SCIENTIFIC AND POPULAR 201 



•d. I. biflora Walt. (I. fulva Nutt. )• British America, south to 

 Florida and Missouri. Spotted Touch-me-not, Cowslip-, Ear- 

 jewel, Spotted or Orange Jewel weed, Speckeled Jewels or 

 Jewel-weed, Balsam-weed, Wild Balsam, Brook Celandine 

 (Solentine), Wild Celandine, Ceroline, Kicking-colt, Kicking- 

 horses, Ladies' -eardrop, Ladies' -pocket. Silver-leaf, Silver plant, 

 Shining-grass, Slipper-weed, Wild Ladies' -slipper, Snapdragon* 

 Snap- weed, Weathercock. Properties of (a). 



1058. IMPERAT6rIA, L. Masterwort. Umbelliferae. 



From Latin, "imperial". Peucedanum, Oreoselinu i, in 

 part. Robust perennial herbs. About 10 species. Old World. 



a. I. Ostr lithium L. (P. Ostruthium Koch. (Kew), O. officinale 

 Link.). Central and southern Europe adv. in U. S. Master- 

 wort, Felon-grass, Felonwort, Imperial Masterwort, Broad- 

 leaved Hog' s-fennel, Pellitory of Spain*; Ger. Meisterwurz, 

 Kaiserwurz, Ostritzwurz, Ostranz; Fr. Imperatoire (Codex). 

 Mhizome; Rhizoma (Radix) imperatorise v. ostruthii, R. as- 

 trantise; aromatic, acrid, masticatory, etc., sometimes mixed by 

 accident or design with aconite root. Leaves used as a pot herb, 

 and in manufacture of some kinds of Swiss cheese. 



1059. INDIG6fERA, L. Indigo. Papilionaceae. 



From Latiu, "indigo yielding". Herbs or shrubs. About 

 250 species, warm and temperate regions; 6 in U. S. including 

 introduced species, 



a. I. Anil L. ( I. tinctoria Blanco not L. ) . West Indies and tropi- 

 cal America; Carolina and southward in eastern U. S., also 

 cult. West Indian Indigo plant, Devil' s-eye, Anil (vernacular 

 name whence our word aniline). Leaves source of the dye-stuff 

 Indigo; Indicum, Pigmentum indicum; Ger. Indigo, Indig; Sp. 

 Anil; formerly used in epilepsy, also reputed emmenagogue. 

 Indigo is obtained also from (b) I. argentea L. (I. coerulea 

 Roxb., I. glauca Lam, I. tinctoria Forst., not L. ), North 

 Africa, east to India, also cult., and from (c) I. tinctoria L. 

 (I. Indica Lam. not Mill.), tropical Asia, Africa and Australia 

 and widely cult, in tropical countries, East Indian Indigo 

 plant. 



1060. IKGA, Scop. Inga tree. Mimosaoeae. 



Vernacular name, S. America. Trees or large shrubs. 

 About 150 species, tropical America. The pods of several spe- 

 cies contain a saccharine pulp which in some is edible, in some 

 is cathartic. 



1061. INGENHOl^ZIA, DC. not Bert. ( Ingenhoussia. )Malvaceae. 



Shrub resembling Gossyx^ium. One species, Mexico and 

 southern U. S. 



1062. INULA, L. (Enula). Elecampane, etc. Conipositae. 



Ancient Latin name of Elecampane, probably corrupted from 

 Helenium, the Greek name. Syn. Asterf, Conyza, Corvisartia, 

 in part. Perennial herbs with large flower heads (yellow). 

 About 90 species, Old World; 1 nat. in U. S. 



