BRIEFER ARIICGCI ES 
NOTES AND NEW SPECIES OF THE GENUS EUPHORBIA. 
EUPHORBIA STICTOSPORA Engelm., Mex. Bound. Bot. 187. 
The following characters are drawn from the type. 
Involucral glands irregular, transverse, the fifth represented by a 
small lobe or absent; lobes triangular, hairy, the two flanking the deep 
EUPHORBIA STICIOSPORA AND VAR. TEXENSIS.* 
sulcus columnar ; appendages three-lobed, rudimentarily one-lobed, cre- 
nate, a mere semblance to an appendage, or entirely absent. Seeds 
pinkish-ashen, elongated-tetragonal, 1.4-1.5™" long, .5"" broad, section 
more triangular than tetrangular as the ventral angle is obscure, dorsal 
and lateral angles prominent, rounded, dorsal facets concave, the ven- 
*In the cuts the portions of plants and the leaves are natural size ; the involucres 
enlarged and diagrammatic, and the seeds enlarged. 
1898 ] 265 
