382 LABIATiE. Scutellaria. 



the calyx : corolla puberulont ; lower lip nearly erect and surpassing the upper : nutlets 

 densely inuriculate-scabrous. — Spec. ii. 599 ; Engl. Bot. t. 593 ; Sclik. Handb. t. 107. — Wet 

 soil, Atlantic States, from mountains of Carolina to Newfoundland, Mackenzie River, and 

 westward from mountains of Arizona to Brit. Columbia. (Eu., N. Asia.) 



§ 2. Nutlets raised on a slender gynobase, each surrounded by a conspicuous 

 membranaceous wing in the manner of Perilomia, the faces muricate. (Here 

 also a Japanese species, S. GuiUehni.) 



S. nervosa, Pursh. Glabrous : rootstocks or stolons tiliform : stems slender, rather sim- 

 ple, 4-qiietrous (10 to 20 inches higli) : leaves membranaceous, coarsely few-toothed, rather 

 prominently quintuple-ribbed from near the base ; the lowest cordate and siiort-pctioled ; 

 the others sessile or nearly so; middle ones ovate; floral ovate-lanceolate, gradually 

 smaller and more entire, much surpassing the a.xillary secund flowers : corolla bluish, 4 

 lines long, with lower lip exceeding the straightish merely concave upper one. — Pursh, Fl. 

 ii. 412; Gray, Proc. Am. Acad. viii. 370. S. teucrifoUa, Smith. S. ijracilis, lUiutt. Gen. ii. 

 37. — Moist thickets, New York to Virginia, Ohio, and Missouri. 



37. SALAZARIA, Torr. (In honor of Don Jose Salazar y Larrequi., 

 the Mexican Commissioner of the U. S. and Mex. Boundary Survey.) — Bot. 

 Mex. Bound. 133, t. 39. — Single species of a remarkable genus. 



S. Mexicana, Torr. 1. c. Shrubby, 2 or 3 feet high, with diffuse or sarmentose slender 

 soft-canescent branches : leaves remote, glabrate, small, oblong or broadly lanceolate, 

 short-petioled, mostly entire; floral reduced to bracts of the short and loose terminal 

 racemes : flowers less than inch long : corolla purplish, or the spreading lower lip deep 

 purple : fructiferous vesicular calyx half inch or more in diameter. — Bot. Calif, i. 004. — 

 Ravines, S. E. California in the Mohave desert, S. Nevada and Utah, Arizona, Fremont, 

 Parrij, Cooper, Palmer. (Adjacent Mex.) 



38. BRUNELLA, Tourn. Self-heal, or Heal-All. (Commonly 

 written Prunella, but said to come from the old German word Breune or Braune, 

 an affection of the throat, which the plant was thought to cure.) — Low peren- 

 nials ; with nearly simple stems, terminated by a short verticillastrate-spicate or 

 capitate inflorescence, with imbricated round-ovate and nervose bracts or floral 

 leaves of about the length of the calyx, each subtending 3 subsessile flowers : fl« 

 all summer. 



B. vulgaris, L. Leaves ovate-oblong, entire or toothed, slcnder-petioled, commonly pubes- 

 cent : corolla not twice the lengtii of the purplish calyx, violet, purplish, &c., rarely white. 

 — Fields and borders of copses, Newfoundland to Florida, and west to California and 

 northward; evidently indigenous in some of the cooler districts. (Eu., Asia, Mex.) 



39. BRAZCRIA. Engelm. & Gray. (Discovered on the llio Brazos, 

 Texas.) — A genus of two annuals, of rather low stature: leaves oblong, mostly 

 sessile, denticulate ; lowest tapering into a petiole ; floral diminished to small 

 ovate or oblong-lanceolate bracts to the single flowers of the virgate racemes or 

 spikes : corolla rose-purple : fl. summer. — PL Lindh. i. 47 ; Gray, Chloris, 34, 

 t. 5 ; Bentli. in DC. Prodr. xii. 434. 



B. truncata, Engelm. & Gray, 1. c. Somewhat pubescent, at least the raceme and 

 calyx viscid-hairy: spike dense and strict, simple or sometimes branching: calyx mucii 

 reticulated, truncate, its broad lips of equal length, obscurely lobed, mucronately denticu- 

 late (3 or 4 lines iu fruit): corolla three-fourths inch long; upper lip and middle lobe 

 of lower deeply emarginate, all the lobes denticulate ; palate somewhat prominent ; tube 

 pilose-annulate near tlie base : anthers somewiiat iiairy : nutlets puberulent. — Chloris, 1. c. 

 t. 5. Pfii/soster/ia truncata, Benth. Lab. 305; Hook. Bot. Mag. t. 3494. — Sandy soil, in 

 plains and prairies of E. Texas, Berlundier, Drumniond, Lindheimer, &c. 



