134 COMMON CANADIAN' WILD PLANTS. 



58. CASTA'NEA, Tourn. CHESTNUT. 



C. VCSCa, L., var. America'na, Michx. (C. mlgaris, var. 

 Americans, A. DC., in Macoun's Catalogue.) (CHESTNUT.) A 

 large tree. Leaves oblong-lanceolate, pointed coarsely and 

 sharply serrate, acute at the base. Nuts 2 or 3 in each bur. 

 South-western Ontario. 



3. FAGUS, Tourn. BEECH. 



F. femigin'ea, Ait. (AMERICAN BEECH.) A very common 

 tree in rich woods, the branches horizontal. Leaves oblong- 

 ovate, taper-pointed, toothed, the very straight veins terminating 

 in the teeth. 



4. COR'YLUS, Tourn. HAZEL-NUT. FILBERT. 



1. C. America'na, Walt. (WILD HAZEL-NUT.) Leaves round- 

 ish heart-shaped. Involucre, spreading out above, leaf-like ami cut- 

 toothed. Chiefly in south-western Ontario; in thickets. 



2. C. rostra'ta, Ait. (BEAKED HAZEL-NUT.) A rather common 

 shrub, easily distinguished from No. 1 by the involucre, which /.s- 

 prolonged into a narrow tube much beyond the nut, and is densely 

 bristly -hairy. 



5. OS'TRYA, Micheli. HOP-HORNBEAM. IRON-WOOD. 

 0. Virgin'ica, Willd. (IRON-WOOD.) A slender tree with 

 brownish furrowed bark. Leaves oblong-ovate, taper-pointed, 

 sharply doubly serrate. Fertile catkin like a hop in appearance. 

 Wood very hard and close. Rich woods. 



6. CARPI'NUS, L. HORNBEAM. 



C. America'na, Michx. (BLUE or WATER BEECH.) Small 

 trees with furroiced trunks and close smooth gray bark. Leaves 

 Ovate-oblong, pointed, doubly serrate. "Along streams. Resem- 

 bling a Beech in general aspect, but with inflorescence like that 

 of Iron-wood. 



ORDER LXXXVI. MYRICA'CEJE. (SWEET-GALE F.) 



Shrubs with monoecious or dioecious flowers, both sterile and 

 fertile ones collected in short catkins or heads. 7,rm\ ////// 

 resinous dot*, usually fmyrant. Fruit a 1 -seeded dry drupe or 

 little nut, usually coated with waxy grains. 



