13IDYNAMIA. GTMNOSPEHMIA. SI 



A g-enus of near 40 species chiefly indigenous to Fu- 

 rope, extending; also ihrouji;iiout Noi-ihern Asia, and into 

 the southern hemisphere, there existin.^c species in Chili, in 

 the isle of France, and at the Cape of Good Hope. 



404. LEONURUS. i. (Mother-wort.) 



Calix pentangular, S-tootlied. Upper lij^ of 

 the corolla villous, flat, entire; lower lip S-pait- 

 ed, with the middle seo^ment undivided. <»Lohes 

 uf the anthers parallel.-' R. Buo-syn. 



Leaves more or less lobed; flowers axillary verticillate, 

 sessile, bracies minute? anthers in some species scattered 

 with shining spots. 



Species. 1. L. Cardiaca. Now as commonly natu- 

 ralized as hi Europe. 



A small genus of about 7 species, nearly allied to Phlo. 

 m's and indig'enous to Siberia, Tartary and China, with 

 the exception of I,. JMannbiastrum, with oblong toothed 

 leaves and a corolla scarcely longer than the calix, w hlch 

 can scarcely be a congener; the L. Cardiaca, as has been 

 suggested by Miller, originated probably in Tartary; and 

 is only naturalized in Europe in the same manner as it is 

 now in North America. 



405. LEUCAS. R. Brown. 



Calix 10-striate, 6 to 10-toothed. Upper lip 

 of the corolla galeate (or in the form of a hel- 

 luet,} gaUa bearded, ejitire; lower lip long and 

 trifid; intermediate segment larger. Lobes of 

 the anthers divaricate. SUgma shorter than 

 the ui)per lip. 



Herbaceous ? often annual; leaves entire; verticills 

 many flowered, subglob(jse or capitate. 



Species. 1. L. mariiniceims. Introduced probably from 

 the \Vest Indies, now naturalized as a weed m the gardens 

 and suburbs of Savannah in Georgia — .Mr. ffimler. 



A tropical genus indigenous to the East and West In- 

 dies. 



406. GLECHOMA. L. (Ground Ivy. Gill. Ale- 

 hoof.) 



