362 PROCEEDINGS OF THE AMERICAN ACADEMY. 
XVII. 
CONTRIBUTIONS FROM THE GRAY HERBARIUM OF HARVARD 
UNIVERSITY, NEW SERIES, NO. VIL 
FURTHER NEW AND IMPERFECTLY KNOWN PLANTS 
COLLECTED IN MEXICO BY C. G. PRINGLE IN THE 
SUMMER OF 1893. 
By B. L. Rosinson anv J. M. GREENMAN. 
Presented April 11, 1894. 
PoLYGALA PUBERULA, Gray, var. OVALIS. Low, 1-3 inches in 
height: leaves all oval or slightly obovate, very obtuse, apiculate, 6-8 
lines long, half to two thirds as broad, purplish beneath: racemes 
scarcely exceeding the leaves, more closely flowered than in the type ; 
pedicels ascending. — Collected in damp hollows of hills near Guada- 
lajara, Jalisco, 22 May, 1893 (no. 4472). 
Anopa wastata, Cav, A form apparently of this species, but 
with flowers orange-yellow instead of purple, has been collected by 
Mr. Pringle in the barranca of Tequila, 2 October, 1893 (no, 5454). 
Except the color, however, no characteristics in the specimens in 
question form satisfactory specific or even varietal distinctions. 
Stipa caupatirotia. Stem terete, over two feet in height, tomen- 
tulose, and villous with spreading white hairs . ieaves ovate, cordate, 
Serrate-dentate, long-attenuate, somewhat pruinous-pubescent and soft 
to the touch above, paler and velvety tomentose beneath, about 
9-nerved, 5 inches long, 2-3 inches broad, upon villous petioles of 
nearly equal length ; floral leaves lanceolate to linear : lower flowers 
axillary and solitary ; the upper paniculate ; pedicels 9-18 lines long: 
calyx slightly angulate, densely pubescent, not accrescent; segments 
vate, acuminate: petals yellow, 4-5 lines long: carpels 5, slightly 
and bluntly beaked at the apex. — Collected in the barranca of 
Tequila, 13 October, 1893 (no. 5445). 
Daea FILICIFORMIS. Root thick, fusiform, yellow: stems sev- 
eral, much branched, shrubby below, glandular-punctate above : leaves — 2 : 
delicate, 8-10 lines in length, 17-37 foliate; leaflets very small, 3 line 
