LABIAT.E. (.MINT FAMILY.) 357 



t- H- Corolla (S"-9" hnrj), with n slc/ulrr tube: Innrr lip larfje and rallur longer 

 tluin the so.'ueichat inched uii/x r lip : stem aiiiiple. 



9. S. galericulata, L. Smooth or a little downy, erect (l°-2° high) ; 

 leaves ovatc-lanccohitc, acute, serrate, roundish and slightly heart-shaped at the 

 base ( 1' - 2' long). — Wet shady places : common northward. ( En.) 



* * * Flowers small [blue, 3" long), in axillarjj and ofien also in terminal one-sided 

 racemes ; the lower Jioral leaves like the others, the upper small and bract-like. 



10. S. laterifldra, L. Smooth; stem upright, much branched {\°~2° 

 high) ; leaves lanceolate-ovate or ovate-oblong, pointed, coarsely serrate, rounded 

 at the base, petioled (2'- 3' long). — Wet shaded places : common. — A iiuack 

 having formerly vaunted its virtues as a remedy for hydrophobia, this species 

 bears the name of Mad-dog Skullcap. 



27. MARRtlBIUM, L. Horehound. 



Calyx tubular, 5 - 10-nerved, nearly equally 5 - 10-toothed ; the teeth more or 

 less spiny-pointed and spreading at maturity. Upper lip of the corolla erect, 

 notched ; the lower spreading, 3-cleft, its middle lobe broadest. Stamens 4, 

 included in the tube of the corolla. Nutlets not truncate. — Whitish-woolly bitter- 

 aromatic perennials, branched at the base, with rugose and crenatc or cut leaves, 

 and many-flowered axillary whorls. (A name of Pliny, said to be derived from 

 the Hebrew marrob, a bitter juice.) 



1. M. vulgXue, L. (Common Horehound.) Stems ascending; leaves 

 round-ovate, petioled, crenatc-toothed ; whorls capitate; calyx with 10 recurved 

 teeth, the alternate ones shorter; corolla small, white. — Escaped from gardens 

 into waste places. (Nat. from Eu.) 



28. GALEOPSIS, L. Hemp-Nettle. 



Calyx tubular-bcll-shaped, about 5-nerved, with .5 somewhat equal and spiny- 

 tip])ed teeth. Corolla dilated at the throat ; the tipper lip ovate, arched, entire ; 

 the lower 3-cleft, spreading ; the lateral lobes ovate, the middle one inversely 

 heart-shaped ; palate with 2 teeth at the sinuses. Stamens 4, ascending under 

 the upper lip : anther-cells transversely 2-valved ; the inner valve of each cell bristly- 

 fringed, the outer one larger and naked. — Annuals, with spreading branches, 

 and several - many-flowered whorls in the axils of floral leaves which are nearly 

 like the lower ones. (Name composed of yaXerj, a weasel, and o\j/^is, resemblance, 

 from some fancied likeness of the corolla to the head of a weasel.) 



1. G. TetrXiiit, L. (Common Hemp-Nettle.) Stem swollen below the 

 joints, bris>li/-hairi/ ; leaves ovate, coarsely serrate ; corolla pur]ilish, or variegated, 

 about twice the length of the calyx ; or, in var. graxdi flora, 3-4 times the 

 length of the calyx, often yellowish with a purple spot on the lower lip. — 

 Waste places : rather common. Aug., Sept. (Nat. from Eu.) 



2. G. LAdanum, L. (Red H.) Stein smooth or pubescent; leaves ob/ong- 

 lanceolate, more or less downy ; corolla red or rose-color (the thront often spotted 

 with yellow), much exceeding the calyx. — Eastern New England : rare. Aug. 

 (Adv. from Eu.) 



