Trees, Shrubs and Vines 



105. Clammy Locust. (Robinia viscosa.) 



Leaf : $'-12', odd-pinnate, alternate ; leaflets, 11-21, i}^'-2* 

 long, oblong or ovate, entire, apex mucronate, stemmed. Flower : 

 rosy-white, sweet-pea-shaped, in dense clusters, slightly fragrant, 

 middle of June ; leaf-stems and branchlets sticky. Virginia ; 

 widely cultivated ; low tree and shrub ; sonietimes prickly, 



106. Yellow-wood. (Cladrastis tinctoria.) 



Leaf: io'-i6', odd-pinnate, alternate; leaflets, 7-11, 4-6' 

 long, entire, oval or ovate, end-leaflet larger. Flower : white, 

 sweet-pea-shaped, in long, showy terminal racemes ; June ; 

 smooth bark. Kentucky ; cultivated. (PI. XL) 



107. Kentucky Coffee-tree. Stump-tree. (Gymnocladus 

 canadensis.) 



Leaf : I'-s", doubly pinnate, alternate ; leaflets (on each par- 

 tial leaf-stem), 6-12, about 2' long, entire, ovate ; a pair or two 

 of simple leaflets at base. Flower : greenish-white, small ; the 

 staminate in clusters 3'-4' long, the pistillate clusters io'-i2' 

 long ; June ; pod, 6'-io' long. Range : west New York to Illi- 

 nois, and southwest, but rare ; cultivated. (PI. XIIL) 



108. Poison Sumach. Poison Dogwood. (Rhus venenata.) 



Leaf: 7'-i4', odd-pinnate, alternate; leaflets, 7-13, 2-4' 

 long, entire, oblong or obovate, apex sharp or slightly tapering. 

 Flower : greenish- white, or yellowish-green, small, in loose 

 clusters ; June. Fruit : white berries ; swamps ; low tree, 

 oftener a shrub ; very poisonous, (PI, XIL) 



109. Shagbark Hickory. Shellbark Hickory. (Hicoria 

 ovata.) 

 Leaf: 6'-i8', odd-pinnate, alternate; leaflets, always 5, end 

 one largest with stem, other 4 almost or quite stemless, lowest 

 pair much smaller^ all finely serrate, lance-oblong or lance-obo- 

 vate, apex tapering, roughish below ; stem rough ; bark peeling in 

 longitudinal strips, but clinging to trunk ; 4-valved husk very thick 

 {j4') ; only valuable hickory-nut, except pecan-nut. (PI. XL) 



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