VITIS ^^^ 



pubescent twigs; panicle-vestiges compactly branched. Dry woods, 

 Georgia to Texas, north to Massachusetts and Wisconsin (Fig. 213). 



3. V. argentifolia Munson. Silverleaf Grape . (V. aestivalis 

 var. argentifolia (Munson) Fernald; V. bicolor LeConte). High- 

 climbing or long-trailing with simple tendrils; twigs with a bluish 

 bloom, quite conspicuous when young, becoming less pronounced 

 in winter. Dry woods. New Hampshire to Minnesota, south to 

 Alabama and Kansas (Fig. 214). 



4. V. riparia Michx. Riverbank Grape . (V. vulpina of authors, 

 not L. ). A strong climbing or trailing vine with glabrous branches; 

 panicle vestiges compact. River-banks, Quebec to Manitoba and 

 Montana, south to Tennessee, Missouri, Texas, and New Mexico 

 (Fig. 215). 



5. V. vulpina L. Frost Grape . Winter Grape . (V. cordifolia 

 Michx. ). Strong high climber, stem sometimes attaining a diameter 

 of 3. 5 dm. or more; tendrils forked; twigs glabrous; fruits black, 

 becoming sweet after frost, persisting into winter. Bottomlands, 

 Florida to Texas, north to New York, Illinois, Missouri, and Kan- 

 sas (Fig 216). 



6. V. baileyana Munson. Possum Grape . Rather slender, with 

 short internodes and many short side branches; young shoots angled, 

 covered for the first year with woolly hairs. Rich thickets, Vir- 

 ginia to Missouri, south to Alabama and Arkansas, 



7. V. rupestris Scheele. Sand Grape. A shrub up to 2 m. high, 

 spreading and rather bushy, sometimes slightly climbing; tendrils 

 forked, few and small, or none. Sandy banks, Pennsylvania to 

 Missouri, south to North Carolina, Arkansas, and Texas (Fig. 217). 



8. V. rotundifolia Michx. Muscadine. Scuppernong. Trailing 

 or high climbing, glabrous or nearly so throughout; tendrils simple, 

 none opposite each third node. Woods, Florida to Texas, north to 

 Delaware, Indiana, Missouri, and Oklahoma (Fig. 218). 



TILIA L. (Tiliaceae) 



Large deciduous trees. Twigs moderate, smooth, zigzag; pith 

 continuous, pale. Buds solitary, obliquely sessile, rather large, 

 inequil ate rally ovoid, with about 2 green or red scales; terminal 

 bud lacking. Leaf-scars alternate, 2-ranked, somewhat raised, 

 half-elliptical; bundle-traces 3 or compound and scattered; stipule- 

 scars unequal. Winter characters of the two principal native species 

 are closely similar, but the withered leaves are usually present 



