Ord. 1.] DIDYNAMIA GYMNOSPERMIA. 123 



Ditches and watery pi. If. 9. Smoothish, 4—6 f. Fl. large, reddish. 



9. M. gentilis, 30. 2118. (Bushy Red M.) Flowers whorled. Leaves 



ovate. Stem much branched, spreading. Flower-stalks, and base 

 of the bell-shaped calyx, nearly smooth. 

 Watery pi. rare. If. 8. Bushy, slightly hairy, 12 — 18 in. Cor. 

 small, pale purple. 



10. M. gracilis, M. gentilis, 7. 449. (Narrow-leaved M.) Flowers 

 whorled. Leaves lanceolate, nearly sessile. Stem much branched, 

 erect. Flower-stalks, and base of the calyx, quite smooth. 



Wet sit. If. 8. Grass green, roughish. Cor. bearded at the tip. 



11. M. arvensis, 30. 2119. (Corn M.) Flowers whorled. Leaves 

 ovate. Stem much branche'd, spreading. Calyx bell-shaped, 

 covered with horizontal hairs. 



Watery fields, If . 6—9. Odour strong, like that of mouldy cheese. 



12. M. agrestis, 30. 2120. (Field M.) Flowers whorled. Leaves 

 somewhat heart-shaped, wrinkled, strongly serrated. Stem erect. 

 Calyx bell-shaped, covered all over with horizontal hairs. 



Fields, S. of Eng. If. 8. Odour like the last :—A variety ? 



13. M. Pulegium, 15. 1026. (Penny-royal.) Flowers whorled. Leaves 



ovate. Stem prostrate. Flower-stalks and calyx all over downy ; 

 its teeth fringed. 

 Wet commons. If . 9. Small; with a peculiar, strong, acrid odour. 



288. GLECHoMA. Ground-ivy. 



1. G. hederdcea, 12. 853. (Common G.) Leaves kidney-heart- 

 shaped, crenate. 

 Groves & hedges. If. 4, 5. Creeping, downy. Fl. blue; palate white. 



289. LaMIUM. Dead-nettle. 



1. L. album, 11. 768. (White D.) Leaves heart-shaped, pointed, 



hairy, strongly serrated. Flowers about twenty in a whorl. 

 Tube of the calyx shorter than its teeth. Upper lip of the 

 corolla notched. 

 Waste gr. If. . 5 — 9. Fl. white, with black anth. ; teeth lanceolate. 



2. L. maculdtum, 36. 2550. (Spotted D.) Leaves heart-shaped, 



pointed, strongly serrated, hairy. Flowers about ten in a whorl. 

 Tube of the calyx curved, as long as its teeth. Upper lip notched. 

 Banks, rare. 2f . 4. Fl. large, crimson ; teeth bristle-shaped. 



3. L. purpureum, 11. 769. (Red D.) Leaves heart-shaped, unequally 



crenate, bluntish, stalked ; the upper ones crowded. Stem leaf- 

 less in the middle, Tube of the corolla, near the bottom, closed 

 with hairs. Calyx-teeth lanceolate. 

 Waste and cult. gr. © . 5 — 9. Fl. purplish red, with red anth. 



4. L. incisum, 27. 1933. (Cut-leaved D.) Leaves heart-shaped, di- 



lated, stalked, irregularly cut ; the upper ones crowded. Tube 

 of the corolla internally naked. Stem leafless in the middle. 

 Sandy fields. 0. 5. Small. Fl.red; teeth broad, confluent. 



5. L. amplexicdule, 11. 770. (Henbit D.) Floral leaves sessile, kid- 



