DECEMBER 27, 1910] THE Oaxs'or MovNT Apo 939 
or twigs, rather ascending; acorn elongated, at least 1 inch 
long; its cup. shallow, green and covered with soft yellowish 
brown hairs. This tree grew no more than thirty feet from 
Q. mindanaensis. Elm., number 11922 and apparently is the 
same as to foliage and general appearance, The acorns however 
are much longer, even: the smaller ones. The fruits of both 
trees were ‘mature, as the ground was covered with them, 
The Bagobos also call it ''"Ulayan.?? 
Represented by number 11923, Elmer, Todaya (Mt, Apo), 
Mindanao, October, 1909. 
Quercus caudatifolia Merr, 
Field-note;—Small tree, 30 feet high, with a 1 foot thick 
stem, on a wooded ridge at 3500 feet on the Talon side of the 
mountain range; bark gray and somewhat mottled, checked 
longitudinally; wood whitish, streaked with the characteristic 
black-oak vessels, odorless and tasteless; the main branches 
arising from below the middle, widely spreading, densely cover- 
ed with whitish lenticels; twigs numerous, slender and lax, 
green; leaves copious, descending, shallowly conduplicate on 
the upper bright green and lucid surface, subchartaceous, 
beneath much lighter green, the nerves covered with a fine 
yellowish brown tomentum, tips strongly recurved; inflorescence 
yellowish white, erect, with an oak odor, slender; fruits 
upon 3 to 5 inches long spikes, ascending, arising terminally 
from the second or third year old branchlets; cups yellowish 
brown, thin; acorns cone-shaped, 0.5 inch long, dark green 
and covered with a fine yellowish brown tomentum, apex 
prominent or rather sharp. ‘‘Ulayan’’ is the Bagobo name. | 
Represented by number 11884, Elmer, Todaya (Mt. Apo), 
Mindanao, September, 1909. 
Quercus cyrtorhyncha Miq. 
Field-note for 11299: —4 60 feet high tree, in forests along 
a stream near the Sibulan river at 2000 feet; branchlets nu- 
merous, lax, forming a flattish crown, the main branches arising 
from near the middle and ascending; leaves ascendingly recurved, 
flat or shallowly conduplicate on the upper dull green sur- 
