326 SCROPHULARIACEAE. 



456. RHINANTHUS. 



Annual erect herbs, with opposite leaves; flowers yellowish, in 

 a one-sided spike; calyx membranaceous, 4-toothed, inflated in 

 fruit; corolla 2-lipped, the upper lip arched, ovate, obtuse, with 

 two lateral teeth, the lower lip 3-lobed; stamens 4, all anther- 

 bearing, enclosed in the upper lip; anther-cells equal; capsule 

 orbicular, compressed. 



Rhinanthus kyrollae Chabert. Stems erect, 30-60 cm. high, simple or 

 more commonly with ascending branches; leaves lanceolate, sessile, 2-5 cm. 

 long, serrate, minutely scabrous; bracts pale green, ovate-lanceolate, with 

 slender acuminate teeth; calyx 1.5 cm. long; corolla pale yellow. 



In open fields and prairies; rare in our limits. 



457. PEDICULARIS. LOUSEWORT. 



Perennial herbs; leaves toothed or pinnatifid, the floral bract- 

 like; flowers rather large in a spike; calyx 2-5-toothed, irregular; 

 corolla strongly 2-lipped, the upper lip (galea) arched, laterally 

 compressed, sometimes beaked, the lower 3-lobed; stamens 4, 

 enclosed by the upper lip; anthers equally 2-celled; capsule 

 several seeded. 



Leaves lanceolate, doubly-crenulate. P. racemosa. 



Leaves pinnately parted. 



Flowers yellowish or whitish. 



Corolla yellow, with a slender inrolled beak. P. contorta. 



Corolla whitish, with a broad hood-like beak. P. bracteosa. 



Flowers purple. 



Corolla beakless; seashore plant. P. parviflora. 



Corolla beaked; alpine plant. 



Beak long and filiform, curved. P. surrecta. 



Beak short and conical. P. ornithorhyncha. 



Pedicularis racemosa Dougl. Ascending or spreading, glabrous throughout 

 or puberulent above, the stems simple or somewhat branched, 30-40 cm. 

 long; leaves alternate, lanceolate, acute or obtuse, doubly crenulate, 5-10 

 cm. long; petioles short; flowers short-pedicelled, in racemes, with gradually 

 reduced leaves or bracts; calyx 2-cleft in front, 2-toothed behind; corolla white 

 or reddish, the galea much incurved, nearly reaching the apex of the broad 

 lip. 



Common in alpine woods. 



Pedicularis contorta Benth. Glabrous; stems simple, erect, 20-30 cm. 

 high; basal leaves petioled, 5-8 cm. long, pinnately parted into linear toothed 

 segments; cauline leaves similar, sessile; spikes densely many-flowered, 5-10 

 cm. long; calyx cleft before and behind, the lobes 2-toothed; corolla pale 

 yellow, the galea slender, elongate and somewhat circinate, about as long as 

 the lower lip. 



In the mountains at high elevations. First collected by Tolmie on Mount 

 Rainier. 



Pedicularis bracteosa Benth. Glabrous below, sparsely pubescent above; 

 stem stout, erect, 30-100 cm. high, with tuber-like roots; leaves ovate or 

 oblong in outline, 5-12 cm. long, the basal petioled, the cauline nearly sessile, 

 pinnately parted or divided into narrow lanceolate or linear, serrate or incised 



