388 FIELD MUSEUM OF* NATURAL HISTORY- BOTANY, VOL. II 



U. S. 22167; Mo. 39414; hb. Gray); Santa Rita Forest Reserve, 

 Griffiths 5954 (F. 413505; U. S. 496852); Bisbee, Mearns 868, 1075 

 (F. 413503-4; U. S. 229157, 560210); Fort Sewell, Lemmon (F. 

 409458; Mo. 39417); Fort Whipple, Coues (F. 288308, 409457; 

 Mo. 394i8). 



NEW MEXICO, Organ Mts., Wooton (F. 413507-8; U. S. 735273- 

 5); Wooton & Standley (F. 413509; U. S. 564056); Black Range, 

 Metcal/e 1292 (F. 187626; U. S. 498091; hb. Gray; hb. Berlin); 

 Silver City, Greene 434 (F. 409464; Mo. 39413); Hillsboro, Greene 

 1292 (F. 187626; U. S. 498091). 



TEXAS, Alpine, Mackensen (F. 300276); La Grange, Schneck 

 (F. 373890). 

 Illustration: Millsp. Bot. Gaz. 26:21. 



CHAMAESYCE ADENOPTERA (Bertol.) Small 'Fl. SE. U. S. 714, 1334. 1903. 



Euphorbia adenoptera Bertol. Misc. Bot. 3:20. 1843. 



Euphorbia Lindeniana A. Rich, in Sagra Hist. Cub. 11:197. ^S - 



Euphorbia serpyllifolia Kunth H. B. K. Nov. Gen et Sp. 2:53. 1817. 

 non Pers. 



Euphorbia per gamena Small. Bull. Torr. Club 25:615. 1898. 



Anisophyllum Lindenianum Kl. & Gke. Tricocc. 33. 1859. 



Chamaesyce pergamena Small Fl. SE. U. S. 713, 1333. 1903. 



Euphorbia Gundlachii Urban Symbol. An till. 5:392. 1908. 



Plants rosulate, tufted, compact; root perennial, thick, nodose, 

 short and heavy; stem prostrate, terete; branches numerous, alternate, 

 minutely pilose laterally and above. Inflorescence solitary, upper 

 axillary. Leaves opposite, thick, opaque, indistinctly 3-nerved, wrin- 

 kling in drying, green and subglabrous above, generally crispid-pilose 

 beneath, ovate to fabiform, strongly inaequilateral, 6 x 2.5 to 8x3.5 

 mm., obliquely cordate at the base, obtuse, the margin obsoletely sub- 

 crenate or more or less indistinctly repand, thickened and revolute ; 

 petioles short, pilose; stipules subulate-setaceous, deciduous. Involucres 

 subsessile, campanulate, 1-1.5 mm., including the peduncle, puberulous 

 without and within; lobes deltoid, truncate, ciliate; glands transversely 

 oblong, somewhat cupped; appendages petaloid, the lower pair rotund, 

 3-crenate, i x .4 mm., about twice smaller than the ascending, wing-like, 

 sanguinate upper pair; pedicels of the male flowers glabrous, the female 

 short-pilose above; ovary densely pilose; style trifid two-thirds its length, 

 the branches bifid one- third. Capsule globose, whitish pubescent; 

 cocci rounded; seed ovoid, .85 x .70 mm., ashen; apex obtuse; the angles 

 not strongly marked; facets convex, ridges broad and rounded; sulci 

 3, narrow, distinct; seed-coat finely pitted. 



