54 I. VEGETABLES — Convolvulace^. 



wild huglosSf Lycopsis arvensis ; — Creeping huglossy L* vesicularia. 

 Are all pectoral plants. 



Alkaxet, Anchusa tinctoria. Mostly brought from France ; 

 — Anchusa Virginica. Root used as alkanet. — Small yellow alkanet^ 

 Onosma echioides ; — *Gromivell, Bastard alkanet. Milium SoliSf 

 Lithospermum, L, officinale ; — Dyer's bugloss, L, tinctorium ; — L, 

 arvense. 



True alkanet, Echium ruhrvm. Bark of the root colours 

 oily substances red, used in lipsalves ; juice of the fresh roots 

 used to redden the cheeks : colouring matter extracted by ether. 



Stone bugloss, Onosma, Echium Italicum, Leaves in wine 

 facilitate delivery. 



^Vipers bugloss, Echium, E, vidgare. Root opening and 

 slightly astringent. 



Small Turnsol, Heliotropium minus, H, supinum. Herb 

 laxative ; seeds emmenagogue. 



Turnsol, Heliotropium EuropcBum, Softens warts, and makes 

 them fall off; taken internally it opens the belly ; flowers used as a 

 blue colour, when altered by ammonia as a purple, and by acids 

 as a red. — * Jamaica tunnsol, H. Jamaicense, Plant in decoction 

 diuretic. 



*Comfrey, Great consoiind, Symphytum, Consolida major, S. 

 officinale. Root astringent, glutmous : leaves used to flavour 

 cakes ; young shoots esculent. 



*HouNDs tongue, Cynoglossum, C. officinale. Roots astrin- 

 gent and sedative ; used externally, and internally in decoction, 

 in scrofula : the herb bruised drives away mice. 



78. CONVOLVULACE^. 

 These are generally purgative. 



Convolvulus jalapa. Root jalap, jalapium, jalapa, mecho- 

 acanna nigra, jalapce radix, a very active purgative, in doses of 3ss 

 to 3j, in powder. In hypochondriacal disorders and bilious tem- 

 peraments it gripes violently, and seldom acts properly as a purge, 

 unless combined with the potassae supertartras and a little gmger ; 

 from South America. Sea colewort root, white briony root, root 

 of Thapsa villosa, root and leaves of spurting cucumber, hemp 

 agrimony root, root of Anthericum planifolium, petals of the dog 

 rose may be used as substitutes. Officinal preparations, — Tinct. 

 jal. L. D. E. Extractum jalapae, L, D. E, Pulv. jal. comp. D, 

 E. Tinct. sennae comp. E, 



Convolvulus turpethum. Root, turhith, turheth, turpethum, 

 similar to jalap, rougher in its operation. 



Rock rose, Cneorum album, Dorycnium^ Convolvulus cneorum. 

 Root purgative. 



