79§ SCROPHULARIACEAE 



1. E. groenlandica (Retz.) Rydb. Stem 2-6 dm. high, glabrous; leaves 



petioled, or the upper sessile, lanceolate in outline, pinnatifid, 5-20 cm. long; 

 lobes linear or lanceolate, doubly dentate; spike dense, 1-3 dm. long; calyx gla- 

 brous, 5-7 mm. long; teeth triangular-ovate; corolla proper reddish-purple or 

 claret-colored, about 1 cm. long, the long curved beak 12-15 mm. long. Swamps 



and wet meadows: Greenl.— Lab.— N.M. — Calif.— Alaska. Mont.—Subalp, 

 Je-Au. 



25. PEDICULARIS (Tourn.) L. " Louse wort, Indian Warrior, 



Duck-bill. 



I 



Perennial (all ours) or annual herbs. Leaves alternate, opposite or whorled, 

 pinnately veined, pinnatifid, lobed, or merely crenate! Flowers perfect, in 

 terminal spikes or racemes. ^ Calyx cleft on the lower side, 2-5-lobed. Corolla 

 strongly 2-hpped; upper lip laterally compressed, sometimes short-beaked, 

 toothed, or blunt; lower lip erect or ascending, 3-lobed, the lobes mostly spread- 

 ing. Stamens 4, didynamous, ascending under the upper lip; anther approxi- 

 mate in pairs; anther-sacs transverse, parallel. Capsule compressed, curved, 

 beaked, locuKcidal. Seeds many, pitted, striate, or ribbed. 



Galea produced into a distinct beak. 



BeaJc long, strongly incurved; Up verj broad, meeting or enclosing the tip of the beak. 

 Leaves undivided, mmutely doubly crenate. 1, P. racemosa. 



Leaves pmnately divided into linear dentate divisions. 



Corolla-tube not exserted; beak more or less spirallv incurved; calyx deeply 



cleft in front. ^ J- 



Corolla white; calyx greenish-striate and Klabrous. 2. P. contorta. 

 Corolla purplish or rose; caljx purple-striate and "villous at the base. 

 „ ,, ^^ ,. 3. P, ctenophora. 



C>oroIIa-tube distinctly exserted; beak crescent -shaped, arcuate; calyx not 

 ry 1 1 deeply cleft in front. - 4. P. lunata. 



Beak short and straight; lip narrower and not meeting the tip of the galea. 



Beak about as long as the width of the galea; lip reflexed; primarv divisions of 



the leaves short (8 mm. or less longl, not narrowed at the base. 

 Corolla yellow or ochroleucous. 5. P ParryL 



Corolla purple. 6. P. Haliiu 



Beak much shorter than the width of the galea; lip ascending; lower primary 



divisions of ^he leaves 8-30 mm. long, usually narrowed at the base. 

 yi3,nt 1-2 dm. high; bracts ovate, aU shorter than the flowers. 



Plant 3-6 dm. high; bracts linear, oblong, or lanceolate, the lower equaUing or 

 exceeding the flowers. 8. P. sii folia. 



ijalea not produced into a distinct beak, but often with two lateial teeth near the apex. 

 Leaves pinnately divided or lobed. 



Leaves divided to the midrib or nearly so into narrow, acute, dentate or serrate 



or incised divisions. 

 Galea distinctly arcuate; stems 2-15 dm. high (except in P. scopulorum, which 



often is only 1-2 dm. high). 

 Galea tootliless; plant 4-10 dm. high; Up not reacliing the tip of the galea. 

 Corolla pale yellow; spike elongate, 6-30 cm. long; bracts lanceolate, 



usually produced and exceeding the flowers. 9. P. bracleosa. 

 Corolla tinged with par pie: spike 3-10 cm. long; bracts ovate, short- 

 acuminate and about half as long as the flowers. 

 ^ , .,^ ^ , 10. P. montanensis. 



ualea with two lateral teeth. 



Plant tall, 3-15 dm. high; corolla sordid yellow, 3-3.5 cm. long; Hp 



almost reaching the tip of the galea. 1 1. P. Grayi- 



Plant lower, 1^ dm. high; coroUa purple, 2-2.5 cm. long; lip not reach- 



ing the tip of the galea. 



Leaves divided to the midrib, i, e., rachis not winged; divisions 



mcised. 12. p. cystopteridifoha. 



Leaves not quite divided to the midrib, i.e., rachis wiiiged; divisions 



merely dentate. 13. p. scopulorum. 



ijalea scarcel> arcuate, nearly straight, except the hood-Uke rounded apex. 



usually toothless; plant less than 1 dm. high, 

 spjke verj dense, densely lanate; lower lip almost equalling the galea. 



a 1 , . , .. * 14. P. lanata. ^ 



Spike laxer. sparingly if at aU lanate; lower Up of the coroUa much shorter 



than the upper. 

 Corolla 18-22 mm. long; lower lip 5 mm. long; galea merely tinged 



with purple \5 P.Oederu 



CoroUa about 12 mm. long; lower Up of the coroUa about 3 mm. long, 

 upper portion of the galea dark purple or crimson. 



Leaves pinnately lobed two-thirds to the midrib or less, with broadly oblong or 

 rounded, obtuse and crenate lobes. 



