292 Order 44.— VITAOBiE. 



nut. — Unarmed shrubs, erect or climbing. Lvs. pinnate-veined, with 



many veihlets. Panicles terminal. 



B. yolCibilis DO. Climbing, glabrous; lvs. ovate, straigbt-veined, repandly ser- 

 rate; fls. S J.— Southern States, common in damp, rich soils. St. very supple 

 and tough, climbing 10 to 20f, with smooth, reddish bark and pendant branches. 

 Lvs. about 2' long, with 10 to 13 pairs of veinlets, smooth and shining. Pani- 

 cles small, terminating the branchiets. Drupe dark purple, 3" long, the nut hard 

 and woody. May, Jn. 



4. SAGERItIA, Brongn. (Named for M. Sageret, a French florist 

 and veg. physiologist.) Calyx 5-cleft ; petals 6, convolute ; sta- 

 mens 5 ; ovary partly immersed in the entire disk ; style short and 

 thick, with a 3-lobed stigma ; berry 3-celled. — Shrubs with the slender 

 branches often spiny, and the lvs. opposite. Fls. in rigid, interrupted 

 spikes. 



S. Michduzii Brongn. Branches at length spiny; lvs. ovate or oblong-ovate, sub- 

 sessile, shining and subentire ; fls. very small, in panicled spikes ; petals minute, 

 entire; berry 3-seeded. — Car. to Ha. along the coast. Shrub much branched, 

 ivs. 1' or more long, the veinlets few and obscure, shining above. Oct., Nov. 



Order XLIV. VITACE^. Vines. 



Shnibs with a, watery juice, tumid nodes, and usually climbing by tendrils; 



flowers small, regular, racemous, often polygamous or dioecious; calyx minute, 



truncated, the limb obsolete or 5-toothed; petcds hypogynous, valvate in sstivatioH, 



as many as and opposite to the stamens ; stamens 



inserted on the disk which surrounds the 2-celled, 



J|^iij[£|^ ^^^^-r~3 1-styled ovary. Fruit a berry, usually 4-seeded; ' 



seeds, bony, albumen hard. (Fig. 449.) 



6S7 \i^ .J'^^rfp^^^^^ Genera 7, species 260, natives of the warmer parts of 



^w r^ ^ffS.~TA*:iA both hemispheres. The grape fruit is the only important 



production of this order. The acid of the grape is tartaric. 

 It contains a sugar which differs from the common sugar 

 in containing a smaller quantity of carbon. 

 68T Flower of T. Labrusca. 



i. VITIS, L. Grape Yines. (Celtic ffwyd, 

 a tree or shrub.) Petals deciduous, coher- 



t= ^SHO^^i^^ f^^ ^"S ^* ^^^ ^°P' °^ distinct and spreading ; 

 ovary partly enclosed within the torus, 2- 

 celled, cells 2-ovuled ; stigma sessile, capi- 

 tate ; berry 1 -celled, 1 to 4-seeded. Ped. 

 often changed into tendrils. 



% Petals cohering at top and falling without expanding. 



Leaves hoary or rusty arachnoid-tomentous beneath Nos. 1, 3 



Leaves glabrous except the veins and green both sides Nos. 8, 4, 7 



9 jremis iree at top, unally expanding and falling. 



Leaves simple, aflgular or not No. 5 



Leaves biplnnate or ternate No. 6 



Exotic species No. 7 



1 V. labrusca L. Lvs. broad-cordate, angular-lobed, hoary-iomentous be- 

 neafh; berries large. — ^This vine is native through the TJ. S., growing in woods 

 and groves. Like most of the N. Am. species, the flowers are polygamous. 

 St. woody, rough-barked, ascending trees often to a great height, and hang- 

 ing like cables suspended from the branches. Lvs. very large, somewhat 3- 

 lobed, at first white-downy beneath. Fls. small, green, in panicles with a leaf 

 opposite. Fr. large, purple, often green or red. It is valued in cultivation for 

 its deep shade in summer arbors, and for its fruit, which is pleasant in taste. 

 The Isabella and Catawba, and other sorts known in gardens and vineyards are 

 varieties of this species. J 

 ■2 V. seetiv^Ua L. Lvs. broadly cordate, 3 to 5-loiei orpalmate-eiiiuate,oo!i3:self 



