342 



FAGACEAE (BEECH FAMILY) 



681. Q. palustris. 



680. Q. rnbrs. 



tending to be deeper and somewhat turbinate. (Q 

 ambigua and borealis Michx. f. ; Q. coccinea, var. 

 ambigua Gray.) 



12. Q. palustris Muench. (SWAMP SPANISH or PIN 

 O.) Cup flat-saucer-shaped, sometimes contracted into 

 a short scaly base or stalk, fine-scaled, very much 

 shorter than the usually glo- 

 bose or depressed acorn, which 



is 1-1.5 cm. long ; leaves 

 deeply pinnatifid with diver- 

 gent lobes and broad rounded 

 sinuses. Low grounds, chiefly 

 on the coastal plain and in 

 the Miss, basin ; Mass, to Va., 

 w. to Kan. and Ark. FIG. 681. 



13. Q. coccin3a Muench. 

 (SCARLET O.) Cup top- 

 shaped, or hemispherical 

 with a conical base (1.5-2.2 

 cm. broad), coarsely scaly. 



covering half or more of the subglobose or short ovoid 

 acorn (1.3-2 cm. long), the scales brown, oppressed 

 and glabrate; leaves, at least on full-grown trees, 

 bright green, shining above, glabrous beneath, turning 

 red in autumn, deeply pinnatifid, the slender lobes 

 divergent and sparingly cut-toothed ; buds small; bark of the trunk gray, the 



interior reddish. Dry light soil, s. 

 Me. to Ont., Minn., and Neb., s. to 

 N. C. and 111., chiefly eastw. FIG. 

 682. 



14. Q. t ex ana Buckley. (RED 

 O.) Cup deeply saucer-shaped or 

 someichat turbinate, 2-2.6 cm. broad, 

 the light brown or ashy scales per- 

 manently tomentulose, except on the 

 margin, covering one third to one 

 half of the ovoid large (1.5-4 cm. 

 long) acorn; leaves in maturity 

 bright green and glabrous above, 

 paler and with axillary tufts of hairs 

 beneath, turning dark red or brown 

 in autumn, the 5-9 oblong lobes 



. Q. coccinea. 



slightly broadened upward and toothed at 

 summit ; bark gray, becoming in old trees 

 reddish-brown and broken into plates. 

 Bottom-lands and limestone hills, Ind. to 

 la., s. to N. C., Fla., and Tex. A 

 large tree with conspicuously buttressed 

 base. 



16. Q. ellipsoidalis E. J. Hill. (YEL- 

 LOW or BLACK O.) Cup turbinate or 

 deeply saucer-shaped, 1.2-1.8 cm. broad, 

 the pale brown or ashy scales puberulent, 

 covering from one third to more than one 



683. y. ellipsoidal*. 



