DICOTYLEDONS. 143 



alternate, prominently veined, elliptical to broadly oval, entire or 

 obsciu'ely serrate, sinooth or sometimes pubescent below; petioles 

 slender, pubescent ; flowers in axillary, peduncled umbels ; petals 

 minute; drupe globose, ^-^ in. in diameter, t]-seeded, seeds smooth. 

 May-June. On river banks. 



76. vitace;e. grape family. 



Climbing woody vines or diffuse shrubs; stems with joints 

 distinct and enlarged; leaves simple or compound, i)etioled, 

 sti[)ulate; flowers perfect, greenish, i)olygamous or difeeious, 

 in cymes, panicles or racemes ; calyx minute, usually trun- 

 cate ; petals 4-5, distinct or united ; stamens 4-5, opposite 

 tlie petals, hypogynous or perigynous ; ovary 1, usually more 

 or less immersed in the disk, 2-G-celled, with 2 ovules in 

 each cell, style short or none, stigma 2-lol)ed ; fruit a 1-G- 

 seeded berry. 



T. VITIS. 



Climbing woody vines ; stems with tumid joints, climbing 

 by tendrils opposite sonu' of the leaves ; leaves simple, pal- 

 mately veined or lobed ; stipules small, soon deciduous; 

 flowers mostly polygamous or dicecious ; petals often united 

 at the apex and not expanding ; stamens inserted between 

 the lobes of the disk ; ovary usually 2-celled, 4-ovuled ; fruit 

 juicy, 1-4-seeded. 



1. V. LvRRUSCA T.. Fox riit.M'K. Stoius climbing liigli, f)tt('ii 

 1 It. oi- more in diameter; bark shreddy, coming off in long strips, 

 young l)ranches woolly; leaves broadly cordate, moir or h'ss deeply 

 :>-.")-lol)ed, nnicronate-dentate, very woolly when y«)ung, becoming 

 smooth above; ))anicles of ))istillate flowers com])act, of staminate 

 flowers looser; fruit about | in. in diameter, dark ]>uiple or some- 

 times nearly white. .\pril-May. In ri<-h woods. Many of the cul- 

 livated varieties, Conrord, Niagara, etc.. have l>een developed from 

 til is species. 



2. V. AKSTiVAi.is Michx. SiMMKu (iKATK. Stem climbing 

 high; l>ark shreddy; leaves broadly cordate, :{ .Vlobed, tlie lobes 

 dentate, sinuses n»iinded, white-woolly when y<»iing, often nearly 

 smooth when old: tendiils or panicles ojiposite "J out ot every •» 



