810 



Labiatae 



La mi urn 



50 



Map 1751 



Lamium amplexicaule L. 



50 



Map 1752 



Lamium purpureum L. 



7271. LAMIUM [Tourn.] L. Deadnettle 



Leaves sessile or clasping on the upper part of the stem 1. L. amplexicaule. 



Leaves all petiolate. 



Flowers red or purplish 2. L. purpurem. 



Flowers white. (See excluded species no. 531, p. 1084) L. album. 



1. Lamium amplexicaule L. Henbit. Map 1751. Frequent to com- 

 mon, at least in the southern part of the state, in sandy soil. It grows in 

 waste places, gardens, truck gardens, fallow fields, cornfields, pastures 

 and open woods, and along roadsides and railroads. 



Nat. of Eurasia ; N. B. to B. C, southw. to Fla., Ark., and Calif. 



2. Lamium purpureum L. Purple Deadnettle. Map 1752. We have 

 a single report for this species. I have specimens from four counties: 

 from Jefferson County, frequent along the roadside along a creek north- 

 east of Brooksburg; from St. Joseph County, in a cemetery along the St. 

 Joseph River near South Bend ; and from Tippecanoe County from nursery 

 grounds in West Lafayette. 



Nat. of Eurasia; Newf., N. C, Pa., and Mo. 



7273. LEONURUS L. Motherwort 



1. Leonurus Cardiaca L. Common Motherwort. Map 1753. Fre- 

 quent throughout the state in waste places, fallow fields, and open woods 

 and along roadsides and fences. 



Nat. of Eu. ; N. S. to N. Dak. and Utah, southw. to N. C. and Kans. 



7281. STACHYS [Tourn.] L. Hedge Nettle' 



Lower and upper leaves sessile, the median subsessile, rarely on petioles as long as 

 8 mm. 

 Leaves entirely glabrous or thinly hispid with stiff hairs only, neither pubescent nor 

 glandular. 



1 This key and the synonymy were contributed by Carl Epling of the University of 

 California at Los Angeles. He has seen and named all of my specimens. 



