LABIATAE (MINT FAMILY) 708 



» * Lower anther-cell wanting; the sterile ends of the connectives mostly united. 

 -- Calyx obscurely bilabiate; corolla 1.5-2.5 cm. long^ with prominently exserted 



tube. 

 2. S. aziirea Lam., var. grandiflbra Benth. Cinereous-puberulent, 0.5-1.5 

 m. high ; lower leaves lanceolate or oblong, obtuse, denticulate or serrate, 

 tapering to a short petiole ; upper narrower, often linear, entire ; inflorescence 

 spike-like, tomentulose-sericeous ; calyx-teeth short, the broad upper lip entire ; 

 corolla blue or white. (/S. Fitcheri Torr.) — Minn, to Mo., westw. and southw. 

 July-Sept. 



••- •♦- Calyx deeply bilabiate; corolla-tube hardly at all exserted. 

 ■w. Annual. 

 8. S. lanceaefblia Poir. Puberulent or nearly glabrous, 1-12 dm. high; 

 leaves lanceolate or linear-oblong^ irregularly serrate or nearly entire, tapering 

 to a slender petiole ; inflorescence virgate-spiciform, interrupted; upper lip of 

 calyx entire, lower 2-cleft ; corolla blue, 1 cm. long, little exserted; style gla- 

 brous or nearly so. (S. lanceolata Broussonet, not Lam.) — Plains and open 

 soil, Ind. (C. P. Smith) to Neb., Tex., and Ariz.; introd. at Columbus, O. 

 (^Kellerman). May-Oct. 



++ ++ Perennials. 



= Pedicels about equaling the fruiting calyx. 



4. S. urticifblia L. Villous-pubescent and someichat viscid, or glabrate, 3-6 

 dm. high ; leaves coarsely serrate, ovate, with truncate or cuneate base decurrent 

 into a loinged petiole ; inflorescence racemose-spicate, of numerous distant clus- 

 ters ; calyx-lips divergent, the upper S-toothed, lower 2-cleft ; corolla blue and 

 white, 1-1.5 cm. long, twice the length of the calyx; style strongly bearded. — 

 Woodlands, Pa. to Ky., s. to Ga. and La. May-July. 



= = Pedicels much shorter than the fruiting calyx. 



5. S. SclXrea L. (Clary.) Villous-pubescent, viscid, stout, 1 m. or less 

 high ; leaves ample, long-petioled, ovate and cordate, crenate, rugose, the floral 

 forming large bracts of the spike, tinged with white and rose-color ; corolla 

 white and bluish, rather large, the long upper lip falcate and compressed. — 

 Escaped from gardens, from Pa. southw. (Introd. from Eu.) 



6. S. VerbenAca L. Puberulent to villous, 3-6 dm. high ; leaves ovate or 

 oblong, mostly sinuate-incised or moderately pinnatifid, the lobes crennte- 

 toothed, rugose, the few cauline mostly sessile, the floral inconspicuous; spike 

 interrupted; calyx reflexed after flowering; corolla bluish, small, the upper lip 

 nearly straight. — Sparingly in waste places, Middle and Southern States. (Nat. 

 from Eu.) 



21. MONArDA L. Horse Mint 



Calyx 15-nerved, usually hairy in the throat. Corolla elongated, with a 

 slightly expanded throat; lips linear or oblong, somewhat equal, the upper 

 erect, entire or slightly notched, the lower spreading, 3-lobed at the apex, its 

 lateral lobes ovate and obtuse, the middle one narrower and slightly notched. 

 Stamens elongated, ascending, inserted in the throat of the corolla. — Odorous 

 erect herbs, with entire or toothed leaves, and large attractive flowers in a few 

 verticels closely surrounded by bracts. (Dedicated to Nicol&s Monardes, author 

 of many tracts upon medicinal and other useful plants, especially those of the 

 New World, in the latter half of the 16th century.) 



* Stamens and style exserted beyond the linear straight acute upper Up of the 

 corolla; heads solitary and terminal or sometimes 2 or 3 ; leaves acutely 

 more or less serrate ; perennials. 

 ••- Leaves petioled; calyx-teeth scarcely longer than the width of the tube. 

 ■M. Glabrous or villous. 

 = Calyx smooth or smoothish in the throat. 

 1. M dldyma L. (Oswego Tea, Bee Balm.) Stem somewhat hairp, 

 V m. or less high, acutely 4-angled ; leaves ovate-lanceolate, acuminate, the floral 



