342 



FAGACEAE (BEECH FAMILY) 



680. Q. rubra. 



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 Pm 

 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. coccinea Muench. 

 (SCARLET O.) Cup top- 

 shaped, or hemispherical 



with a conical base (1.5-2.2 A01 ^ , 4 



cm. broad), coarsely scaly, 681> Q " palustns ' 



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. texana Buckley. (RED 

 O.) Cup deeply saucer-shaped or 

 somewhat 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 



682. 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. 



15. 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. Q. ellipsoidalis. 



