258 RLBUS. 



used for lamps, quite soluble in alcohol. Dose 1 or 2 

 ounces in lemon syrup, emulsion, broth, coffee, choco- 



ROBlkiA ACACIA, L. Black Locust. Very use- 

 ful tree, fine timber, leaves greedily eaten by cattle. 

 Inner bark sweetish like liquorice, emetic, cathartic and 

 pectoral, according to doses, root best j much used by 

 Indians and negroes* Biossorns fragrant laxative, liked 

 by bees. Seeds oily. Wood used for posts, rafts, bows, 

 ships, &c. Ehowah of Western tribes. 



ROSA, L. Roses- Beautiful G. queen of flowers, we 

 have 30 wild sp. and many cult. Roots, galls, buds 

 and fruits of all astringent, sweetish, corroborant, used^ 

 in dysentery and diarrhea ; contains tannin, sugar, my- 

 ricine, resin, fat oil, volatile oil, acids, salts. Blossoms 



of red roses similar, styptic, have gallic acid, fine con- 

 serves ,• while pale or white roses, R. damascena chiefly 

 are laxative, a fine syrup used for children. Rose water 

 fine perfume, useful for sore eyes- , Oil of Roses or Otto 

 delightful perfume, stimulant^, the best made from i?» 

 moschata. Fruits edible, but give the cholic, preserves 

 made. R. macro carpa^ Raf. size of pigeon egg, very 

 good. ^ Leaves make a good palatable tea, chiefly the 

 Eglantine Roses with fragrant leaves. Petals of ^■ 

 gallica, smell increased by drying. 



RUBIA, L. Madder^ 2 native sp. 7?. tinctoria cult, 

 all eq. Roots fine red dye, principally Rubine and Ali- 

 zarine, Dyes bones, milk and urine of animals fed on 

 it. Menago^ue and deobstruent, used for suppressions, 

 jaundice, diseases of bones, rachitis and atrophy of 

 children, doses 20 to 30 grains. 



RUBU3, L. Bramble. Nearly 30 wild sp. i?. idens^ 

 cesmSf strigosus^ occidentalism deliciosus^ odoratits^ &:c. 

 are our delightful Raspberries- Those with black fruits 

 called Rlaclcberries^ snch tisR. villosus. The creeping 

 kinds are Dewberries. Tlie Cloudberry is R* chame- 

 morus. Roots of all more or less astrinosent, subtonic, 

 much used in cholera infantum, hematemesis, chronic 

 dysentery, diarrhea, &c. The Cherokis chew them 

 for cough ; a cold poultice useful in piles: used witli 

 Lobelia in gonorhea. Fruits of all cooling, mild as- 

 tringent, antiseptic, analeptic, diluent, cordial, &c. 



