214 



SCROPH U LARl ACE AE 



1. C. exilis. 



2. C. coccinea. 



Bracts usually 3-cleft with lanceolate lobes, if entire very acute. 



VIII. L.\NCIFOIJAE. 



Leaves, at least the upper, pinnatelj' cleft; bracts also cieft; lower corolla- 

 lip not callous, larger. IX. HiSPIDAE. 

 Galea less than 3 times as long as the lip, rarely half as long as the corolla-tube; bracts 

 in most species tinged mth yellow or brown. 

 Leaves entire; bracts also entire or slightly 3-lotaed. X. Pallidae. 

 Leaves pinnately divided, at least the upper ones. 



Bracts slightly 3-lobed or entii-e; lobes tnuicate or roimded at the ape.x. 



XI. LUTEAE. 



Bracts deeply divided into lanceolate or linear-lanceolate lobes. 



Whole plant white-woolly. XII. Line-VTAE. 



Plant not white-woolly. 



Calyx about equally cleft in front and behind or deeper cleft behind. 

 Lip of the corolla scarcely more than half as long as the galea, not 



decidedly saccate. XIII. Fasciculatae. 



Lip at least two-tliirds as long as the galea, decidedly saccate. 



XIV. Pallescentes. 

 Calyx much deeper cleft in front than behind. 



Corolla 1.5-3 cm. long, shghtly exceeding the calyx. 



XV. Brachyanthae. 

 Corolla 4-5 cm. long, almost twice as long as the calyx. 



XVI. Sessiliflorae. 



I. Stenanthae. 

 One species. 



II. Coccineae. 

 One species. 



III. Linariaefoliae. 

 Bracts crimson or pmk. 



Plant low, cespitose, with several stems, about 2-3 dm. high; leaves and bracts pin- 



natelv divided; mflorescence short and head-like. 3. C. collina. 



Plant tail, 4-10 dm. liigh, with a smgle or sometimes 2-3 stems; leaves entire or the 

 upper with 2-3 lobes; inflorescence elongate. 

 Leaves all narrowly linear. 4. C. linariaefolia. 



Upper leaves lanceolate. 5. C. Chsta-galh. 



Bracts yellowish or brownish. 



Bracts cream-color; inflorescence villotis-hirsute, with yellowish hairs. 



6. C. cognata. 

 Bracts brownish; inflorescence villous, with short wliite hairs. 



7. C. arcuata. 



IV. INTEGRAE. 



Leaves entire. 



Bracts oblong. 



Bracts obovate. 

 Leaves pinnatifld. 



V. StJBCINEREAE. 



One species. 



VI. Rhexifoliae. 



Corolla 4-5 cm. long, nearly twice as long as the bracts. 

 Corolla 1.5-3.5 cm. long, little if at all surpassing the bracts. 

 Bracts scarlet or crimson, rarely pink. 



Corolla about 3 cm. long; stem 3-5 dm. high. 



Leaves narrowly lanceolate; bracts acute and usually deeply cleft. 



13. C. con f una. 

 Leaves, at least the upper ones, broadly lanceolate or oblong-ovate; bracts 

 roiuided at the apex, entire or with a very broad middle lobe and small 

 lateral ones. 14. C. rhexifolia. 



Corolla 1.5-2 cm., rarely 2.5 cm. long; plant 2-3 dm. high. 

 Leaves lanceolate to linear. 



Stem and leaves glabrous or puberulent. 15. C. lauta. 



Stem and leaves viscid-pubescent. 16. C. pinetorum. 



Leaves oblong, elliptic, or ovate-lanceolate. 



Stem and leaves densely pubescent. 17. C. Leonardi. 



Stem glabrous or puberulent; leaves finely puberiilent. 



IS. C. humilis. 

 Bracts brownish or yellowish. 19. C. brunnescens. 



VII. LUTESCENTE3. 



Leaves linear; corolla 2-3 cm. long. 



Stem 2-3 dm. high; corolla scarcely longer than the calyx. 20. C. dubia. 

 Stem 3-5 dm. liigh; corolla decidedly longer than the calyx. 



Calyx-lobes obtuse. 21. C. dcsertonim. 



Calvx-lobes acute or acuminate. 22. C. lutescens. 



Leaves lanceolate; corolla nearly 4 cm. long; calyx-lobes acute. 23. C. vanabilis. 



VIII. Lancifoliae. 

 Corolla 3.5-4 cm. long; galea 1.5-2 cm. long; leaves lanceolate. 



Bracts brick-red or yellowish; leaves usually more or less pubescent. 



23. C. variabilis. 



9. 

 10. 



C. inteqra. 

 C. glorinsa. 

 C. Lindheimeri. 



11. C. subcincrea. 



12. C. magna. 



