DIDYNAMIA— GYMNOSPERMIA. Glechoma. 89 



full of pellucid dots, and a little hairy chiefly beneath. Whorls 

 sessile, numerous, many-flowered, large in proportion to the 

 foliage. Bracteas none. Flower-stalks purplish, clothed entirely 

 with very short, dense, hoary pubescence. Cul. tubular, slender, 

 nearly cylindrical, besprinkled with resinous dots, strongly rib- 

 bed and furrowed, covered with very short, dense, prominent 

 hairs ; the teeth unequal, sharp-pointed, fringed ; mouth closed 

 with converging white hairs, as in Thymus. Cor. externally hairy, 

 light purple, occasionally white, exactly answering to the cha- 

 racter of Mentha, as well as the stamens. 

 Penny-royal is a popular remedy for many obstructions, as well as 

 for debility of the internal organs, being powerfully stimulant 

 and tonic, but less grateful than Fepper Mint, 



288. GLECHOMA. Ground-ivy. 



Linn. Gen. 291. Juss. 1 13. Fl. Br. 625. Lam. t. 505. 



Cal. tubulai', cylindrical, striated, permanent, with 5 point- 

 ed, unequal, marginal teeth. Cor. ringent ; tube slender, 

 compressed ; upper lip erect, obtuse, cloven half way 

 down; lower larger, in 3 spreading obtuse segments, the 

 middle one broadest, cloven. Filani. under the upper 

 lip. Anth. of each pair converging in the form of a cross. 

 Germ, superior, small, four-cleft. Style thread-shaped,, 

 curved under the upper lip. Stigma in 2 acute divisions. 

 Seeds 4, ovate, in the bottom of the permanent calyx. 



A small genus, of perennial, downy, somewhat aromatic, 

 herbs; with heart-shaped, crenate, or serrated, leaves, and 

 axiW-Avy powers. 



1. G. hcderacca. Common Ground-ivy, Gill, or Ale- 

 hoof. 



Leaves kidney-heart-shaped, crenate. 



G.hederacea. Linn. Sp. PL 807. mild. v. 3. 85. Fl. Br. 025. 

 Etigl. Bot. V. 1 2. t. 853. Curt. Loml fuse. 2. t. 4-4. Mart. Rust. 

 f. 61. IVoodv. t.28. Hook. Scot. 18\.^ FL Dan. t. 789. Bull. Fr. 

 t.24\. 



Chamaeclema n. 245. Hall. Hist. v. 1 . 107. 



Ch. vulgare. I'ailL Par. 33. t. 6.f. 4, 5, 6. 



Calamintha humilior, folio rotundiore. Raii Syn. 243. 



Hedera terrestris. Brunf. Herb. r. 1 . 1 67./. Ger. Em. tioG.f. Matth. 

 Valgr. V. 1 . 574. /. Cumer. Epic. 400, 401 ./,/. Riv. Monop. 

 Irr. t.67.f. 1,2. 



Chamscissos. Trag. HisL 799. f. Fuchs. HisL 87G./. 



In dry shady places, by road sides and about hedge banks, com- 

 mon. 



