1918] ? SARGENT—QUERCUS 435 
“ QUERCUS ALBA var. latiloba, n. var.—Differing from the type 
in its leaves less deeply divided into broad rounded lobes and in its 
usually smaller fruit. 
3. The tree with obovate leaves with margins undulate or 
slightly lobed with broad rounded lobes. This is the Q. alba 
(repanda) of MicHaux (Hist. Chénes Amér. pl. 5. fig. 2. 1801). 
According to MicHaux this form of the white oak was common in 
his time in the Carolina forests, but I have never seen but one tree, 
and this is growing by the side of the road between Springfield and 
Ponchatoula in Tangipahoa Parish, Louisiana, where Professor 
Cocks and I found it on March 29, 1917, just as the staminate 
flowers were falling and when the tree was very conspicuous from 
the thick coat of silvery white tomentum which covered the lower 
surface of the half-grown leaves. Cocks collected fruiting speci- 
mens from this tree on October 3, 1917, when the leaves were 
glabrous, rounded at apex, undulate or slightly divided on the 
margins into short broad rounded lobes. The fruit is raised on a 
peduncle 1 cm. long and is 2.5 cm. in length, with unusually thick- 
ened turbinate cup-scales. A specimen ex herb. H. A. Gleason, 
without fruit, on which some of the leaves were of this form, was 
collected by G. P. Clinton at Herod, Illinois, in April 1808. 
QUERCUS AUSTRINA Small, Fl. Southeastern U.S. 353. 1903.— 
In the original description of this tree it is said to attain a height of 
15 m., with a trunk diameter of about 1m. The bark is described 
as rough and the leaves as ‘‘ whitish tomentulose but soon becoming 
glabrous and more or less glaucous beneath.”’ River banks, Georgia 
and Alabama, are given for the range. 
It is probable that this description of the young leaves was made from 
a specimen of Q. Durandii Buckl., which often grows with Q. austrina, for the 
young leaves of 0. Durandii are white-tomentulose on the lower surface, while 
those of Q. austrina are always green and glabrous. Trees of Q. austrina are 
often 20-25 m. and occasionally 30-35 m. high, with trunks 1 m. in diam- 
eter. It ranges from the coast of South Carolina to western Florida, 
central Alabama, and central Mississippi, and although not generally dis- 
tributed is not rare. The earliest specimens which I have seen were col- 
lected at Bluffton, South Carolina, in 1883 by MELLIcHaMP, who considered 
it a hybrid. 
It has been suggested (AsHE in Proc. Soc. Am. Foresters 11:89) that this 
is the Q. sinwata Walter (Fl. Car. 235), the leaves of which were described as 
