Trees, Shrubs and Vines 



6^. Angled Cottonwood. (Populus angulata.) 

 LEAF : 2'-6', simple, alternate, serrate, triangular, base some- 

 times cordate ; branches sharply angled or winged. RANGE : 

 Pennsylvania to Wisconsin and south ; perhaps only a variety of 

 66. 



68. Lombardy Poplar. (Populus dilatata.) 

 LEAF: 2', simple, alternate, serrate, very triangular ; tree tall 



and very slender from the almost vertical direction of branches ; 

 Introduced from Europe. (PI. VI.) 



69. Loblolly Bay. (Gordonia Lasianthus.) 



LEAF : 2 ; ~3', simple, alternate, finely serrate, lance-oblong, 

 base tapering, leathery, glossy. FLOWER : white, large, single, 

 5-petaled, on axillary stems ; May-July. Virginia, swamps ; low 

 tree and shrub. 



70. Alder-buckthorn. (Frangula Caroliniana.) 

 LEAF : 3^-5', simple, alternate, very finely serrate, oblong. 

 FLOWER : small, greenish, clustered or single ; calyx-lobes, 

 petals and stamens each 5. Virginia and west ; said to be lo- 

 cally in New Jersey ; small thornless tree and shrub. 



71. White Alder. Sweet Pepperbush. (Clethra acuminata.) 

 LEAF : $'-7', simple, alternate, finely serrate, oval or oblong, 

 apex sharp, pale beneath, thin. FLOWER : small, white, in long 

 drooping racemes ; July. Virginia ; low tree and shrub. 



72. Silver-bell-tree. Halesia. (H. tetraptera.) 



LEAF : 4/-6', simple, alternate, minutely serrate, long-ovate, 



apex tapering. FLOWER : showy, white, bell-shaped, in long 



chimes, covering tree when the leaves are sjightly grown ; May. 



FRUIT: ij^' long, 4-winged. Virginia ; tree and shrub. (PL X.) 



73. Sweet-leaf. Horse-sugar. (Symplocos tinctoria.) 

 LEAF : $'-5', simple, alternate, finely serrate, long-oblong, 

 upex sharp, thickish, pale beneath, sweet. FLOWER : small, 

 yellow, fragrant (petals 5), 6-14 in cluster ; April. Virginia ; 

 tree and shrub. 



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