216 SCROPHULARIACEAE 



Xtll. Fasciculatae. 

 Bracts rhombic-obovate or broadly cuneate in outline, almost pectinately divided. 



52. C. Pecten. 

 Bracts ovate or lanceolate in outline, pinnatifid. 



Upper leaves and bracts, only 3-fld at or above the middle. 48. C. wyomingensis. 

 Leaves and bracts deeply divided into linear divisions. 53. C. fasdculata. 



XIV. Patxescentes. 



Plant low, less than 2 dm. high, finely puberulent. 54. C. pallescens. 



Plant 1.5-3 dm. high, hirsute or villous as well as puberulent. 



Lateral divisions of the calyx deeply cleft into two subulate lobes: corolla 12-15 mm. 



long. 55. C. longispica. 



Lateral divisions of the calyx merely 2-toothed. 



Lower Up two-thirds as long as the galea; corolla about 2.5 cm. long. 



50. C. lutea. 

 Lower lip almost equalUng the galea; corolla about 2 cm. long. 



56. C. pilifera. 



XV. Brachtanthae. 



Corolla 2-3 cm. long; stem glabrous or nearly so. 6. C. cognata. 



Corolla 1.5-2.5 cm. long; stem pubescent. 



Lower lip of the corolla fully half as long as the galea; plant less than 1 dm. high. 



57. C. puberula. 

 Lower lip one-fifth to one-third as long as the galea; plant 3—4 dm. high. 



Lower Up about one-third as long as the galea, its lobes lanceolate, acuminate. 

 Stem 5-6 dm. high, finely puberulent; bracts minutely puberulent. 



58. C. cervina. 



Stem 2—4 dm. high, more or less, hirsute- viUous ; bracts shortly viUous-hirsute. 



59. C. brachyantha. 

 Lower Up one-fifth to one-fourth as long as the galea, its lobes ovate, acute. 



60. C. flava. 



XVI. Sessiliflorae. 



One species. 61. C. sessiliftora. 



20. ORTHOClRPUS Nutt. Owl's Clover. 



Bracts dilated, entire or with a broad middle lobe and narrow lateral ones, somewhat 



petaloid. • 1. O. tenuifolius. 



Bracts herbaceous, resembling the leaves, 3- (rarely 5-) cleft, with lanceolate lobes. 

 CoroUa yellow; spike dense; seeds ridged. 



Plant hirsute; corolla not three times as long as the calyx. 2. O. luteus. 

 Plant puberulent; coroUa 3—4 times as long as the calyx. 3. O. Tolmiei. 

 CoroUa white, turning rose-purple; spike lax; seeds loosely reticulate. 



4. O. purpureo-aWus. 



21.. TRIPHYSARIA (Benth.) F. & M. Pelican Flower, Johnny-Tuck. 



1. T. hispida. 



22. ADENOSTEGIA Benth. 



Calyx diphyUous; flowers shor1>pedlceUed, with 2-4 bractlets: flowers in head-Uke spikes. 

 Stamens 4; anthers 2-ceUed; both divisions of the calyx 5-6-ribbed; leaves 3-7- 

 paited. 

 Bracts as well as the whole plant puberulent. 



CoroUa 2.5 cm. long, more piirplish. 1. A. WrighlH. 



Corolla 12-20 mm. long, duU yeUow. 2. A. ramosa. 



Bracts ciUate with long white, more oi less curled, hairs. 



3. A. ciliosa. 

 Stamens 2; anthers l-celled; posterior division of the calyx only 2-ribbed; leaves 



narrowly Unear, entire, except those subtending the heads. 



4. A. bicolor. 



Calyx monophyUous, i. e., the anterior division lacking; flowers sessile without bractlets; 



flowers in more elongate spikes. 

 Leaves and bracts aU entire; anthers of the shorter stamens with only the smaller 



lower sacs. 5. A. canescens. 



Leaves 3-5-parted ; anthers of all the stamens 2-ceUed. 6. A. Kingii. 



23. EUPHRASIA (Tourn.) L. Eyebright. 

 Bracts mth acute or obtuse teeth. 



Teeth of the bracts obtuse; corolla 5-6 mm. long; inflorescence capitate. 



1. E. mollis. 

 Teeth of the bracts acute; corolla 4.5-5.5 mm. long; inflorescence becoming spicate. 



2. E. disjwnaa 

 Bracts with subulate or bristle-tipped teeth. 3. E. hudsonica. 



24. ELEPHANTELLA Rydb. Little Red Elephant, Elephant's Head, 

 Elephant Flower. l. E. groenlandica. 



25. PEDICULARIS (Tourn.) L. Lousewort, Indian Warrior, Duck-bill. 

 Galea produced into a distinct beak. 



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



