SCROPHULAUlACE^. (fig WORT FAMILY.) 379 



21. Orthocarpus. Calyx tubular-campanulate, 4-cleft. Upper lip ol' corolla little longer 



and usually iiuicli narrower than the inflated lower one. 



** Anther-cells equal. Capsule many - several-seeded. 



22. Schwalbea. Calyx 5-toothed, very oblique, the upper tooth much the smallest. 



23. ^Euphrasia. Calyx 4-cleft. Upper lip of the corolla 2-lobed, and sides folded back. 



Cap.sule oblong. 



24. Bartsia. Calyx 4-cleft. Upper lip of corolla entire and sides not folded back. 



25. KhiiiHiithus. Calyx inflated, ovate Capsule orbicular : seeds winged. 



26. Pedicularis. Calyx not inflated. Capsule ovate or sword-sliaped ; seeds wingless. 



♦ ♦ ♦ Anther-cells equal. Capsule 1 - 4-seeded. 



27. Melampyrum. Calyx 4-cleft. Ovary 2-celled, 4-ovuled. Capsule flat, oblique. 



1. VERB AS CUM, L. Mullein. 



Calyx 5-parted. Corolla 5-lobed, open or concave, wheel-shaped ; the lobes 

 broad aud rouuded, a little unequal Stamens .5 , all the filaments, or the 3 

 upper, woolly. Style flattened at the apex. Capsule globular, many-seeded. 



— Tall and usually woolly biennial herbs, with alternate leaves, those of the 

 stem sessile or decurrent. Flowers in large terminal spikes or racemes, ephem- 

 eral ; in summer. (The ancient Latin name, altered from Bdibascuin.) 



V. Thapsus, *L. (Common Mlllkin) JJenseiij iroolli/ throughouf ; stem 

 tall and stout, simple, winged by the decurrent bases of the oblong acute leaves : 

 /lowers (yellow, very rarely white) in a prolonged and vertj dense ci//i.ndrtral 

 spike ; lower stamens usually beardless. — Fields, a common weed. (Nat. 

 from P]u.) 



V. BlattXria, L. (Moth M.) Green and smoot lush, slender ; lower leaves 

 petioled, oblong, doubly serrate, sometimes lyre-shaped, the upper partly clasp- 

 ing ; raceme loose ; filaments all bearded with violet wool. — Roadsides, through 

 out our range. Corolla either yellow, or white with a tinge of purple. (Nat. 

 from Eu.) 



V. Lychnitis, L. (White M.) Clothed ivith thin powder i/ looolliness ; 

 stem and branches angled above ; leaves ovate, acute, not decurrent, greenish 

 3\iOXQ; flowers (yellow, rarely white) in a puramidal panicle; filaments with 

 whitish wool. — F^ields, N. Atlantic States, rather rare. (Adv. from Eu.) 



2. LIN ARIA, Tourn. Toad-Flax. 



Calyx 5-parted. Corolla personate, with the prominent palate often nearly 

 closing tlie throat, spurred at base on the lower side. Stamens 4. Capsule 

 thin, opening beloAv the summit by one or two pores or chinks. Seeds many 



— Herbs, with at least all the upper leaves alternate (in ours) , fl. in summer. 

 (Name from Linum, the Flax, which the leaves of some species resemble.) 



* Slender glabrous annual or biennial : leaves linear, entire and alternate (or 



smaller, oblong, and opposite on procumbent shoots), small blue flowers in a 

 naked terminal raceme. 



1. L. Canadensis, Dumont. Flowering stems nearly simple (6 -.30' 

 nigh); leaves flat (1-2" wide); pedicels erect, not longer than the filiform 

 curved spur of the corolla. — Sandy soil, common. 



* * Perennial, erect (1 -3° high), glabrous, with narrow entire and alternate pale 



leaves, and yellow flowers in a terminal raceme. 



L. vulg\ris. Mill. (Ramsted. Butter and Eggs.) Leaves linear or 

 nearly so, extremely numerous ; raceme dense, corolla V long or more, in- 

 cluding the slender subulate spur; seeds winged. — Plelds and roadsides, 

 throughout our range. (Nat. from Eu.) 



Vt 



