56 CONTRIBUTIONS TO WESTERN BOTANY 
to the external shape of the pods and are 4 mm. shorter than the 
cells. This has the habit of C. Magdalenx Millsp. but grows at 
higher clevations in the same life zone, 
Jatropha spathulata Muell Arg. seems to have two marked 
forms, one with globose pods is rare, the other has didymons pods 
and spherical seeds half as long as the usual form. I do not con- 
sider the var. sessiliflora M. A. as vali d, My ne. "27506 from the 
Cape with knotted stems is the common form. No. 275 sf from 
the Borego ranch is less knotted and with longer leaves. No. 
27607 from Triunfo is not knotted. There are cenutanitie forms 
with only 2-celled pods that are confusing, 
atropha decipiens n. sp. No. 27828, La Barranca 
Guadalajara, Nov. 25 1930, A tall bush 6-8 ft. high, with long 
and slender branches and short panicles in the upper axils, Leaves 
4-5inches long, smooth, entire, oe shortly cuneate below 
into a stout petiole 1 em. long, abruptly triangular-acuminate at 
tip, thin, feather-veined, opposite. Fruits fleshy, yellow 1- 1. Sem. 
wide and 1 em. long, either globose and single seeded or 2-celled 
and somewhat didymot ous. Seeds either spherical or éohsplousieds 
flattened on the commissural side. rohit a cluster of ra- 
bas 
Buiddleia corrugata n. sp. Gee? 27361, Arroyo Undo, S.- 
erra Giganta, Oct. 26 1930. A slender and openly branched shrub 
a few feet high, with dark bark and white- woolly-stellate twigs 
and leaves. Leaves 1-2 inches long, reticulate below, deltoid-cu- 
below into a very short petiole, coureel y and strong] y few-t othe d 
very obtuse, oblong. ovate, inabout 3-4 pairs on the short season’s 
twigs. Flowers few, in small and mac Leite arranged racemose: 
ly at the ends. Meads -23, Flowers very small. 
oranthns anomalus n. sp. No. 2733), La Barranca, 
Guadalajara, Nov. 171939. An olive- green shrub 2-3 fs. long, 
wit] woody stems nd filiform branches, With scattered, smooth. 
and entire leaves, 2-3 inches long, shortly acuminate at both ends 
e lower ones in racemes and on pedicels about 
tear ee: the others in catkins an inch or less long which ara 
sae inies on the miin eae All flowers aeons 2 ferti = 
Mortonia aspera .n sp. No. 27502, Arroyo Undo, Sierra 
Giganta, Oct. 251930. A rigidly Brinched: but aC OpTEOAG shrub 
4-6 ft. high, with dark brown bark becoming grayish-striate on 
the pubescent twigs. Leaves alternate and inclined to be fascialed 
on low warts, about an iach long, nearly oval bat with short and — 
yery pubescent petiole. Leaves. yallowish, thick, 3-nervedl, entire — 
6b: 
