HYPERICUM. 229 



gronovi only used, the roots said to cure toothache, and 



the fresh leaves to destroy warts. 



HIPPOMANE MANCINELLA, L. Manchenil tree. 

 In Florida- Poisonous, the shade and effluvia dangerous, 

 affecting chiefly children. Narcotic poison producing 

 sleep, tremors, convulsions, &c. Milky juice acrid cor- 

 rosive, a fdw drops kill worms, root also vermifuge, but 

 a dangerous one. Gum similar and equal to Guayacine. 

 The milk is burning, blistering, inflames and depilates 

 the skin. 



, HOPEA TINCTORIA, L. Sweet leaf, Horse sugar. 



Delaware to Florida. Useful tree. Root stomachic, de- 



purative- Leaves sweet, eaten with avidity by horses 



and cattle, their decoction dyes wool and silk of a bright 

 yellow. 



HORDEUM VULGARE, L. Barley. Cult. Seeds 

 contain hordeine 55, starch 32, sweet gum 9, gluton 5, 

 yellow resin 1. They produce 70 per cent- of flour, 

 which contains starch 68, gum, sugar, gluten, &c. Very 

 useful grain, it makes a coarse bread, but cleaned ancl 

 pearl barley make excellent soups and dishes, en. ot 

 Rice. Decoction cooling, demulcent, useful in inflam- 

 mations. Malt is barley sprouted and dried, from which 

 ales and beers are brewed : the decoction of malt is use- 

 ful for scurvy and scrofula. Barley beer is healthy, but 

 the reverse of wines, making the body and mind heavy 

 and dull j disdained in wine countries and nicki»nmed 

 horse piss. Barley best food for horses and mules, used 

 Irom Spain to China instead of Oats. 



HURA CREPITANS, L. Sandbox tree. Florida. 

 Singular fruit, opening with noise, used for haidia^ ^^ad. 

 Seeds drastic and emetic like Crototi tigliurn. 



HYDRANGEA, L. Bissum. Several sp. Dr. Koft 



gosrue 



retic. Used in decoction otpowder, action mild, cq. to 

 Arbutus in gravel, &c. Useful in dyspepsia. 



HYDROPIIYLLUM, L- Schoepf say* the //. sana^ 

 dense is used n^ainst the bite of snakes ami the pois^uuou^ 



erysipelas produced by Rhus. 



HYPER[CUM PERFOR\TLM,L. St. Johm^^^^rt. 

 Bad ^ *ed in fields. Vulnerary, pectoral, pellcnt, ner- 

 vine, Sec. Blossoms chiefly used, although yellow th 



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