FIGWORT FAMILY 799 



Plants caulescent; stamens merely acute. 



Stem 1-3 dm. high; lower lip of the corolla much shorter than the upper. 



17. P. canadensis. 

 Stem 3-10 dm. high; lower Up of the corolla reaching almost to the tip of 



the galea. 18. P. lanceolata. 



Plants almost acaulescent; stamens aristate-acuminate at the base. 



19. P. centranthera. 

 Leaves merely crenate. 20. P. crenulata. 



1. P. racemosa Dougl. Stems cespitose, 3-5 dm. high, glabrous; leaves 

 lanceolate or linear, doubly crenate, 3-8 cm. long; spike leafy-bracted ; calyx 5-6 

 mm. long, very oblique; lateral calyx-lobes lanceolate to triangular, the lower 

 rounded, the upper obsolete; corolla white, 12-15 'mm. long; lip broadly reni- 

 form, 6-7 mm. long, about 12 mm. wide. Mountain sides: B.C. Calif. N.M. 

 Alta. Submont.Subalp. Je-Au. 



2. P. contorta Benth. Stems- 2-4 dm. high, glabrous; leaves glabrous, 

 the lower 8-15 cm. long; divisions linear, dentate; raceme 1-2 dm. long; bracts 

 pectinately divided into linear divisions; calyx about 7 mm. long; lobes linear, 

 the lower and lateral ones subequal, the upper much smaller; corolla strongly 

 curved; lip reniform, about 8 mm. long and 12 mm. broad. Mountains: B.C. 

 Calif. Ida. Alta. Submont. Mont. Je-Au. 



3. P. ctenophora Rydb. Resembling the preceding species; stem about 

 3 dm. high, glabrous or slightly arachnoid-hairy in the inflorescence; bracts 

 broader than in the preceding, more or less arachnoid. Mountains: Mont. Wyo. 

 Mont. Je-Au. 



4. P. lunata Rydb. Stem about 4 dm. high, slightly striate and purplish; 

 leaves alternate, glabrous, dark green, 5-12 cm. long; segments linear or linear- 

 oblong, crenate; spike 15-20 cm. long; bracts pectinately divided, with prolonged 

 endlobes, slightly arachnoid- villous ; calyx about 9 mm. long, its teeth broadly 

 lanceolate, about 3 mm. long; corolla pinkish, over 2 cm. long; lower lip very 

 broad, indistinctly 3-lobed with large rounded lateral lobes. Mountains: Wyo. 

 Ida. Mont. Au. 



5. P. Parry! A. Gray. Stem 1-4 dm. high, glabrous; leaves glabrous, 5-12 

 cm. long, pinnately dividea to near the midrib; divisions lanceolate, 3-6 mm. long, 

 crenate; stem-leaves usually much reduced; raceme 3-13 cm. long; bracts shorter 

 than the flowers, divided into lance-linear divisions; calyx about 7 mm. long, 

 usually glabrous; corolla 12-15 mm. long; galea about 8 mm. long; beak subconic 

 at right angles to the galea; lip rather deeply 3-lobed, 4 mm. long. Mountains: 

 Wyo. N.M. Utah Mont. Mont. Subalp. Jl-Au. 



6. P. Hallii Rydb. Stem glabrous up to the inflorescence, 1-2 dm. high; 

 leaves 5-8 cm. long, mostly basal, deeply pinnately divided to near the midrib 

 into lance-oblong crenate divisions 4-5 mm. long; bracts deeply dissected into 

 linear divisions; calyx more or less arachnoid- villous, 7-9 mm. long; lobes lanceo- 

 late; corolla purple, resembling that of the next preceding species, but the beak 

 slightly shorter. Mountains: n Wyo. Subalp. Je-Au. 



7. P. Canbyi A. Gray. Stem usually less than 1.5 dm. high, but leafy, 

 glabrous; leaves pinnately divided to the midrib, 3-6 cm. long; divisions lanceo- 

 late, usually more or less doubly serrate, 5-15 mm. long; spike short and dense; 

 bracts ovate, slightly villous; calyx 8 mm. long, villous, its lobes lanceolate; 

 corolla 15-18 mm. long, light yellow; galea about 8 mm. long, helmet-shaped, 

 with a short usually slightly porrect beak; lip about 4 mm. long, with rounded 

 lobes. Mountains: n Mont. Subalp. Jl. 



8. P. siifolia Rydb. Stem glabrous, 3-6 dm. high, leafy; leaves pinnately 

 divided to the midrib, glabrous, 5-15 cm. long; divisions lanceolate, 1^ cm. long, 

 more or less doubly serrate-dentate; spike short, 3-8 cm. long; calyx glabrous, 

 8-9 mm. long, its lobes lanceolate; corolla yellowish, nearly 2 cm. long; galea 

 about 8 mm. long, curved, helmet-shaped, with a short conical beak; lip 4 mm. 

 long, rather deeply 3-cleft, with rounded lobes. Meadows: Ida. Mont. Mont. 



9. P. bracteosa Benth. Stem 3-10 dm. high, glabrous; leaves glabrous, 

 6-30 cm. long; divisions lanceolate, 2-6 cm.long, laciniately double-serrate; spike 

 elongate, 6-30 cm. long; calyx 8-10 mm. long, villous, its lobes lanceolate; corolla 



