282 



Obdsr 44.— VITACEjE. 



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



many voinlets. Panicles terminal. 



B. voliibilia DC. Clunbing, glabrous; Its, ovato, Btraight-reined, repandly ser- 

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

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

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

 cles small, terminating Iho brancbleta. Drupe dark purple, 3" long, tho nut hard 

 and woody. May, Jn. 



4. SAGERETIA, Brongn. (Named for M. Sageret, a Treiich florist, 

 and veg. physiologist.) Caly.x 5-cleft ; petals 5, 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 hs. ojjposite. Fls. in rigid, interrupted 

 lipikes. 

 S. MichSiuxii Brongn. Branches at length spiny ; lv.s, ovate or oblong-ovate, sub- 



eessile, shining and subentiro ; fia. very small, in panicled spikes ; petals minute, 



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



Lvs. 1' or more long, tlie veinlets few and obscure, shining above. Oct., Nov. 



Order XLIV. VITACEJi. Vikes. 

 Shi-ubs with a watery juice, tumid nodes, and usually climbing by tendrils; 

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

 truncated, the limb obsolete or 5-tootliod; petals hypogynous, valvato in ajstivatioB, 

 as many as and opposite to the stamens ; stamem 

 Inserted on the disk which surrounds the S-celled, 

 ■J „, !«. c-vi:*' £'-^-3' 1-styled ovary. Pruii a berry, usnally i-seedod ; 

 seeds, bony, albumen hard. (Fig. 4.49,) 

 O'TT \^ J ^^Tw^c^^^ Genera 7, species 2C0, natives of the warmer parts "i 



i^ /!?^^^i^\P"T^ both hemispheres. Tho grape fruit ia the only imi>orUiiit 

 "^^^ production of this order. The .acid of the grnpo is tartft-i' . 



It contains a 6U2:av wliich differs from the wjmmon eujpj- 

 in containing n smaller quantity of carbon. 

 S^ 6ST Flower of V. Labrasca. 



^VJ' (\'l/^^^ ^' VITIS, L. Grape ViNKS. (Celtic <7tt)//(i!, 

 '•r^^^^^^ a tree or shrub.) Petals deciduous, coher- 

 ing at the top, or distinct and spreading ; 

 [ \%| ovary partly cncloacd within the torus, 2- 

 (-, \)'*WSr' " "^"^4 celled, cells 2-ovuIed ; stigma sessile, capi- 

 ■? a' ^S' tate ; berry 1-celled, 1 to 4-seedcd. Ped. 



often changed into tendrils. 



§ Petals cohering at top and falling without expanding. 



Leaves hoary or rusty arachnoid-tomentous beneath : Nos. 1, 'I 



Loaves glabrous except the veins and greeu both sides Nos. S, 4, 7 



% Vetals fceo at top, finally expanding and fallijig. 



I.eaves simple, angular or not No. 5 



Leaves bipinnato or tomato No. fi 



Kxotic species Nu. 7 



1 V. labrtiaca L. Lv3. broad-cordate, angnlar-loied, hoary-iomenio'as be- 

 neath; berries large. — This vino is native through tho U. S., growing in woods 

 ;uid grovof?. Like most of the N. Am. species, the flowers aro polygamous. 

 iSt. woody, rough-barked, a,soonding 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. largo, purple, often greeu or rod. It is valued in cultivation fur 

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

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

 variotiesof this speoiea J 



2 V. asstivdlis L. Lvs. broadly cordate, 3 to ^-icbed or paimaie-»mtMie, coarsely 



