1898] EUPHORBIAS OF DR. PALMER'S DURANGO COLLECTION 17 
The determination of this species must be considered pro- 
visional. 
EUPHORBIA LASIOCARPA Klot. Nov. Act. 19:suppl. 414. 
In addition to Bois- 
sier's description of this 
Species, in. DC. Prod. 15: 
23, might be given the fol- 
lowing characters : Stipulis 
interpetiol. roseate beneath, 
brevis triangularibus 2 to 
3-fimbriate at the apex. 
Semine brownish red ovato- 
quadrangulo, 1.1™™ long, 
0.7™" broad, the ventral 
surface convex, the dorsal 
triangulo-convex. The anastomosing ridges on facets of this 
Species. are much more prominent than in &. Presi. and the 
angles more obtuse. 
Nos. 198 and 199 of my collection (Yucatan Allison V. Armour 
Exped. 1895 ) belong tothis species, not to £. hypericifoliaas givenin 
Contrib. 1: 27, Field Col. Mus. Bot. Dr. Arthur Schott returns the 
species from Merida, and Dr. Gaumer from Izamal (882), Yucatan 
EUPHORBIA LINEATA Watson, Proc. Am. Acad. 21: 455. 
Leaves short petiolate, more 
crenate than serrate, stipules 
lanceolate-aristate on the upper 
side of the branch, lanceolate- 
fimbriate on the under side. 
The involucral lobes of the type 
are not ‘‘lacerate’”’ but triangu- 
lar-hairy, the hairs appearing 
like lacerations, the glandular 
appendages are small, oblong 
entire or I to 3-notched at the 
apex. The fifth gland is repre- 
sented by a deep sulcus be- 
tween the two larger involucral 
