EUPHORBIACEAE. 239 



entire; stamens 5; filaments eristate-barbellate at the base; styles short, 

 deeply bifid; capsule ovoid; cocci acutely carinate; seeds ovoid-quadran^ular, 

 the ventral angle obtu?e, pinkish gray, 1.1 X -8 mm., facets slightly and indis- 

 tinctly anastomose and transversely ridged. 



Coastal sands, white-lands and sand-pockets in coastal rocks, Eleuthera, the 

 Exumas, southward to Fortune Island. Endemic. Referred bv Mueller to Eu- 

 phorbia BalbisU Boiss ; by Coker to Euphorbia caijcnsis Millsp. ; and in Field Mus. 

 Bot. 2 : IGl to Euphorbia ficxuosa Kth. Exuma Spuu(;e. 



6. Chamaesyce cayensis Millsp. Field. Mus. Bot. 2: 301. 1909. 



Eiipliorhia cayensis Millsp. Torreya 4: 172. 190-4. 



Low, densely white-canescent; stems stout, ligneous, multinodal, branch- 

 ing below, 2-3 dm. high^ spreading above. Leaves thick, oval, 4-6 X-^— * """•> 

 obliquely cordate at the base, entire, canescent alike on both surfaces; 

 petioles 1-1.5 mm.; involucres campanulate. short-peduncled, 1.5 mm., canes- 

 cent, bearded in the throat; glands green, transversely oblong, thick, tumid, .7 

 mm. broad (fifth gland represented by a large, deltoid tooth on the involucral 

 margin); appendages lineal, hardly distinguishable; capsule canoscent ; cooci 

 bluntly keeled; seeds pinkish ashen, ovoid-quadrangular, the ventral angle 

 slight; 1 X -8 mm., facets distinctly transversely anastomose-ridged. 



Coastal white-lands, Man-o'-War Cay (Abaco), the Berry Islands and .Toulter's 

 Cays, Anguilla and Water Cays (Cay Sal Bank). Endemic. Bahama Spukge. 



7. Chamaesyce Bracei Millsp. Field Mus. Bot. 2: 302. 1909. 



EupJiorhia Bracei Millsp. Field Mus. Bot. 2: 159. 1906. 



Nearly prostrate, branching from the base; branches ligneous, canescent. 

 Leaves thickish, oblong to ovate, 5-8 X 3-5 mm., very short-canescent and 

 dotted with amber-like resin globules on both surfaces, the base narrowing to 

 the petiole, the apex obtuse, the margin entire, revolute; petiole one-fifth the 

 length of the blade; stipules triangular, 2-toothed or more., the teeth tipped 

 with a stalked dark globular gland; involucres upper-axillary, cup-shaped, 

 the pedicels equalling the tube, canescent without, ciliate within, the inner 

 wall with 5 alate columns from the base to the glands; lobes triangular, acute; 

 glands 4 (the fifth represented by a broader, longer involucral tooth), minute, 

 transversely-ovate; appendages very narrow, crenate, or wanting; stigmas 

 bifurcate to the base; capsule acicular-hairy ; seeds ovoid-quadrangular, .9 X •" 

 mm., very slightly anastomosely transverse-ridged. 



White-lands of Abaco and Man-o'-War Cay. Endemic. Brace's Spi-rce. 



8. Chamaesyce articulata (Aubl.) Britton, Mem. X. Y. Bot. Gard. 6: 574. 



1916. 



Euphorbia articulata Aubl. PI. Guian. 1: 4S0. 1775. 

 Euphorbia linearis Eetz. Obs. 3: 32. 1783. 



Shrubby, glabrous, 3-6 m. hi^h, the branches divaricate. Leaves glaltrous 

 or slightly canescent, ligulate to oblong-linear or narrowly oblong, 2-6 cm. X 

 4-6 mm., rounded or narrowed at the oblique base, acute or blunt, miu'ronulate, 

 entire, glaucous beneath; petioles short; stipules interpetiolar, broadly deltoid, 

 ciliate; involucres single, terminal-axillary; peduncles more or less winged; 

 tube thick, glabrous without, minutely appreJ^ed-silky within; involucral lobes 

 wanting, the margin of the tulie thickened; glands 4, cup-shapod, with a nipple- 

 like projection at the inner edge (resembling the tip of an elephant 's pro- 

 boscis) ; bracteolcs very numerous, ligulate below, ])rush-like above; stigma 

 3-furcate above the middle; capsule glabrous, strongly 3-coccous; seed pink- 

 ashen, ovoid-quadrangular, 1.5 X 1 T^^-t facets transversely anastomose-rugose. 



Low scrub-lands near .Jacksonville, East Caicos :— Borto Rico to Anegada and 

 St. Vincent. BusiiY Spurge. 



