GUIDE TO THE SHRUBS 



PAGE 



LEAVES DECIDUOUS, COMPOUND, ALTERNATE ON THE STEM : 



1. Stems biennial, with spines or prickles; leaves 3 to 5 foli- 



ate; flowers white, five-petaled ; fruit an aggregation of 

 drupelets. 



a, New shoots red, covered with bloom, clothed with weak, 

 glandular hairs ; older stems with small, weak prickles ; 



fruit red. Wild Red Raspberry 140 



b. New stems slender, recurved, purplish, densely covered 

 with bloom ; prickles few, small, hooked ; fruit black. 



Black Raspberry 143 



c , Stems erect or recurved, angular, furrowed, green, reddish 

 or purple, covered with bloom ; prickles stout, curved ; 



fruit black. High Blackberries 146 



d. Stems of blackberry type ; fruit black. 



d\ .Stout, prostrate. Dewberry 158 



^/2. Weak, trailing. Running Swamp Blackberry 158 



2. Stems usually prickly ; leaves 3 to 9 foliate ; flowers pink, 



five-petaled ; fruit a hip. Roses 163 



3. Stems with stout prickles ; leaves 5 to 1 1 foliate, leafstalks 



prickly ; flowers greenish, small, appearing with the leaves. 

 Plant sometimes a small tree. Prickly Ash 43 



4. Young stems and new shoots covered with clammy, glandular 



bristles ; leaves 5 to 9 foliate ; flowers of pea type, pink, 



in racemes. Rose Acacia 104 



5. Stems without spines or prickles. 



a. Flowers small, greenish yellow, borne in loose terminal 

 spikes or axillary clusters ; fruit a small drupe. Sumach 



Family 78 



a\. Fruit red, hairy, acid, borne in large terminal spikes. 

 Leaves 7 to 31 foliate, margins serrate. Smooth 



Sumach 78 



Leaves 7 to n foliate, margin entire, petioles 

 winged. Mountain Sumach 80 



XXV 



