310 LABIATAE. 



Scutellaria lateriflora L. Perennial, glabrous; stems erect, branched, 

 20-60 cm. high; leaves thin, lanceolate-ovate to oblong-ovate, acuminate, 

 coarsely serrate, rounded at base, 3-8 cm. long, petioled; flowers blue, in 

 axillary or sometimes terminal, one-sided racemes; corolla 5-8 mm. long, the 

 lips short, subequal; nutlets smooth. 



In moist places, common. 



Scutellaria galericulata L. Perennial, glabrous or slightly pubescent; 

 stems erect, 20-80 cm. high, simple or loosely branched; leaves oblong to 

 ovate-lanceolate, acute, serrate, subcordate at base, 2-6 cm. long, short- 

 petioled; flowers solitary in the axils; pedicels shorter than the calyx; corolla 

 blue, puberulent, the lower lip longer than the upper; nutlets muriculate. 



Rare in our limits; Mount Constitution, Henderson. 



Scutellaria antirrhinoides Benth. Minutely puberulent; stems mostly 

 branched, 15-30 cm. high; leaves oblong to oblong-lanceolate, obtuse, short- 

 petioled, entire, 10-20 cm. long; flowers solitary in each axil; calyx puberulent; 

 corolla dark blue, 2-2.5 cm. long, puberulent. 



From the Columbia River to California. The original specimens were 

 collected at Fort Vancouver by Scouler but the plant has not since been found 

 north of the Columbia River. 



Scutellaria angustifolia Pursh. Perennial, with rather stout somewhat 

 moniliform rootstocks, 15-20 cm. high, puberulent or glabrous; stems simple 

 or little branched; cauline leaves broadly linear or oblong, obtuse, entire, 

 narrowed at base, sessile or nearly so, 1-2 cm. long; radical ovate, on longer 

 petioles, sometimes toothed; flowers solitary in the axils; pedicels as long as the 

 calyx; corolla violet-blue, 25 mm. long, puberulent outside; lower lip villous 

 within; nutlets minutely granulate. 



Rare in our limits; Victoria, Macoun. 



430. DRACOCEPHALUM. DRAGON HEAD. 



Coarse herbs with blue flowers in dense bracteate terminal 

 clusters; calyx tubular, 15-nerved, 5-toothed; corolla 2-lipped, 

 the upper lip erect, emarginate, the lower 3-lobed; stamens 4; 

 anther-cells divergent; nutlets ovoid, smooth. 



Dracocephalum parviflorum Nutt. Stems stout, erect, 20-60 cm. high; 

 leaves ovate-lanceolate, incisely dentate, 3-8 cm. long, slender- petioled; 

 inflorescence spike-like, the flowers densely crowded in whorls in the upper 

 axils; bracts oblong to ovate, cut-toothed, the teeth bristle-tipped; calyx 

 cylindric, puberulent, the upper tooth broadest, all acuminate; corolla pale 

 blue, slightly exceeding the calyx. 



Not definitely known from our limits but reported to occur in the Willa- 

 mette Valley, Oregon. 



431. NEPETA. 



Perennial herbs; calyx tubular, often incurved, obliquely 5- 

 toothed; corolla 2-lipped, dilated in the throat; upper lip 

 erect, rather concave, notched or 2-cleft; lower lip spreading, 

 3-cleft, the middle lobe largest, notched or entire; stamens 4, 

 ascending under the upper corolla-lip, the upper pair longer; 

 anther-cells divergent. 



Nepeta cataria L. Catnip. Perennial, erect, 30-90 cm. high, finely 

 canescent throughout; leaves ovate or oblong, acute, dentate, somewhat 



