,430 FAGACEAE 
beneath, or with these sometimes nearly or quite hairless, bright-red in Re pin- 
nately. 5-7- lobed, the lobes id PE acorn sessile E short-stalked ; 
adl 
eup broadly or shallowly p. , 19-20 mm. wide, more or less d ed 
at the base; nut ovoid or ellipsoid -ovoid, mos tly 10-20 m ae ng.— (SCARLET- 
OAK. SPANISH-OAK. RED-OAK.)—Dry woods and hillsides, various provinces, 
Ga. to Nebr., Ont., and Me. 
Q. laevis Walt. Tree becoming 20 m. tall, the bark gray or bluish- 
A m prominent ridged and broken into thick scales or blocks: leaf-blades 
elliptie to in outline, 9—20 cm. long, glabrous, except the tufted vein 
axils Pea prm veiny, reen both sides, deeply pinnate-lobed, red 
in fall, the lobes elliptic, ovate, or usually lanceolate, often curved: acorn 
_Short-stalked; cup broadly turbinate, puse m rather flat, 25-30 mm. wide 
with incurved scales; nut ovoid, 20—25 mm. loge. [Q. Catesbaei Miehx J 
(SAND BLACK-JACK. URKEY-OAK.  FORKED-LEAF. SCRUB-OAK.)— p ry 
e and acid sand-ridges, Coastal Plain and rarely Piedmont, 
Va.—Hybridizes with Q. cmerea=xQ. Ashe; with Q. rubr i uf. 
NR with Q. laurifolia = x Q. Mellichampi; with Q. nigra x Q. Walteriana. 
37. Q. marilandica Muench. Tree becoming 20 m. tall the bark iini 
brown or nearly blaek, broken into vi imd Pe or blocks very rough 
leaf-blades broadly or na rrowly obovate in outl 8-17 cm. long, 3-5- lobed 
ith ingle dilated iter minal lobe, bro ae uber. 'benea i ped 
sessile or short-stalked; cup turbinate or arc urs 6—20 
wide; nut subglobose or ovoid, 10-20 mm. long. [Q. a L.]— (BLACR- 
JACK. BARREN-OAK, IRON-OAK. SCRUB-OAK.)—Dry clayey Toky soil, vari- 
ous provinces, d Blue Ridge, » E to Tex Minn S CY 
Hybridizes with Q. cinerea=xQ. rolinensis; with Q. po es x Q. 
Smallu; with Q. P cd = X e tr pie with 9. velutina =x Q. Bushii; 
with Q. ” Phellos = x Q. Rudkin 
. Q. A ues Sarg. Tree sometimes with crooked trunk becoming 15 
m. > ual, k gray, brown, or nearly pe with long "uud wed ridges: 
leaf- blades o. rhombic-cuneate or rh mbie -obovate, 6-15 cm. long, 
broadly 3-lobed near the apex, deep-green Se slightly ee Ah beneath, 
glabrous at aped n dh the baited vein-axils bru E slender. 
wid 
petioled: pede sessil early so; cup saucer-shaped, e; n 
ovoid, 10-15 lon n tQ. caput rivuli Ashe) Sandy 7 river aen buffs 
and amok. Coastal Plain, W Fla. to Ark 
39. Q. velutina Lam. Tree becoming 50 m. tall the bark dark-brown or 
nearly blaek, the broad eae with aera scales: leaf-blades m or 
obovate in outline, 10-30 cm. long, usually rusty-pubescent beneath, pinnately 
lobed, the lobes coarsely | bristle. toothed: acorn a Or nearly S0; cup turbinat 
or hemi ispheri ne rbin 20— E mm. long. [Q. t ahs Bartr. Q. coccinea 
tinctoria A. Gray ee OAK. YELLOW-BARKED OAK. Quencimnos, oH a 
Dry, prp Sen or rocky oi, various provinces, N Fla, to E Tex., 
Ont., and Hybridizes with Q. Phellos =x Q. dubia; with 9. eva x vm 
podophylla v petiolaris Ashe); with. Q. mau dca xQ. Bus 
40. Q. ru ues L. Tree becoming 40 m. tall, the bark blackish with broad scaly 
ridges: leaf-blades ovate or oval in outline, finely tomentose with yellowish- 
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shaped | m Sprang and 3-lobed at the apex in Q. rubra triloba), turning 
br : acorn short-stalked; cup flat- aa or saucer-shaped above 
the. turbinate bs ase, 15-18 mm. wide; nut subglobose, 10-15 mm. long. [@. 
falcata. Michx. Q. triloba Michx. Q. digitata (Marsh.) Sudw.]—(REp-oAK. 
A aeee g )—Dry woods, often in acid soil, Coastal Plain and. occasionally 
