17(i SYS'I i:MA'n(' POMOLOGY 



lihrobatus. — Kcd, purjik', blat-k, wliite or yrllou rasiiberries, the fruit 

 composed of coherent drupelets and coming loose from a moist torus; the 

 cultivated species, erect or ascendent shrubs; flowers mostly in short clusters. 



Euhatus. — Very dark red, black, or rarely white, blackberries and dew- 

 berries, the drupelets adhering to the torus; cultivated species erect, trail- 

 ing or climbing; liowers panniculate or racemose. 



Raspberries 



Three species of raspberries are cultivated for their fruits, 



American red, European red, and tlie black-cap. Hybrids 



between these species, called purple-canes, constitute a fourth 



^roup. A siini)le key shows the relationship of the three species. 



KEY TO CULTIVATED SPECIES OF RASPBERRIES 



A. Fruit dark red or light red, never black, sometimes 

 yellow or white; propagating by tips or suckers; canes 

 bristly. 

 B. Stems stiff and erect ; fruit borne more or less 



continuously throughout the season 1. ^. idceus. 



BB, Stems more drooping and slender; fruit borne less 

 continuously throughout the season; inflorescence 



glandular 2. E. strigosus. 



AA. Fruit purple-black, never red, rarely yellow; prop- 

 agating by tips; canes glaucous, with hooked spines, 

 not bristly 3. R. occidentalis. 



258. Description blank for raspberry. — Most of the charac- 

 ters necessary for describing bramble-fruits are listed in the 

 following blank : — 



DESCRIPTION BLANK FOR THE RASPBERRY 



Name Plat Row No ... . 



Date 19. . 



Plants 



Tall, medium, dwarf Pubescent , glabrous 



Vigorous, medium, weak glaucous, 



Upright, spreading, drooping With glandular tips 



Prop, by Suckers Tips.... Spines or prickles 



Hardy, half-hardy, tender Thick, medium, slender 



Very productive, productive Strong, medium, weak 



Medium productive, unproduc- Straight hooked 



tive Sharp blunt 



Suckers Numerous, medium, few, none 



Numerous, medium, few, none, Distribution 



or many Color 



Canes Leaflets 



Stocky, medium, slender Number 



Red, brown, yellow Large, medium, small 



Green, gray, purple Lanceolate, ovate, obovate 



Dull glossy Oval, oblong, wedge, roundish 



