S^FA'TIFIC AND POPlil.AR. 3215 



Oak of California, called also Yeara, is (i) R. diversfloba T. 

 & Gr. (R. lobata Hook., notPoir.). The Poison Oak of the 

 southern States is the more shrubby (j) R, Toxicodendron 

 L. (T. magnum Sneud, ), the three species active skin poisons. 



k. R, semialdta Murr. China, Japan, nat. in Hawaiian Islands' 

 Chinese Sumac. Excrescences on the leaves are the Chinese 

 Nut-galls. The Japanese nutgalls are a similar product from 

 (1} R. Japouiea Sieb. 



m. R. succediiueaL. Japan. Japanese Wax-tree. Fruit, source 

 of Japan vegetable wax, (n) R. Chin^nsis Mill, in China 

 furnishes a similar wax. 



o. R. yernicffera DC. (R. Vernix Thunb. not L. ). Japan. 

 Japanese Varnish tree. Lacquer tree. Exudate constitutea 

 Japanese lacquer. 



p. R. Vernix L. ( R. venenata DC. (Kew), T. pinnatum Mill.). 

 Ontario and eastern U. S. Poison Sumac, Swamp Sumac^ 

 Poison tree, Poison Elder, Poison Ash, Poison Dogwood, Swamp 

 Dogwood. Properties of (h). 



1 731. RHYKCHOSIAjLour. 1790. Red-bead vine.Papilionacf ae. 



From Greek, '"snout", alluding to keel of corolld. Syn. 

 Dolicholus, Medic. 1787; Glycine, Trifolium, in part. Peren- 

 nial herbs. About 100 species, warmer regions; 14 in U. S. 

 (a) R. phaseoloides DC. (R. precatoria DC.) of tropical 

 America is the Mexican Rosary plant or Red-bead vine. 



1732. RIBES, L. (Ribesium). Currant, etc. (jrossulariaceae. 



Name of uncertain origin. Syn. Grossularia, Adans. Shrubs 

 producing berries generally edible. About 60 species, north 

 temperate zone, especially of New World and S. America; 47 



inU. S. • ■■■'' 



a. R. aureuni Pursh. U. S. west of the; Mississippi. Buffulo 



Currant, Flowering Currant, |,Clove Curriant, Golden or Missouri 

 Currant. 



b. R. Cynosbati L. (G. Cynosbati Mill.). Canada to N. Carolina, 



west to Missouri and Manitoba. Wild Gooseberry, Prickly 

 Wild Gooseberry, Dogberry. Fi-uit esculent. The Northern 

 Gooseberry is (c) R. oxyacanlhoides L. ( R.hirtellum Micbx. ),, 

 British America, south to Ohio and Colorado; Smooth. Wild 

 Gooseberry, Hawthorn Gooseberry. The Eastern Wild Goose- 

 berry or Smooth Gooseberry is (d) R. rotundifoHiini Michx., 

 Massachusetts to N. Carolina. 



e. R. nigrum L. (G. nigra Mill.). Europe. European Black 

 Currant, Blackberry*, Quinsy -berry; Ger. Gichtbeere, Ald- 

 beere; Fr. Cassis (Codex). Leaves diuretic. Fruit antiscor- 

 butic. The American Wild Black Currant is (f ) R, fl6ridum 

 L'Her. (R. Pennsylvanicum Lam.), Canada to Kentucky, 

 west to Nebraska. The Northern Wild Black Currant is. 

 (g) R. Hudsoniannm Richards, British America to Colorado,. 



