152 Robinson and Greenman— Mexican Plants. 
greatly in size, the larger an inch in diameter on_ petioles of 
equal length ; the blade cordate, orbicular in outline ; the margin 
shallowly and palmately sinuate-lobed and lobes toothed: heads § 
to 9 lines in diameter.—Collected by C. G. Pringle, growing In 
crevices of dry cliffs, Tomellin Cation, Oaxaca, altitude 8,000 
feet, 22 December, 1894 (No. 6117). A plant nearly allied to 
Alomia, but differing in the form and arrangement of its leaves, 
larger heads, and flattened achenes. From Trichocoronis \t 
differs among other characters in its chaffy receptacle. 
eration HBK. var.? pEcuMBENs, Stem _ strongly 
October, 1894 (No. 4974). Perhaps distinct from but very nearly 
related to this species. : 
Evparorium Prinecer. Fruticose, 8 to 12 feet hig 
setose: heads 5 lines long, about 33-flowered : involucra a 
lanceolate-oblong, acute, dark-purple, ciliated, glandular-toment 
lose an 
d not striate, loosely imbricated, sub-biseriate and not 
- roseate a8 
n Sierra de 
San Felipe, Oaxaca, altitude 9,500 feet, 24 December, 1894 Sha 
6118). Resembling EZ. Rafaelense Coulter, but differing in 
deltoid leaves, truncate at base, and in its thicker densely 
racts 
PATORIUM COLLopES. Fruticose: essentially g a 
more or less glutinous, 2 to 3 feet high: branches striate-a0g 7 
late: leaves opposite, ovate, closely sessile, acuminate, roa oy 
at base, sharply and finely serrate or serrulate, often purpis 
tinged, paler beneath, 3-nerved, commonly somew ad 
12 to 16 lines long, a little more than half as broad, of rath ‘etl 
texture: corymbs many-headed ; pedicels rather short : bract 
small with revolute tips: heads 20-25-flowered, purplish : ‘re 
of the involucres in 2 to 3 series, linear, attenuate, ciliate, purp 
tipped: flowers considerably exserted, in dried state W a 
roseate: young achenes minutely ciliate on the angles.—Collee “ 
by C. G. Pringle, on hills, Las Ca Oaxaca, altitude 6,000 *¢ 
1 October, 1894 (No. 4941). te 
CKELLIA NuTANS. Tall, 5 to 8 feet high: stems i 
striate, a pubescent: leaves chiefly opposite (only sa 
uppermost alternate), broadly ovate, acuminate, cordate, serratts 
