88 DIDYNAMIA— GYMNOSPERMIA. Glechoma. 



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. Cal. 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. exernally 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 Pepper Mint. 



288. GLECHOMA. Ground-ivy. 



Linn. Gen. 291. Juss.WS. FLBr. 625. Lam.t. 505. 



Cal. tubular, 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. Filam. 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 

 a:idl\ary Jlowcrs. 



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

 hoof. 



Leaves kidney-heart-shaped, crenate. 



G. hederacea. Linn.Sp. Pl.807. Willd. v. 3. 85. Fl. Br. 625. 



Engl. Bot. V. 12. t. 853. Curt. Lond.fasc. 2. t. 44. Mart. Rust. 



t.6l. Woodv.t.28. Hook. Scot. \ 81. Fl. Dan. t.789. Bull. Fr. 



t.24l. 

 Chamaeclema n. 245. Hall. Hist, v.].] 07. 

 Ch. vulgare. Faill. Par. 33.t.6.f. 4, 5, 6. 

 Calamintha humilior, folio rotundiore. Rail Syn. 243. 

 Hederaterrestris. BruK/.iferfe.u. 1.167./. Ger.Em.856.f. Matth. 



Valgr. V. 1 . 574./. Camer. Epit. 400, 401 ./ /. Riv. Monop. 



Irr.t.67.f.\,2. 

 Chamsecissos. Trag.Hist.799.f. Fuchs.Hist.876.f. 



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

 mon. 



