting. About 6 genera and 40 speci«s of both the Old World 

 and the New. 



