F/ora of the Palousc Region 165 



5 linear lobes: spikes dense, 1-6 cm. long, 2 em. broad; bracts broad, obtuse, 

 purple-tipped, the upper entire, the lower with 1-2 small lobes on each side, 

 coarsely ciliate: calyx half as long as the corolla, 2-lipped, each lip bearing 

 2 subulate teeth: corolla yellow, narrow, exceeding the bracts, 1.5 cm. long, 

 the small hooked galea surpassing the sac-like lip. Low ground, common. 



0. hispidus Benth. Annual, slender, erect, simple or with few erect 

 branches, rough-hairy throughout, 10-40 cm. high: leaves linear or lanceo- 

 late, attenuate, entire or pinnately cleft into 3-5 linear lobes, 2-6 cm. long: 

 spikes dense, narrow; bracts like the leaves, but shorter and broader: calyx- 

 teeth subulate, shorter than the corolla-tube: corolla white, slender, 12-14 

 mm. long, lobed with 3 sac-like swellings: galea straight, pointed. Low 

 ground, not common. 



276. PEDICULARIS. 



Perennial herbs: leaves toothed or pinnatifid, the floral bract-like: 

 flowers rather large, in a spike: calyx 2-5-toothed, irregular: cor- 

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

 pressed, sometimes beaked; the lower 3-lobed: stamens 4, enclosed 

 by the upper lip: anthers equally 2-celled: capsule several-seeded. 



Leaves finely divided. P. bracteosa. 



Leaves not divided. P. racemosa. 



P. bracteosa Benth. Glabrous below, sparsely pubescent above: stem 

 stout, erect, 30-100 cm. high, with tuberdike roots: leaves ovate or oblong 

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

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

 divisions, 1-5 cm. long: inflorescence an erect dense spike, 10-50 cm. long: 

 bracts ovate, acuminate, entire or nearly so, exceeded by the flowers: calyx 

 5-cleft, with narrow triangular lobes: corolla whitish, 2 cm. long; galea 

 longer than the lip, curved, hooded at the apex, the orifice entire. In woods. 

 Thatuna Hills. 



P. raceiliOSa Uougl. Ascending or spreading, glabrous throughout or 

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

 leaves alternate, lanceolate, 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, nearlv reaching the apex of the broad lip. In woods, 

 Thatuna Hills. 



Familv 70. OROBANCHACEAE. 



Root-parasitic herbs, destitute of foliage and green color, yel- 

 lowish or brownish throughout: leaves reduced to alternate scales: 

 flowers solitary or in spikes: calyx 4-5-toothed or parted: corolla 

 gamopetalous, tubular, more or less 2-lipped, hypogynous: stamens 

 4, didynamous, epipetalous: style long; stigma large; ovary 1 -celled, 

 with 2 or 4 parietal placentae: capsule i-celled, 2-valved; seeds 

 very numerous, minute. 



