296 AGRICULTURAL TEXT-BOOK. 



Britain many cultivated sub-varieties 4 wild species in the 

 northern United States prefers a damp climate and soil ; ( b ,) 

 colors vary, red, yellow, green, differs also much in size, and in 

 the prickles on the fruit; fcj, propogated by cuttings layers, 

 suckers, (cj cultivation simple, best in the U. S. in a damp, 

 shaded place, or well mulched especially with salt-grass pru 

 ning, annual shortening in, keeping the centre open to admit air; 

 ( d,) manure, ashes, salt, well-rotted organic matter ; (cj a mould 

 similar to that on grapes, often destroys the fruit. 



658. Organic analysis of tie unripe (A,) and the ripe Goose 

 berry (B.) (Gerard.) 



A B 



Chlorophyl and coloring matter - - 0,03 



Su gar, - 0.52 G.24 



Dextrine, - - - 1.36 0.78 



Fibre, - . . 8.45 8.01 



Albumen, . . - 1.07 87 



Malic acid, . . . 1.80 2.41 



Citric acid. ... 0.12 0.31 



I^rae, . . 0.24 0.29 



Water, - . 8 G.4l 81.10 



The leaves of the CURRANT are rich in Soda and the Phosphates ; the 

 blossom, iu Potash. (Emmons.) 



659. RHUBARB; (Rheum rhaponticum,) (a,) many species 

 cultivated, from Asia, China, Turkey, and Tartary; many 

 sub-varieties produced by cultivation; (b t ) the petioles, or 

 leaf-stalks, used for pies, preserves, making wine ; the root as 



medicine the best from Russian Tartary, on the confines of 

 China the root grown in Europe and America very inferior as 

 a drug; (cj cultivation requires deep rich soil, highly manured 

 and the plants covered during the winter with rough barn-yard 

 manure is sometimes blanched, by which the flavor is improved 

 (d,) the leaf, flower, stalks &amp;lt;fec., poisonous, chiefly in consequence 

 of the Oxalate of lime contained in them, which is decomposed 

 in digestion ; (e,) specific manures, bones plaster salt ashes 

 organic substances. 



