LABI A TAE. 785 



in the axils; corolla 6-iocm. long, violet or purple, pubescent. In dry sandy or 

 gravelly soil, N. Car. to 111., Iowa, Kans. and the Ind. Terr. April-July. 



ii. Scutellaria Brittonii Porter. BRITTON'S SKULLCAP. (I. F. f. 3085.) 

 Viscidly glandular, pubescent or puberulent, branched from the base; stems 1-2 

 dm. high, leafy. Leaves oblong or oval, sessile and entire or the lowest short- 

 petioled and slightly crenulate, obtuse, rather prominently veined on the lower sur- 

 face, 1-2.5 cm. long, the upper scarcely smaller; flowers solitary in the axils; 

 pedicels mostly shorter than the calyx; corolla pubescent, blue, 2-3 cm. long. Neb. 

 (according to Coulter); Colo, and Wyo. June-July. 



12 Scutellaria Bushii Britton, n. sp. BUSH'S SKULLCAP. Erect, rather stiff, 

 1.5-2.5 dm. high, finely ashy-pubescent. Leaves oblanceolate, obtuse, firm, entire, 

 sessile, 2-3.5 cm - ' on g> 3~5 mm - wide, the veins prominent; flowers axillary, short- 

 pedunctecl, 2.5 cm. long; corolla pubescent. Rocky grounds, Shannon Co. r Mo. (B. 

 F. Bush, No. 54, June 3, 1890). 



13. Scutellaria saxatilis Riddell. ROCK SKULLCAP. (I. F. f. 3086.) Per- 

 ennial by filiform stolons, glabrate or sparingly puberulent; stem weak, ascending 

 or reclining, 1.5-3 dm. long. Leaves ovate, slender-petioled, thin, coarsely cre- 

 nate, obtuse, cordate, 2-5 cm. long, or the lower nearly orbicular, and the upper 

 lanceolate, subacute and entire; flowers solitary in the upper axils, or clustered in 

 a terminal loose raceme; bracts longer than the pedicels; corolla light blue, very 

 nearly glabrous, 1.5-2 cm. long. On moist banks and in thickets, Del. to Va., 

 Ohio and Tenn. May -July. 



14 Scutellaria galericulata L. HOODED WILLOW-HERB. MARSH SKULL- 

 CAP. (I. F. f. 3087.) Perennial by filiform stolons, puberulent or pubescent; stem 

 3-9 dm. high. Leaves oblong-lanceolate to ovate-oblong, thin, short-petioled, or 

 the upper sessile, acute, dentate or the upper entire, subcordate or rounded at the 

 base, 2-6 cm. long, the uppermost usually much smaller; flowers solitary in the 

 axils; peduncles shorter than the calyx; corolla blue, puberulent, nearly or quite 

 2.5 cm. long, with a slender tube and slightly enlarged throat. In swamps and 

 along streams, Newf. to Alaska, N. Car., Ohio, Neb., Ariz, and Wash. Also in 

 Europe and Asia. June-Sept. 



15. Scutellaria nervosa Pursh. VEINED SKULLCAP. (I. F. f. 3088). Per- 

 ennial by filiform stolons; stem glabrous or sparingly pubescent, 2-6 cm. high. 

 Leaves thin, the lower slender-petioled, nearly orbicular, crenate, often subcordate, 

 the middle ones larger, ovate, 2-5 cm. long, sessile or nearly so, coarsely dentate 

 or crenate, the upper lanceolate or ovate-lanceolate, acute, commonly entire; flowers 

 solitary in the axils; corolla blue, 8-10 mm. long, puberulent, the lower lip longer 

 than the concave upper one. In moist woods and thickets, N. Y. and N. J. to 111., 

 N. Car., Tenn. and Mo. May-Aug. 



6 MARRUBIUM L. 



Perennial herbs, with petioled dentate rugose leaves, and smalt white or purplish 

 flowers in dense axillary clusters. Calyx tubular, 5-10- nerved, regularly 5-10- 

 toothed, the teeth nearly equal, or the alternate ones shorter, spreading or recurved 

 in fruit. Corolla-limb 2-lipped, the upper lip erect, the lower spreading, 3-cleft, its 

 broader middle lobe commonly emarginate. Stamens 4, didynamous, included, the 

 posterior pair the shorter; anthers 2-celled, the sacs divergent. Style 2-cleft at the 

 summit, the lobes short. Nutlets ovoid, smooth. [Name Middle Latin, its meaning 

 uncertain.] About 40 species, of the Old World. 



i. Marrubium vulgare L. WHITE HOARHOUND. (I. F. f. 3089.) Stem 

 stout, woolly. 3-9 dm. high. Leaves oval, broadly ovate or nearly orbicular, 

 rugose-veined, obtuse, crenate-dentate, 25 cm. long, rough, whitish above; petioles 

 1-2.5 cm - l n g> usually exceeding the flowers; clusters many-flowered; flowers 

 whitish; calyx-teeth usually 10, subulate, glabrous above, woolly below. In waste 

 places, Me. and Ont. to Minn., Br. Col., N. Car., Tex. and Mex. Nat. from 

 Europe. 



7. AGASTACHE Clayt. [LOPHANTHUS Benth.] 



Tall perennial herbs, with serrate, petioled leaves, and yellowish purplish 

 or blue flowers, verticiilate-clustered in thick bracted terminal spikes. Calyx nar- 

 rowly campanulate, somewhat oblique, slightly 2-lipped, 5-toothed, Corolla 



