804 FLORA. 



throat, the lobes spreading; sterile stamens minute or obsolete; nutlets I-I.5 mm. 

 long, oblique at the top. In moist soil, Newt, to lir. Col., Va., Neb. and Ore. 

 Type from Van Cortlandt, N. Y. Aug-Sept. 



3. Lycopus membranaceus Bicknell, n. sp. Thin leaved Bugle weed. 

 Puberulent to glabrate; stem slender from a tuberous base; stolons weakly devel- 

 oped, or wanting. Leaves very thin, lanceolate to oblong-lanceolate, mostly 

 acuminate, narrowed into a slender petiole, coarsely toothed, C-n cm. long; clus- 

 ters very small; calyx-lobes ovate, obtuse; corolla 3-4 mm. long, with smaller and 

 less spreading lobes than in L. communis/ nutlets 1.5 mm. long, or more, oblique at 

 the top. In wet woods, Me. to N. Y. and Mich. Type from Mt. Desert, Me. 

 Aug. -Sept. 



4. Lycopus sessilifolius A. Gray. Sessile-leaved Water Hoarhoind 

 (I. r. f. 3169.) Glabrous, or puberulent' above, perennial by stolons and suckers; 

 stem 3-6 dm. high. Leaves ovate-lanceolate or oblong lanceolate, sessile, acute 

 or acuminate, sharply serrate, somewhat narrowed at the base, 2-5 cm. long; 

 bracts very small, acute; calyx-teeth usually 5, subulate, rigid, nearly as long as 

 the tube; rudimentary posterior stamens oval. In wet soil, eastern Mass. to Fla. 

 Aug. -Oct. 



5. Lycopus rubellus Moench. Stalked Water Hoarhound. (I. F. f. 

 3170.) Glabrous or minutely puberulent, perennial by long leafy stolons, 3-10 

 dm. high. Leaves ovate to oblong-lanceolate, or narrower, acuminate, sharply 

 dentate, narrowed or cuneate at the base, 5-15 cm. long; bracts minute, acute or 

 acuminate; calyx-teeth triangular-subulate, herbaceous, one-half as long as the 

 tube or more; rudimentary stamens small, oval to oblong, or obsolete. In wet soil, 

 N. Y. to Fla., Ohio, Ark. and La. July-Oct. 



6. Lycopus Americanus Muhl. Cut-leaved Water Hoarhound. (I. F. 

 f. 3171.) Puberulent or glabrous, perennial by suckers; stem stiff, sharply angled, 

 1-9 dm. high. Leaves lanceolate or ovate-lanceolate, petioled, acuminate, incised, 

 pinnatifid or the uppermost merely serrate, 3-10 cm. long; bracts subulate; calyx- 

 teeth triangular-subulate, cuspidate, rigid; corolla little exceeding the calyx, 

 dilated at the throat; rudimentary stamens thickened at their tips. In wet soil, 

 New£ to Br. Col., Fla., Tex., Utah and Cal. June-Oct. 



7. Lycopus lucidus Turcz. Western Water Hoarhound. (I. F. f. 3172.) 

 Perennial by stolons; stem usually stout, strict, 3-9 dm. high. Leaves oblong- 

 lanceolate, acute, sessile, or short-petioled, 5-15 cm. long, sharply serrate with 

 acute ascending teeth; bracts ovate or lanceolate, acuminate-subulate; calyx-teeth 

 c. subulate-lanceolate, nearly as long as the tube; corolla little longer than the 

 calvx; rudimentary stamens thickened at the tips. In wet soil, Neb. to Kans., 

 Br. Col. Cal. and Ariz. Also in Asia. The American plant perhaps distinct 

 from the Asiatic. July-Sept. 



8. Lycopus asper Greene. Rough Bugle-weed. Stems simple, 3-6 dm. 

 high, obtusely angled, leafy. Leaves firm, narrowly lanceolate to oblong-lanceolate, 

 acute, sessile, scarcely narrowed at the base, strongly and nearly equally serrate 

 with very sharp teeth, 4-6 cm. long, much longer than the internodes, conspicuously 

 veiny, rough on both surfaces; calyx-teeth ovate-lanceolate, acuminate; nutlets 

 very short, smooth. Minn, to the N. W. Terr. July-Aug. 



9 Lycopus Europaeus L. Water ok Marsh Hoarhound. Gipsy-wort. 

 GlPSY-HERB. (I. F. f. 3173.) Puberulent or pubescent, perennial by suckers, 3-8 

 dm. high. I.< avea ovate, ovate-oblong, or oblong-lanceolate, short-petioled, or the 

 upper sessile, coarsely dentate, or the lower incised at the base, 2-8 cm long, 

 bracts subulate-lanceolate; calyx-teeth subulate-spinulose; corolla scarcely longer 

 than the calyx; rudimentary posterior stamens obsolete. In waste places, N. Y. 

 to Va. Nat. from Europe. July-Sept. 



35. MENTHA L. 

 Odorous herbs, with simple mostly punctate leaves, and small whorled purple 

 pink or white Bowers, the whorls axillary or in terminal -pikes. Calyx IO-nerved. 



regular, or slightly 2-lipped, 5 toothed. Corolla-tube shorter than the calvx. the 



limb 4-. left, the DO terior lobe usually somewhat broader than the other-, entire or 



emargin&te. Stamens 4, equal, erect, included or exserted, sometimes imperfect* 

 filaments glabrous; anthers 2-celled, the sacs parallel. Nutlets ovoid, smooth. 



