ORDER 114. URTICACE^E. 299 



i 



2 U. racemosa Thomas. Cork Elm. Smaller tree, with rigid branches ; branchleta 



downy, often with wing-like corky ridges ; flowers 2 4 in each fascicle, which are 

 arranged in racemes. N. H. to Wis., and S. 20 30f. 



3 V. Floridana Chapm. Tree 30 40f, with brittle branches, smooth ; Ivs. thick, 



acute ; fruit orbicular, 23", its Teeth broad and erect. W. Fla. 



4 17. alata MX. Winged Elm. Whahoo. Tree, with its branchlets here and there 



winged with 2 corky ridges ; leaves lance-oblong, acfate, 124-' ; flowers racemed ; 

 fruit downy all over, with its 2 beaks slender. 111. to Ya., and S. 



5 U. fulva L. Red Elm. Slippery Elm. Tree 20 40f; buds covered with fulvous 



down ; leaves oblong-ovate, acuminate ; flowers reddish, 7-parted, sessile ; fruit or- 

 bicular. Low grounds. Valued for its very mucilaginous liber. 



6 U. CAMPESTRIS. English Elm. A stately tree, 50 70f, with rigid branches and dense 



foliage ; leaves small, ovate ; stamens 5 ; fruit nearly orbicular. Europe. 

 /3. SUBEROSA. Branchlets with thick corky wings ; stamens mostly 4. Europe. 



7 U. MONTANA. Scotch Elm. Witch Elm. Large tree, with ample obovate, cuspidate 



leaves, rough above, downy beneath ; flowers 5-parted ; fruit oblong, 1'. Europe. 



2. PLANERA, Gmel. Fls. $ $ ? . Cal. lobes and sta. 4 or 5. tttig. 2, 

 oblong, diverging ; ova. 1-celled, fruit 1-seeded, wingless, indehiscent. ^> 

 P. aqua, tic a. Gm. Tree 30 40f, elm-like, with small smooth, ovate, acute, serrate 



leaves and axillary flowers in clusters of 2 5 ; nut roughened. Swamps, S. 



3. CELTIS, Tourn. NETTLE TREE. SUGAR-BERRY. Fls. $ 5 $ , the 

 $ 6-parted and the $ 5-parted. Sty. 2, elongated, spreading. Drupe glo- 

 bular, f) *) Leaves mostly oblique at base. Flowers subsolitary. Fig. 816. 



1 C. occidentalis L. Tree 30 70f, with wide-spread branches ; Ivs. ovate, snbcor- 



date, acuminate, serrate, rough-hairy beneath ; ped. longer than the petiole ; sepala 

 triangular-ovate, erect, white ; drupe 3", dark purple. Woods, &c. 



/3. crassifolia. Leaves cordate, thick, mottled with dark and light green. 



y. Integri folia. Leaves smooth, subentire ; bark smooth. \V. and S. 



2 C. piimila Ph. A straggling shrub, 3 lOf, with broad-ovate, acute, smooth, ser- 



rate leaves ; calyx of 6 oblong-linear spreading segments, 2". Woods, S. 



4. FICUS, Tourn. FIG. BANIAN. Fls. <9 , minute, fixed upon the 

 inner surface of a hollow receptacle. $ Calyx 3-parted, sta. 3. 9 Calyx 

 5-parted, ovary 1, sepcl 1. Fruit (sycouus) composed of the enlarged, fleshy 

 receptacle enclosing the numerous dry, imbedded achenia. Fig. 195. 



1 F. CARICA. Common Fig. Leaves cordate, 3-5-lobed, repand-d<>ntate, rough and 



downy ; fig pear-shaped. From Asia. A shrub in our conservatories, a small tree S. 



2 F. ELASTICA. India-rubber Tree, in the greenhouse, with a straight, simple trunk, 



and very large (810'), shining, thick, oblong leaves. E. India. 



3 F. REPENS. Creeping on walls, &c., with ovate, cordate, acute, serrate Ivs. E. India. 



4 F. INDICA, the Banian ( 207), with many trunks, may grow South. 



5. MACLURA, N. OSAGE ORANGE. Flowers $ $ , the $ racemous, 

 calyx 4 parted. 2 Flowers in a dense globular head. Calyx 4-sepallecl, 

 fleshy, finally embracing the obconic achenium, all ripening into a globu- 

 lar sorosis, resembling an orange. Style terminal. *> Juice milky. Leaves 

 alternate, entire. Branches with sharp spines. Fig. 298. 



IK. auraiiti aca. Lvs. shining, ovate-oblong, thickish, pointed ; fruit yellow when 

 ripe, lactescent, pendulous. Arkansas. Planted for hedges. May, June. 



6. BROUSSONETIA, L'Her. PAPER MULBERRY. Fls. $ ? , in amente 



