CEANOTHUS 2or 



Common throughout the state, except far northward. Distributed 

 from central Maine to Ontario and Manitoba, south to Florida and Texas. 

 The leaves were used for tea during the American revolution. This small 

 shrub has a thick, gnarled root, often 15-20 cm. in diameter. Flowers in 

 July, fruit ripe in September. 



Ceanothus ovatus Desfontaines 1809 Smaller Red-root 



A shrub 3-6 dm. high, much branched, nearly glabrous throughout ; 

 leaves narrowly oval or elliptic-lanceolate, narrowed or rounded at the 

 base, obtuse at the apex, finely and sharply glandular-serrate, glabrous 

 or slightly pubescent along the principal veins, 2-5 cm. long, 1-2.5 cm. 

 wide, petioles about 5 mm. long; peduncles short, nearly always terminal; 

 flowers in dense, umbel-like clusters, white, about 5 mm. broad, pedicels 

 10-15 mm. long; fruit globose, slightly flattened at the top, faintly 3- 

 lobed : ovatus, egg-shaped. 



Probably throughout the state but less common than the preceding. 

 Distributed from Vt. and eastern Mass. to Manitoba, Minn., 111. and 

 south to Texas. Blossoms in June, fruit ripe in September. 



Var. pubescens Torrey and Gray 1878. 



This variety has leaves permanently sordid-tomentose, it occurs in the 

 southern part of the state. 



Vitaceae Grape Family 



Climbing or erect shrubs with watery acid juice; leaves alternate, 

 simple, palmately veined or lobed, or compound ; tendrils and flower-clus- 

 ters opposite the leaves; flowers in panicles, racemes or cymes, small, 

 regular, greenish, perfect or .polygamo-dioecious ; calyx entire or 4-5 

 lobed, petals 4-5, separate or coherent, valvate, often falling off when 

 flowers open, stamens 4-5, opposite the petals, filaments short, disk present 

 or sometimes lacking, ovary 2-celled, generally immersed in the disk, 

 ovules 1-2 in each cavity; fruit a 2-celled berry, seeds usually 4, seed- 

 coat bony. 



KEY TO THE GENERA 



1. Hypogynous disk present, petals deciduous as 



they open Vitis 



2. Hypogynous disk lacking, petals not deciduous 



as they open Parthenocissus 



