ORDER LXXX. LABIAT^E LABIATE-FAMILY. 



181 



; corolla purplish-blue ; stamens 4. A tall, showy plant, 8 8 ft. high. 

 Common In waste places and low grounds. July Sep. 



2. V. urticifolia. Nettle-leaved Vervain. 



Somewhat pubescent; am tall, erect, branching; leaves ovate, or oblong- 

 ovate, acute, coarsely serrate, petlolate, strongly nerved; flowers minute, re- 

 mote, white, sessile in elongated, very slender, axillary and terminal spikes. A 

 weed of mean appearance, with leaves somewhat resembling those of the 

 Kettle; common in waste places. Stem 2 8 ft high. July Aug. Per. 



2. MESTDA. Corolla with 4 nearly equal lobes. Stamens sttaight, nearly 

 e<inal. 



6. PYCTTANTUEMUM. Calyx about 13-ncrved. Upper lip of the corolla flat, 

 nearly or quite entire. Lower lip with 8 obtuse lobes. Flowers in dense, many- 

 bracted whorls. 



8. SATUREJA. Calyx 10-ribbed. Lips of the corolla nearly equal. Flowers 

 spicate, pink. 



9. Uyssopus. Calyx about 15-ribbcd. Upper lip of the corolla erect, flat, 

 cmarginate. Flowers spicate, blue. 



l'i. LopflANTinrs. Calyx lo-rlbbed, obliquely 5-toothed. Upper lip of the 

 corolla flat, emarginate. Stamens exsert ; lower pair shorter than the upper 



3. V. Aubl<Hia. 



Garden Verbena. 



pair. 



'.!4. TEUCRIOC. Corolla 5-lobed ; 4 upper lobes nearly equal, doclinatc ; 



tuo ' - ' 



Stem weak, decumbent at base, erect above, square, viscid-pubescent with 

 opposite branches ; leaves oval, deeply cut and toothed, on short petioles ; 

 flowers large, In solitary, dense, corymbose clusters, on long peduncles ; bracts 

 downy, nearly as long as the downy calyx, narrow, persistent ; corolla rose-red 

 or scarlet, with emarginate lobes. A very pretty plant, frequent in house culti- 

 vation, often aUo cultivated in the open air. Stem 1 3 ft high. May, and 

 all summer: 



2. PHRYMA. 



Calyx cylindrical, bilabiate; upper lip longer, with 3 

 bristly teeth; lower lip 2-toothcd. Corolla bilabiate ; upper lip 

 emarginate ; the lower much larger, 3-lobcd. Style slender. 

 Stigma 2-lobcd. Fruit oblong, 1-celled, 1-seeded. Per. 



1. P. leptostachya. Lopseed. 



Stem erect, slender, square, branching, pubescent ; leaves ovate, coarsely 

 serrate, thin and large, petiolate; lower ones on long petioles; flowers op- 

 posite, rather small. In very long, slender, axillary and terminal spikes; co- 

 rolla light purple; pedicels of the fruit deflexed; seed solitary, Inclosed In a 

 thin pericarp, all Invested by the closed calyx. A rather elegant plant, 1-3 ft 

 high, distinguished by U long, slender spikes and deflexed fruit Common In 

 rich woodlands. July 



ORDER LXX X. Labiatae. Labiate-family. 



A. Fertile Stamen* 3. 

 Calyx-teeth nearly equal. 



(.'..rolla with 4 nearly equal segments. 



8. Lrooprra. 



4. MOXAUA. Corolla bilabiate ; upper lip linear. 



* Calyx dUtinctly bilabiate. 



5. SALVIA, Upper lip of the corolla nearly or quite entire. 

 Nch anther artlulUed transversely to the filament ; each extrei 

 1 anther cell. 



10. COLLIX 

 Up fringed. 



11. 1ICDEO 



I 'M|IH> rfiY i,f 



tremity supporting 



,. Upper lip of the corolla with 4 nearly equal lobes ; lower 

 Upper lip of the corolla emarginate. 



H. Fertile Stamenl 4, didynammu. 

 a. Calyx dMinctly bilabiate, with teqmentt unequal in length. 



Matncn* ascending under the upper lip of the 

 rorolla. 



I-J. MELISSA. Lips of the calyx toothed. Lower lip 3-lobed, the middle 

 lobe entire. Filaments simple. 



-iTTtLLARlA. Lips of the calyx entire. Upper sepal vaulted, in fruit 

 closing over the lower one like a lid. 



1 1 I'RirxRLLA. Middle segment of the 3-lobed lower lip, finely toothed. 

 Filaments forked, the lower portion bearing the anther. 



' * stami'ii-4 not 

 orollii. 



Included in the upper lip of the 



Upper Up of the corolla emarginate. 

 Stamens much ex- 



7. TIITMCS. Calyx hairy In the throat 

 8tamen<* slightly exsert. 



23. TnoBorabu. Upper Up of the corolla 2-lobcd. 

 scrt, curved upwards In a circle. 



o. Calyx-teeth 5, nearly equal in length. 



Included beneath the upper lip of the 



* Slnmcna 

 corolla. 



