376 



EVOLUTION 



OUR NATIVE FRUITS 



probably throughout the northern states, al- 

 though I know it only from southwestern 

 Michigan and eastern New York. The spe- 

 cies has no economic importance, being too 

 weak and soft a grower to promise much 

 reward to the cultivator. 



4. Rubus trivialis Michx., 

 PI. Bor.-Am. i. 296 



(1803). Southern Dew- 

 berry (Fig. 88). 



Stems very long, often 

 growing ten to fifteen feet, 

 mostly thickly beset with 

 prickles and sometimes with 

 reddish bristles ; leaves rather 

 short-stalked, and compara- 

 tively small, rigid, and ever- 

 green or nearly so, the 

 petioles and midribs strong 

 and prickly, the leaflets vary- 

 ing from nearly oblong to 

 oblong-ovate : pedicels mostly 



short and simple, termina- 

 ted by a large and showy 

 flower; fruit variable in size, 

 usually oblong, and more or 

 less dry and se< ily. Tins 



6pecies is widely distributed 



from Virginia south and 

 Fig. 87. Rubus Enalenii, . ... ... 



» .. 4 . southwest. It is a variable 



from the type specimen in 



Trattiimick's herbarium Bpecies, running into some 

 ;it Vienna. X one-half. varieties with ratlin- broad 

 Leaves and very large flow- 

 ers. It is possible that two Bpecies are confused 

 under this name, I nit much of the confusion lias 

 arisen from the confounding of B, villosus with it. 

 The specimen 11)1011 which Michaux founded the 

 species is the form with narrow, hard leaflets and 



