424 FAGACEAE 
Cup b coarse loosely appressed scales: buds pubes- 
ent. 
Leaf-blades broad-based, long-petioled ; lobes nearly 
or quite regular, not falcate. 35. Q. coccinea. 
DE narrow-based, short-petioled; lobes 
regular, falcate. 6. Q. laevis. 
Leaf-blades persistently pubescent beneath. 
Leaf-blades broadly cuneate in outline, more or less 
flab ellately dated. 
Acorn-cup hemispheric-turbinate, mostly over 1.5 cm 
wide, the tips of several rows of the inner scales 
pubescent, forming a kind of fringe. 37. Q. marilandica. 
5 
Ine the tips of the inner EM of scales ids 
erulent, not ER a fri e. 8. Q. arkansana. 
com un of large: ER R what lax scales. 39. Q. velutina. 
Acorn-cup of small closely appressed | - ipm 
g 
r 
5 lobes ascendin ne. 40. Q. rubra. 
pue broadly cuneate or truncate at the 
lobes spreading. 41. Q. Pagoda. 
Larger leaf lobes triangular or delto; id. 42. Q. ilicifolia. 
1. Q. alba L. Tree becoming 45 m. tall, the bark light-gray, sometim 
tinged ‘with red or brown, or nearly white, "with thin appressed seales: leaf. 
lades obovate or oval in outline, 10- 20 
em. long, bright-green th above, 
natifid to 3-9, us ; cending 
narrow usually entire lobes: acorns short 
stalked ; saucer-shap w 
spheric, with the scales woody-tuber 
culate, ide; t ellipsoid- 
ovoid, 15-25 mm. lon ng.—(WHITE-OAK. 
TAVE-OAK.)— Woods and hillsides, various 
po N Fla. to Tex. Minn, Ont. 
Me. ~ Hybridizes wi with Q. Primis = X x9. 
Beadle: with Q. stellata=x Q. Ferno 
2. Q. stellata Wang. Tree becoming 30 
dulate notched lobes: acorns often clustered; cup hemisph 
at the base, 15-20 mm. wide; nut ovoid, 15-20 
Sarg. ]—( T-OAK. IRON Dry sandy, eae! sterile and acid 
—(Pos A 
various provinces, N Fla. to Tex., Nebr. and Mass.—Hybridizes with Q. m 
tana - x Q. bernardiensis. 
3. Q. Margaretta Ashe. Shrub, or tree sometimes 10 m. tall, the bark brown 
or reddish, ridged and ipid leaf-blades oval or iq in outline, 6-9 cm. 
abo 
long, more or less p ut AU veins beneath, sinuate or shallowly 
8-5 lobed: acorn sessile o ages alked ; EUM s rbinate hemispheric, es 
em wide; nut ellipsoid to ovoid- ellipsoid, 12- m. long.—(SMALL POST- 
K.)—Sandhills and dry Er d Plin Fla. to Ala. and Ya — 
Hybridizes with Q. geminata=xQ. H 
2 Q. Boyntonii Beadle. Shrub 1-5 m. tall, the bark gray, often tinged 
wn or blaek, broken into broad pet appressed scales: leaf- 
blades cuneate in outline, often narrowly so, 5-9 em. long, with 3-7 small 
