Ceanothus 



VlTACEAE 



661 



50 



Map 1376 



Ceanothus americanus L. 



50 



Map 1377 



Ceanothus ovatus Desf. 



4877. CEANOTHUS L. 



Leaves ovate to ovate-oblong, generally pubescent all over the lower surface; peduncle 

 pubescent, longer than the subtending leaf; capsules generally crested or rough- 

 ened on the angles; seed more than 2 mm long, smooth 1. C. americanus. 



Leaves elliptic-lanceolate, glabrous or nearly so beneath; peduncle glabrous, generally 

 shorter than the subtending leaf; capsules not crested or roughened on the angles; 

 seed 2 mm or less in length, surface pitted 2. C. ovatus. 



1. Ceanothus americanus L. New Jersey Tea. Map 1376. Infrequent 

 throughout the state in dry situations, being more frequent in the sandy 

 soil of the lake area, especially in the dune area. South of the lake area 

 it prefers the slopes and crests of black and white oak ridges and is found 

 also on limestone and sandstone bluffs. 



Maine to Man., southw. to Fla. and Tex. 



2. Ceanothus ovatus Desf. Inland New Jersey Tea. Map 1377. Our 

 only specimens come from the low dunes along Lake Michigan between 

 Pine and Miller in Lake County. 



Vt. to Man., southw. to D. C, 111., and Tex. 



170. VlTACEAE Lindl. Grape Family 



Leaves simple. 



Pith of branches interrupted at the nodes; petals cohering at the summit and falling 

 off as a cap without separating; berry spheroidal in shape (except in Vitis 



Labrusca) , black or bluish black, edible 4909. Vitis, p. 661. 



Pith of branches not interrupted at the nodes; petals distinct and expanding before 



falling off; berry oblate-spheroidal in shape, bluish, not edible 



4916. Ampelopsis, p. 665. 



Leaves palmately compound 4915. Parthenocissus, p. 664. 



4909. VtTIS [Tourn.] L. Grape 



[Bailey. The species of grapes peculiar to North America. Gentes 

 Herbarum 3 : 149-244. 1934.] 



