KEY TO THE SPEC IKS OK CKANOTHrS '.)!) 



KEY TO THE SPECIES OF CEANOTHUS 



* Hardy species growing in shade 1-3 feet high ; leaves alternate, 



3-ribbed from base ; blooming July-Sept. (A.) 

 A. Leaves nearly an inch wide, Imiadest near base. NEW JERSEY- 

 TEA (92) Ceanothus aiiu-riranus. 



A. Leaves \ inch wide, broadest near middle. SMALLER RED-ROOT 

 Ceanothus ovatus. 



* Pacific region species, generally hardy only South and growing best 



in the sun. (B.) 



B. Leaves opposite, evergreen, widest near tip, \-\ inch long. (C.) 

 C. Flowers white in small clusters along the branches, March to 



May; tall shrub. EVERGREEN CEANOTHUS (93) Ceanothus 

 cuneatus. 



C. Flowers blue ; procumbent shrub. SPREADING CEANOTHUS. 

 Ceanothus prostratus. 



B. Leaves alternate, nearly evergreen, entire-edged. (D.) 



D. Low prostrate spiny shrub, the only western species likely to 

 be hardy North. FESDLEH'S CEANOTHUS (94) Ceanothus 

 Fendleri. 



D. Tall, often spiny ; flowers pale blue, April-June ; leaves \-\ 

 inch long. SPINY CEANOTHCS (95) Ceanothus divari- 

 catus. 



D. Tall, not spiny ; flowers blue, April-June ; leaves 1-2 inches 

 long. ENTIRE-LEAVED CEANOTHUS (90) Ceanothus inte- 

 ge"rrirnus. 



B. Leaves alternate, notch-edged ; tall shrubs or small trees. (E.) 



E. Flowers white, May, June ; leaves nearly orbicular, 1-3 inches 

 long; branches reddish. RED-STEMMED CEANOTHUS (97) 

 Ceanothus sanguineus. 



E. Flowers white, June, July ; leaves evergreen, somewhat cor- 

 date, hairy beneath. VELVETY CEANOTHUS (98) Ceanothus 

 velutinus. 



E. Flowers blue or purplish, April, May ; leaves hairy beneath. 

 HAIRY CEANOTHUS Ceanothus hirsiitus. 



E. Flowers blue or rarely white, May- July. BLUE ' MYRTLE ' 

 Ceanothus thyrsiflorus. 



E. Flowers of many colors and under many names, the garden 

 hybrids. HYHRID CEANOTHUS Ceanothus hybridus. 



Zizyphus. The JUJUBES are shrubs or trees with small alternate 3 to 

 5-ribbed leaves, small greenish axillary flowers, drupe-like, usually edible 



