SEPT., 1914. EUPHORBIACE^E MlLLSPAUGH 397 



and Rafinesquii Greene, differing from the former in being hairy and 

 from the latter in having hairy capsules. The roseate involucres are 

 very hairy within, glabrous or nearly so without; the lobes are equal, 

 triangular and entire, the pair flanking the sulcus not larger nor differing 

 from the other three; the sulcus shallow with a small, ligulate tooth 

 rising from its fundus. Capsules hairy, the cocci scarcely keeled. 

 Seeds ovoid, i x .7 mm. olive, or whitish-olive, the outer coat minutely 

 punctate, more or less quadrangular, the dorsal and lateral angles 

 markedly distinct, the slight anastomosing ridges of the facets hardly 

 distinguishable. 

 Type locality: MEXICO, from dry ledges in Tultenango Canon, State of 



Mexico, October 9, 1902, C. G. Pringle 8673. Type in herb. Gray, 



Cambridge, Mass. 

 Distribution: Known only from the type. 



CHAMAESYCE LASIOCARPA (Klotzsch) Arthur, in Torreya, 11:260. 1911. 

 Euphorbia lasiocarpa Klotzsch Nov. Act. Nat. Cur., xix suppl: 414. 



1843- 



This species is readily distinguished from other hypericifoUae by 

 its cinereous appearance; general short-hairy pubescence; long inter- 

 nodes and the more distinctly ridged facets of the obtuse-angled, brown- 

 ish-red to ashen, elongated-ovate seeds (i.i mm. long, .7 mm. broad). 

 The involucral sulcus is unoccupied, the lobes entire and the appendages 

 of the glands heterogeneous. 

 Distribution: JAMAICA and CENTRAL AMERICA to FLORIDA and northern 



MEXICO. 



CHAMAESYCE HYSSOPIFOLIA (Linn.) Small Bull. N. Y. Bot. Gard. 3:429. 

 1905. 



Euphorbia hyssopifolia Linn. Syst. ed. 2,10:1048. 1759. 

 The characters of this plant are strongly specific. The plant hardly 

 belongs under C. brasiliensis (Euphorbia brasiliensis hyssopifolia Boiss.) 

 being distinct with its oblong, blunt, almost ligulate leaves mostly entire 

 though sometimes sparingly toothed; its large, white, seldom entire 

 appendages; and olivaceous, ovoid seeds upon the facets of which the 

 transverse ridges are very inconspicuous. 



Distribution: The GREATER ANTILLEAN ISLANDS and CENTRAL AMER- 

 ICA. 



