364 



COLLEGE BOTANY 



in America is very interesting and well worth reading' 

 (Figs. 206, 207). 



This family also includes our native Virginia creeper (Am- 

 pelopsis quinquefolia) , the Boston or Japanese ivy and several 

 other ornamental plants. 



TiLiACE^ (Linden Family).- — Trees; flowers perfect in 

 small cymps, hanging on an axillary' peduncle which is attached 

 to a ligulate, membranous bract; ovary five-chambered and de^ 



Fig. 206. — Modern improved grape. 



veloping into a dry, woody, globular, indehiscent one-chambered, 

 one- to two-seeded fruit; leaves simple, alternate, more or less 

 heart-shaped and serrate. This family is represented by the 

 genus Tilta, which includes several .species of valuable trees 

 known as basswoods or lindens. 



Malvace.!-: (Mallow Family). — Herbs or shrubs; leaves al- 

 ternate, stipulate and palmately veined ; flowers regular ; sepals 

 five, united at the base and valvate ; petals five, convolute in the 

 bud ; stamens ntimerous, monadelphous in a column and united 



