FlGWOllT FAMILY. 331 



•t- ■*- Leaves entire or very nearly so. 



++ Corolla strongly bilabiate. 



P. barbdtus, Nutt. Mexico (wild N. to Col.), long cult, in the gar- 

 dens ; slender, wand-like stems, 3°-4° high, lanceolate and entire, pale 

 leaves, long and loose raceme or panicle of drooping flowers, narrow 

 tubular scarlet corolla over 1' long, with erect upper lip concave and 

 slightly 2-lobed, the lower parted into 3 reflexed or spreading oblong 

 lobes, some beard in the throat, and sterile filament naked. 



•<-*■ ++ Corolla obscurely 2-lipped. 



P. grandifldrus, Nutt. Pale and glaucous, l'=-8° hiiili, with thick 

 ovate leaves (l'-2' long), closely sessile and entire, the upper ones 

 rounded, short-pediceled flowers racemed, lilac-purple, oblong-bell- 

 shaped corolla \h'-'2,' long, and almost equally 5-lobed, the sterile fila- 

 ment nearly smooth. Wis., W. and S. (Lessons, Fig. 2(54.) 



P. glaber, Pursh. Plains from Dak., S. and W. ; commonly pale or 

 glaucous, with ascending stems l°-2° long; lanceolate or iance-ovate, 

 entire leaves, and a narrow panicle of very handsiime flowers ; the tubular- 

 inflated corolla about IJ' long, bright purple-blue, Avith the spreading 

 lobes of the 2 short lips similar ; sterile filaments and also the anthers 

 slightly hairy or else naked. 



p. Hartwegi, Benth. (P. gentianoides). Leaves lanceolate, entire, the 

 upper broader at the base and clasping ; peduncles elongated, 3-flowered ; 

 corolla 2' long, deep-red or red-purple, the border almost equally 5-cleft ; 

 sterile fllament naked. Mexico. Long cultivated. 



25. RUSSELLIA. (Named for Z)j-. ^ tea wZeriJwsseZi of Scotland.) ^ 



R. juncea, Zu(X^ A showy house and bedding plant; very smooth, 

 with leaves small lance-ovate or linear, or else reduced to little scales on 

 the copious, long, and rush-like, green, hanging branches and branchlets ; 

 corolla 1' long, narrow, bright carmine red. Mexico. 



26. CASTILLEIA, PAINTED CUP. (Named for Castillejo, a Span- 

 ish botanist.) There are several showy species on the plains from 

 beyond the Mississippi to the Pacific. Flowers all late spring and 

 summer, lioot-parasites. 



C. coccfnea, Spreng. Scarlet P. Sandy low grounds ; pubescent, 

 simple-stfuiined, l°-2" high, with stem leaves cut-lobed, those next the 

 flowers 3-cleft, their dilated and cut-toothed lobes brilliant scarlet, while 

 the 2-cleft calyx is yellowish, and the narrow corolla pale yellow. (T) (2) 



27. SCHWALBEA, CHAFF-SEED. (C. G. Schwalbe, a German 



botanist.) 21 



S. Americana, Linn. Minutely pubescent, upright, l°-2'^, with sim- 

 ple leafy stems and a loose sj)ik(' of rather showy purplish-yellow flowers ; 

 leaves alteriuite and sessile, ."J-ncrved and entire, ovate or oblong. Sandy 

 wet soil, near the coast, Mass., S. 



28. PEDICULARIS, LOUSEWORT (which the name denotes), "i/. 



P. Canadensis. Linn. Common 1'. or Wood Betonv. Low, rather 

 hairy, witii alieniaLe leaves, the uyiper i>innatifid, lower pinnate ; a short 

 dense spike of greenish and purplish flt)wers ; oblique calyx without lobes, 

 but split down in front, and a dagger-shaped pod ; flowers spring. Dry 

 woods and banks. 



