LABIA TAE. 785 



in the axils; corolla 6-10 cm. long, violet or purple, pubescent. In dry sandy or 

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



11. 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 - l n g> th e 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 - l n g> 3~5 mm - wide, the veins prominent; flowers axillary, short- 

 peduncted, 2.5 cm. long; corolla pubescent. Rocky grounds, Shannon Co., 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, withpetioled dentate rugose leaves, and small white or purplish 

 flowers in dense axillary clusters. Calyx tubular, 5-iO-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, 2-5 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. 



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

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

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



