380 LABIATE. Scutellaria. 



S. brevifolia. Cinereous-puberulent throughout: stems numerous from a suffrutescent 

 base, rigid, a foot or less liigii, very leafy : leaves tliickish, narrowly oblong, 6 to 8 lines 

 long by 2 or 3 wide, all subsessile; the floral similar, gradually smaller: corolla soft- 

 pubescent, three-fourths incli long; lower lip rather longer than the upper: anthers short- 

 ciliate: nutlets granulate. — 5. integrifoUa, var. brevifolia, Gray in Cat. Coll. Tex. Hall, no. 

 458. — Dry banks, Dallas, Texas, E. Hall, Reverchon. 



++ ++ Lips of the corolla about the length of the broad tube and throat. 

 S. Floridana, Chapm. Obscurely puberulent : stems slender, a foot or more high, rather 

 remotely leafy and with some axillary fascicles : leaves very narrowly linear (8 to 12 lines 

 long, seldom a line wide), with somewhat revolute margins ; the lowest minute and scale- 

 like : raceme rather loose : corolla nearly inch long : anthers long-ciliate. — Fl. 324. — Pine- 

 barren swamps, Apalachicola, Florida. 

 * * * Flowers solitary in the axils of cauline leaves, or some occasionallv imperfectly racemose 



through the reduction in size of the upper leaves of the stem or branches.' 

 -1— Annuals, loosely branched from the base: corolla pubescent, half inch or less long: nutlets 



muriculate. 



S. cardioph:^lla, Engelm. & Gray. Puberulent, slender, a foot or two high, with 

 virgate branches: leaves cordate-ovate or deltoid-subcordate, mostly obtuse, thin, veiny; 

 principal cauline inch long, coarsely crenate, slender-petioled ; floral gradually smaller and 

 less toothed, the uppermost entire and subsessile (3 lines long, barely exceeding the calyx) : 

 corolla slender, blue. — PI. Lindh. i. 19 ; Benth. m DC. 1. c. 429. — Open woods, Arkansas 

 and Texas. 



S. Drummondii, Benth. Villous-pubescent, a span or more high, soon diffuse, leafy : 

 leaves ovate or obovate-oblong, very obtuse, half inch or more long, contracted at base, 

 the lower into distinct petioles ; floral subsessile and about equalling the flowers ; all entire 

 or nearly so (rarely subcrenulate) : corolla violet purple or blue (3 to 5 lines long), com- 

 monly with the calyx villous-pubescent, at least when young ; lower lip longer than the 

 upper, violet-spotted. — Lab. 441, & DC. Prodr. xii. 428. — Damp or rich soil, Texas; 

 common. (Mex.) 



*t— •*— Perennials, from a firm or ligneous stock, neither stoloniferous nor tuberiferous : nutlets 

 granulate. 



S. Wrightii.'Gray. A span or so high, many-stemmed in a tuft, minutely cinereous- 

 puberulent, very leafy: leaves ovate, oval, or spatulate-oblong, entire, subsessile, about 

 half an inch long; upper floral shorter than the flowers : corolla pubescent, half an inch 

 long, usually violet ; lips nearly equal in length ; tube rather slender. — Proc. Am. Acad, 

 viii. 370. — Texas, quite to the western borders, Wright, Lindheimer, E. Hall, &c. Kansas, 

 Gordon, L. Watson, with a white-flowered variety. 



H— -i— H- Perennials, completely herbaceous and fibrous-rooted, mostlj' producing filiform stolon- 

 like rootstocks : 



++ These more or less moniliform-tuberiferous. 

 = Flower 2 to 4 lines long: leaves broadest at base and all but the lower sessile; primary veins 

 prominent underneath. 



S. parvula, Michx. Minutely (sometimes more conspicuously) pubescent, branching 

 from the base, commonly erect, 4 to 10 inches high : filiform subterranean shoots bearing 

 a long moniliform string of small tubers : leaves ovate or the uppermost ovate-lanceolate, 

 sessile by a truncate or slightly cordate base, about half inch long ; some of the lower with 

 one or two coarse teeth, the lowest slender-petioled : pedicels as long as the calyx : corolla 

 violet, pubescent, twice or tlirice the length of the calyx : nutlets strongly muricate, girt 

 with a thickish ring or border, which is conspicuous when young. — Fl. ii. 12 ; Hook. Exot. 



■ t. 106. 5. ambirjua, Nutt. Gen. ii. 37. — Sandy banks, W. New England and along the Great 

 Lakes to Wisconsin, South Florida, and Texas. 



Var. mollis, Gray. More spreading, softly pubescent throughout (the pubescence 

 somewhat viscid) : leaves larger, less firm. — Sandy banks of the Mississippi, at Oquawka, 

 S. Illinois, &c., H. N. Patterson. A remarkable form, with somewhat the aspect of 5. 

 Drummondii. 



= = Flower half or two-thirds inch long: leaves narrowed at base or petioled: plants depressed 

 or weak and diffuse. 



S. nana, Gray. Minutely cinereous-puberulent, 2 inches high, much branched : filiform 

 subterranean shoots copiously moniliform-tuberiferous: leaves crowded, from ovate to 



