310 PITTONIA. 
ward to northern California. It is not infrequent as far east- 
ward as northern Idaho, but in the intervening mountain dis- 
tricts runs into the two marked varieties or subspecies indicated. 
The variety /ancifolia is from the Chilliwack Valley, being 
represented in n. 34,367 of the Canad. Gwol. Surv., collected by 
Mr. J. W. Macoun. 
That which I deSignated as variety nigra (in all likelihood a 
species ) is from the upper Nesqually Valley, Washington, by 
O. D. Allen, the type in U. S. Herb. -. 
O. osptusa. Habit of O. cerasiformis, with foliage of like 
thin texture and as large, but in outline oblong, not tapering 
cuneately, very obtuse, abruptly mucronate rather than cuspi- 
date, whitish-veiny on both faces, uncommonly pale beneath 
and quite glabrous in age, perhaps pubescent when young; 
drupes not more fleshy than in O. cerasiformis. 
At middle elevations in the foothills of the Sierra Nevada, 
Calif.; type George Hansen’s n. 211 as in U. S. Herb. On the 
characters of the foliage alone this must be held as more than 
a mere variety of the last. 
O. BRAcTEOSA. Habit of the foregoing: leaves large, com- 
monly 3 to 5 inches long, of very firm texture, exactly ellipti- 
cal, acute but hardly either mucronate or cuspidate, very smoot 
and glabrous above, beneath scarcely paler and in no degree 
glaucous, but with a minute and sparse pubescence that is rather 
hirtellous than villous: fruiting racemes large and ample, the 
pedicels an inch long, subtended by rather narrow acuminate 
bracts almost as long: neither flowers nor mature fruit seen. 
Salt Creek, Kaweah, Tulare Co., Calif., 25 April, 1895, Alice 
Eastwood ; type in U. S. Herb. Thoroughly distinct from all 
other species not more by its long bracts than by texture, gen- 
eral outline and peculiar pubescence of its foliage. 
O. DEMISSA. O. cerasiformis, Greene, Man. 110, mainly, not 
' of Pitt. ii. 191. Low shrub, the stout rigid upright or ascend- 
ing branches densely leafy and copiously floriferous, the whole 
