39 6 



labiAtve 



calyces are conspicuous. — Hedges and waste places; rare and not 

 indigenous. — Fl. July — September. Perennial. 



1 6. LAmium (Dead-nettle). — Hairy herbs with leaves so closely 

 resembling those of the Stinging Nettles that many persons are 

 afraid to handle them, though the square stems in the case of the 

 Dead-nettles, and the small, green flowers in spiked clusters in 



that of the Stinging 

 Nettles, are sufficient 

 to distinguish them 

 from one another. 

 The Dead - nettles 

 have their flowers in 

 many-flowered whorls 

 in the axils of leafy 

 bracts; calyx tubular 

 or bell-shaped, 5- 

 toothed ; corolla with 

 an inflated throat, 

 arched upper lip, 

 3-lobed lower lip ; 

 stamens 4, the 2 

 lowest the longest ; 

 anthers generally 



hairy, bursting length- 

 wise. (Name from 

 the Greek laimos, the 

 gullet, from the shape 

 of the corolla.) 



1. L. amplexicaule 

 (Henbit - nettle). — 

 Stem 4 — 10 in. high, 

 branched from tho 

 base ; lower leaves 



LEOVtfRUS CARDfACA {Common Motherwort). long-Stalked, rOUnd- 



ish, deeply cut; zipper 

 sessile, amplexicaul, kidney-shaped ; flowers crimson, in distant 

 whorls ; calyx small, very downy, with teeth converging in fruit ; 

 corolla with long, slender tube. — Dry waste places ; common. — 

 Fl. May — August. Annual. 



2. L. molucelli folium (Intermediate Dead-nettle). — Intermediate 

 between the preceding species and L. purpureum, but most 

 resembling the former ; stouter and more succulent ; calyx slightly 

 hairy ; teeth much longer than the tube, not converging in fruit ; 



