CL. XIV.] DIDYNAMIA GYMNOSPERMIA. 247 



matic, and has been variously used as a medicine. Perennial : 

 flowers in April and May : grows by old walls, hedges, and road- 

 sides : common. Eng. Bot. vol. xii. pi. 853. Eng. Fl. vol. iii. p. 88. 



864. 

 7. LA'MIUM. DEAD-NETTLE. 



Calyx of one leaf, tubular, becoming wider towards the 

 mouth, with five nearly equal, awn-tipped teeth. Corolla 

 gaping tube cylindrical, very short ; limb open ; throat in- 

 flated, compressed, bulging, bordered at each side with one or 

 more little reflected teeth ; upper lip vaulted, roundish, obtuse ; 

 lower lip shorter, inversely heart-shaped, notched. Filaments 

 awl-shaped, covered by the upper lip ; anthers oblong, hairy. 

 Germen four- cleft. Style thread-shaped, of the length of the 

 stamens ; stigma divided into two acute, spreading segments. 

 Seeds four, short, three-cornered, convex on one side, at the 

 bottom of the calyx. -Name from Lamia, a celebrated marine 

 monster. 286. 



1. L. album. White Dead-nettle. White Archangel. Leaves 

 heart-shaped, pointed, deeply serrate, hairy ; flowers about twenty 



in a whorl. Root creeping : stems decumbent at the base, erect, 



about a foot high : covered with short deflected hairs : leaves 

 veiny, hairy : flowers large, white, hairy. Perennial : flowers in 

 May and June, but individuals may be got in flower at all sea- 

 sons : grows among rubbish, and by hedges, walls, and road-sides : 

 common. Eng. Bot. vol. xi. pi. 768. Eng. FL vol. iii. p. 89. A va- 

 riety with purple flowers and spotted leaves is the L. maculdtum, 

 Spotted Dead-nettle. Eng. Bot. vol. xxxvi. pi. 2550. Eng. Fl. vol. iii. 

 p. 90. 865. 



2. L.purpureum. Red Dead-nettle, QT Archangel. Leaves heart- 

 shaped, bluntish, unequally crenate, stalked, the upper ones 

 crowded ; tube of the corolla closed near the bottom with hairs. 



-Root fibrous : stem curved at the base and branched, then 



erect, densely leafy at the top : flowers purplish-red. Annual : 

 flowers all the year-round : grows in loose soil every where. Eng. 

 Bot. vol. xi. pi. 769. Eng. Fl. vol. iii. p. 91. 866. 



3. L. incisum. Cut-leaved Dead-nettle. Leaves broadly heart- 

 shaped, obtuse, stalked, irregularly cut, the upper ones crowded ; 



tube of the corolla internally naked. Resembling the last, but 



differing essentially in the characters given. The leaves are less 

 rugged and thinner. Annual : flowers all the year round : grows 

 in loose soil : common. Eng. Bot. vol. xxvii. pi. 1933. Eng.Fl. vol. 

 iii. p. 91. 867. 



4. L. amplexicaule. Hen-bit Dead-nettle. Leaves broadly heart- 

 shaped, obtuse, deeply crenate, the upper ones embracing the stem. 



Lower leaves stalked, upper sessile, all hairy : corolla with 

 the upper lip crimson and downy, the lower pale and spotted. It 

 frequently occurs with a small externally hairy corolla, which 

 never expands. Annual : flowers in the summer months : grows 

 in loose soil : common. Eng. Bot. vol. xi. pi. 770. Eng. Fl. vol. iii. 

 p. 92. 868. 



8. GALEO'PSIS. HEMP-NETTLE. 



Calyx of one leaf, tubular, with five spreading, thorn-tipped 

 teeth, as long as the tube. Corolla gaping ; tube slender at the 



