LABIATE. (MINT FAMILY.; 295 



in the middle, acuminate at both ends, tajwring into a short jtctiole : bractu verv 

 short: calyx-teeth cwate or Laiuoolate-ovate, ohluse or hurely luutish : hlerile 

 stamens miuute rudiiueuts. — Fruin British Coluiuhia and Oregon to Florida 

 aud Labrador. 



2. L. lucidus, Turcz. Stem strict, stout, 2 or 3 feet hii;h, liirsuie-puhe*- 

 cent or glabrate, aciitrl// angled abure : leaves lauc^eolate and ol>lou<;-lanceulAte, 

 2 to 4 inches long, acute or acuminate, ven/ sharpli/ and cuarsdif serrate with 

 iriinKjular-suhidate ascending teelli, sessile or ne<trli/ so bij an oljtnse or ariUe base, 

 coarsely punctate : outer bracts conspicuous, very acute : calyx-teeth aiienuate- 

 subulate : sterile stamens clavate-tipped rudiments. 



Var. Americanus, Gray. Leaves dull, often minutely puberuhnt Ixjth 

 sides: calyx-teeth less rigid. — Bot. Calif, i. 592. From the Sa.skatchewau to 

 Arizona aud California. 



* * Not stoloniferous, but rootstocks more or less creeping : calijx-tetth 5, cuspidate, 



rigid. 



3. L. sinuatus, Ell. Stem erect, 1 to 3 feet high, acutely 4 an;;led, ghi- 

 brous, roughish or minutely pubescent: leaves oblong or lanceolate, H or 2 

 inches long, acuminate, irregularly incised or laciniatejjinuatifid, or some of 

 the upper merely sinuate or iucisely toothed, tapering at base mostly into a 

 slender petiole : rudiments of sterile stamens slender, con8])icuous, with a 

 globular or subclavate tip. — L. Europoeus, var. sinuatus, Gray. Across the 

 continent. 



4. PYGNANTHEMUM, Michx. Mountain Mint. Basil. 



Erect herbs, pleasantly aromatic, branching above; flowers small, whitisli 

 or purplish, often purple-dotted. In ours the flowers are in small and numer- 

 ous glomerules which are capitate aud densely fastigiate-cymose, copiously 

 imbricated witli sliort appressed bracts. 



I. p. lanceolatum, Pursh. Stem somewhat pubescent: infloresc-ence 

 villous-canescent : leaves lanceolate or almost linear, nervose-veined, obtu.«;e at 

 base, nearly sessile, entire : bracts ovate or lanceolate : calyx-teeth ovate- 

 deltoid, acute. — Within the eastern limit of our range, aud extending from 

 thence eastward across the continent. 



5. MONARDELLA, Benth. 



Flowers in terminal and solitary verticilhustrate hc:uls, suhtendetl or U\- 

 volucrate by broad often membranaceous and colored bracts : corolla from 

 whitisli or flesh-color to rose-))ur])le. 



L M. odoratissima, Benth. Cinereou.s-j)ubcrulent or minntely tonien- 

 tulose, or nearly glabrous, but pale : a span to a foot high : leavo.>» from nar- 

 rowly oblong to broadly lanceolate, entire or nearly so, shori-petit»Ie<l, or the 

 upper subsessile, both sides alike: bracts thin-menibranaceous and eoloreil 

 (whitisli or purple) : calyx-teetli hirsute. — Sierra Madrc Range in Colora<lo 

 and thence westward aud northward. Odor of Peunyroyal. 



