34 I. VEGETABLES.— EuPHORBiACEJE. 



Thoa urens. Bark yields gum ; seed edible. 



Thoa edulis ; — Hedycarya dentata. Seeds sweet, eatable, 



48. URTICE^. 



*CoMMON NETTLE, Urtica, U, dioica ; — *Iloman nettle, U, 

 Romana, U, pilulifera. Roots astringent ; seeds pectoral. 



*Small stinging nettle, Urtica urens. Roots astringent, 

 diuretic, depurative; plant used in palsy and lethargy as an 

 irritant, producing a crop of small blisters on the skin ; the young 

 shoots boiled as potherbs. 



Hemp, Ganja^ Cannabis^ C, sativa, C. Indica. Juice made 

 into an agreeable inebriating drink ; seeds oily, cooling, antia- 

 phrodisiac, pectoral, aperitive, but inebriating, and producing 

 fatuity ; leaves used as tobacco. 



Jeea, Cannabis Jeea, Yields the gum resin, cherris. 



*Pellitory of the wall, Parietaria, Helxi?ie, P. officinalis. 

 Herb cooling, opening, diuretic, pectoral, antiasthmatic. 



*Hop, Lupnlus, Humuliis lupidus. Young shoots eaten as a 

 depurative ; flowers, hops, humidi strobili, bitter, inebriating, 

 diuretic, also sedative ; used to flavour beer, and tlie only legal 

 substance for that purpose vellow powder sifted from the 

 strobiles, lupuline, lupulinum, qualities same as the strobiles, but 

 much stronger ; yields an essential oil. Marsh trefoil leaves, 

 wood sage, fringed bog bean, Geum montanum, Carolina shrub 

 trefoil, and Momordica charantia, are used as substitutes for hops. 

 Officinal preparations, — Tinctura humuli, D. L, Extractum 

 humuli, Z). L. 



50. EUPHORBIACEJE. 



The milky juice is caustic, nauseous, and purgative. Embryo, 

 or corculum of the seeds usually violently emetic or purgative. 



*French mercury, Mercurlalis mas et fosmina, M. annua. 

 Herb detersive, purgative, resolvent, and emmenagogue. 



*Dog's mercury, Cynocrambe, Mercurialis perennis. Herb 

 used instead of French mercury, but has produced fatal acci- 

 dents. 



Children's mercury, Phyllon, Mercnrialis tomentosa. Herb 

 used by the Moors in female diseases, decoction recommended in 

 hydrophobia. 



Triangular spurge. Euphorbia antiquarian; — E, Canari- 

 ensis ; — E. qfficinarum. Yield gum euphorbium; are cathartic. 

 — E. heptayona. Juice used to poison weapons. — E, edulis, A 

 kitchen herb. 



Euphorbia tirucalli. Cathartic, emetic, antisyphiiitic ; 



