SCIENTIFIC AND POPULAR, 213 



d. L. sativa L. Southern Asia, now widely cult. Garden Lettuce, 



Common Lettuce, Sallet, Sheepwort. Varieties are Cabbage 

 Lettuce, forming heads (L. capitata DC.) and Cos Lettuce. 

 Ger. Gartenlattich, Gartensalad; Fr. Laitue officinale (Codex); 

 Sp. Lechuga. . i/caves used as salad. Inspis<iated juice is French. 

 lactucarium; Fr. Thridace (Codex). 



e. L. Scariola L. Europe, nat. in eastern U. S. Prickly Lettuce, 



Wild Lettuce, Horse Thistle, Compass-plant. 



f. L. virosa L. Europe. Wild Lettuce (of Europe), Acrid Let- 



tuce, Strong-scented Lettuce, Green Endive; Ger. Gift-Lattich, 

 Stink-Lattich; Fr. Laitue vireuse (Codex). The flowering herb; 

 Lactuca Br., Herba lactucae (virosae), H. intybi angusti. * The 

 concrete milk juice (of this and other species); LactUCarium, 

 V. S. P., Lettuce Opium; sedative, mildly narcotic, hypnotic. 

 This species and (g) L, sagittata Waldst. & Kit. (L. altissima 

 Bibers. ), perhaps only a variety, are cult, in Europe as a source 

 of lactucarium. 



1126. LAGENARIA, Seringe. Gourd. Cucurbitaceae. 



From Latin lagena, a "flask". Syn. Cucurbita, in part. 

 Vine, climbing by tendrils. One species. Old World. 



a. L. Lagenaria (L.) Lyons (C. Lagenaria L., L. vulgaris 

 Seringe). Europe and Asia, cult, in many varieties. Gourd, 

 Calabash Gourd, Bottle Gourd, Sugar-trough Gourd; Ger. 

 Kiirbis; Fr. Calebasse d' Europe, Gourde, Cougourde (Codex). 

 Root pulp reputed cathartic. Seeds (cold seeds), emollient. 

 See 614 (d). 



1127. LAtfERSTROEMIA, L. Crape Myrtle, etc. Lythraceae. 



Trees or shrubs. About 20 species, warmer regions of east- 

 ern Asia, (a) L, lauceoldta Wall. (L. microcarpa Wight), 

 East Indies, is Ben Teak, an inferior kind of teak; (b) L. Flos- 

 reginae Retz. (L. reginse Roxb. ), India to Burmah, is Jaroul, 

 Blood- wood; (c) L. Indica L., China, is Crape Myrtle, Indian 

 Lilac. 



1128. LAGETTA, A. L. Juss. Lace-bark tree. Thymeliaceae. 



From vernacular, lagetto. Trees. Two known species, West 

 Indies, (a) L. liiitearia Lam. is the Jamaica Lace-bark tree. 

 The name Lace-bark is applied in Australia to Sterciilia 

 acerifolia Cunningham, Flame tree, and in New Zealand to the 

 malvaceous Flagidnthus betuliniis Cunn. 



1129. LAG6tIS, J Gaertn. 1770. Lagotis. Selaghiaceae. 



From Greek, "hare's ear". Syn. Gymnandra, Pall. 1776. 

 Perennial herbs. About 8 species, central and northern Asia; 

 1 in U. S. 



1130. LAGUNCDLAKIA, Gaertn. f. 1805. Combretaceae. 



Latin, diminutive of lagena, a "flask". Syn, Horan, Adans. 

 1763; Conocarpus, in part, A small tree with habit of Man- 

 grove, One species, tropical coasts in Atlantic Ocean, extend- 

 ing to Florida, (a) L. racemosa (L.) Gaertn. f. (C. racemosa 

 L. ). White Mangrove, White Battonwood. 