}'>. NKI-FTA. rorolla-tube expanded at the throat Upper lip emarglnato. 



-cement at the lower lip crenate. 



IT. Pmnoteu. Calyx Inflated after flowering. Corolla-tube much ox- 

 cried, inflated. Upper lip nearly erect entire. 



It. I.ixnx. Corolla-tube expanded at the throat Upper Up vaulted, nar- 

 rowed at base. Middle segment of the lower lip cmarifinate, contracted at base. 

 . Ln>*nacs. Upper Up of the? corolla oblong, somewhat arched, entire. 

 Middle imtmcnt of the lower Up ob' 



1 IT lip. ,f the corolla ovate, arched, entire. Middle seg- 

 ment of tin- lower lip uhomlate, crcnately toothed ; the palate with 2, tecth- 

 like pr'H-e*^-* <-ii tli" ii[)ir -.i'l.- 



T the corolla nearly erect Middle segment of 

 Ike I" 



* Ktamcii-i erect or usccndiufr, not included in the 

 p<-r lip of the corolla. 



I lower lip roundish. Stamens exscrt from the cleft between the 2 uppermost 

 lobes of the corolla. 



* * * Stamens declinate. 



1. LAVANDDLA. Calyx with 5 similar teeth. Upper lip of the corolla 2- 

 lobed ; lower 8-lobed. 



c. Calyx-teeth W. 



22. MARRUBIUU. Calyx with 5 short teeth, alternating with 5 longer ones, 

 all at length spiny. 



1. LAVANDULA. 



Calyx ovoid-cylindric, with 6 short teeth ; the upper ones 

 often the largest. Upper lip of the corolla 2-lobed ; lower lip 3- 

 lobed ; lobes nearly equal. Stamens included. Per. 



1. L. spica. Lavender. 



Stem suffrutlcose and branching at base ; leaves linear-lanceolate, tapering 

 at base, sessile, revolute on the margin, white-downy ; the lower ones broader 

 near the extremity ; the uppermost becoming bracts, shorter than the calyx; 

 flowers light purple, in interrupted spikes ; calyx villous ; corolla much exsert 

 A well-known plant, often cultivated for Its powerfully aromatic and stimulant 

 properties arising from the presence of a volatile oil, which Is often used in 

 medicine. Stem 10' 18' high. July. 



2. M4NTIIA. 



Calyx somewhat campanulate, with 5 nearly or quite equal 

 teeth. Corolla with a short lube included in the calyx, nearly 

 regular, 4-cleft; upper lobe broadest, entire or emarginate. 

 Stamens 4, nearly equal, straight, distant Achcnia smooth. Per. 



1. M. Canadensis. Horsemint. 



Pubescent; stem low, ascending, simple or branching, pubescent with re- 

 versed hairs on the angles; leaves oblong, or oblong-lanceolate, serrate, petiu- 

 late, acute, tapering at base, on short, pubescent petioles ; flowers small, pale 

 purple, in dense, axillary, globular whorls ; calyx hairy ; stamens exsert A 

 plant of a grayish-green aspect, and a somewhat heavy, aromatic odor. Com- 

 mon In wet grounds and along brook-sides. Stem 12 ft high. July Sept. 



2. M. viridis. Spearmint. 



Boot creeping ; stem smooth, erect, with erect branches ; leaves subsessile, 

 ovate-lanceolate, acute, unequally serrate, smooth ; flowers pale purple, In dis- 

 tinct, axillary whorls, arranged In slender, Interrupted spikes ; bracts setaceous ; 

 calyx-teeth somewhat hairy ; style much exsert A very common plant, much 

 esteemed in domestic medicine. Stem 1 2 ft high. Wet grounds. July. 



3. M. piperita. Peppermint. 



Smooth ; stem purplish, erect, branching ; leaves ovate or ovate-lanceolate, 

 acute, serrate, petlolate, dark green ; flowers purplish, In dense, aggregated 

 whorls, forming compact spikes, Interrupted below ; bracts lanceolate. A well- 

 known aromatic plant of still greater pungency, and of far more agreeable flavor 

 than the last Stem 23 ft high. Often cultivated, and sometimes natural- 

 ized In wet grounds and along brooks. July. 



8. LYCOPUS. 



Calyx tubular, 4 5-toothed. Corolla campanulate, scarcely 

 longer than the calyx, with 4 subequal lobes; upper segment 

 broadest, emarginate. Stamens 2, distant, sometimes with 2 ste- 

 rile rudiments of stamens. Style straight. Achenia smooth, 

 with thickened margins. Per. 



1. L. sinudtua. Water Hoarhound. 



Smooth ; stem sharply 4-anglcd, branching; leaves oblong-lanceolate, taper- 

 ing at both ends, petlolate, sinuately-toothed; lowest plnnatifld; uppermost 

 linear and nearly entire ; flowers small, white, In dense, axillary whorls ; calyx* 

 teeth .\ spinefoent, longer than the achenia. A llglit ^-reen h. -rlv, 10' 18' high, 

 resembling the Mints, but distinguished by its entire want of fragrance. Com- 

 mon In low grounds. Aug. 



