CUPT*LTFK I ?.!;. 1.).'5 



s witk a fringed border. Peduncle in fruit loa< / tltna tin 

 petiole. Low grounds. 



4. Q. Pri'nus, L. (CHESTNUT OAK.') A small tree. Leaves 

 minutely downy beneath, the main reins 10-16 pairs, sinuate- 

 toothed, acute or obtuse at the ba.se. Pcdmi'-fe shorter than the 

 petiole. Cup hemispherical; acorn as in the last. Lake Erie 

 coast. 



Var. hu'milis, Marsh, (Q. prinoides, Willd., in Macoun's Cata- 

 logue) is much more abundant with us than the species itself. It 

 has the characters of the species, but is a shrub, 2-4 feet high. 

 Fruit sessile or nearly so. 



Its ripeninj the, second year, and therefore borne on the previous year's 

 ivood, below the leaves of the season. Lobes or teeth of the leaves '>. 

 tiled. 



5. Q. COCCin'ea, Wang. (SCARLET OAK. ) A large tree. Leaves 

 bright green, shining above, turning red in autumn, rounded at 

 the base, deeply pinnatifid, the lobes divergent and sparingly 

 cut-toothed. Bark gray outside, reddish inside. Cup top-shaped 

 or // mispherical with a more or less conical base, covering half or 

 more of the rather small acorn. 



Var. tincto'ria, Gray. (Q. tinctoria, Bartram, in Macoun's 

 Catalogue.) (QUERCITRON, YELLOW-BARKED, or BLACK OAK.) 

 Leaves usually less deeply pinnatifid, slender-petioled, rather 

 rounded at the base, rusty-downy when young, smooth and 

 shining above when mature, often slightly pubescent beneath, 

 turning brownish, orange, or dull red in autumn. Cup as in the 

 species, but the bark darker and rougher and yellow or orange 

 inside. Western Ontario; mostly in dry soil, but occasionally 

 in moist places. 



6. Q. rubra, L. (RED OAK.) A large tree. Leaves moder- 

 ately pinnatitid, turning dark-red in the autumn. Cup saucer- 

 shaped, sessile or nearly so, very much shorter than the oblong- 

 ovoid acorn. Rich and poor soil. 



7. Q. pallistris, Du Roi. (PiN OAK.) A medium-sized tree. 

 Cup flat-saucer-shaped, very much shorter than the ovoid-ylobose 

 acorn, which is about half an inch long. Leaves deeply pinnati- 

 fid, with divergent lobes and rounded sinuses. Niagara district 

 and south-westward. 



