786 



SCROPHULARIACE.\E 



Calyx about equally cleft in front and behind. 

 Stem canescent. 



Stem tomentose-canescent ; bracts entire, or trilobed, with broad rounded 



middle lobe. IV. Integr.'VE. 



Stem strigose or hirsutulous-canescent ; bracts 3-cleft, with linear lobes. 



V. SUBCINEREAE. 



stem glabrous or pubescent, but not canascent. 



Leaves entire, rarely the uppermost sUghtly 3-lobed; corolla-Up very short 

 and callous. 

 Bracts usually entire and obtuse, oblong to obovate, broad, if 3-lobed 

 with a broad middle lobe. 

 Bracts tinged with crimson or rose. VI. Rhexifoliae. 



Bracts yellow with the very tips brown or red. 



VII. LUTESCENTES. 



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



VIII. L.VNCIFOLLVE. 



Leaves, at least the upper, pinnately cleft; bracts also cleft; lower coroUa- 

 hp 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 thiged with yellow or brown. 

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



Leaves pinnately divided, at least the upper ones. 



Bracts shghtly 3-lobed or entire; lobes truncate or rounded at the apex. 



XI. LUTEAE. 



Bracts deeply divided into lanceolate or linear-lanceolate lobes. 



Whole plant white-woolly. XII. Lineatae. 



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. Fasciculat.ve. 



Lip at least two-tliii'ds as long as the galea, decidedly saccate. 



XIV. Pallescentes. 

 Calyx much deeper cleft in front than belitnd. 



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



XV. Brachy.\j^th.ie. 

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



XVI. Sessiliflorae. 



I 



1. C. exilis. 



2. C. coccinea. 



liigh; leaves and bracts pin- 



3. C. collina. 

 3 stems; leaves entire or the 



I. Stenanthae. 

 One species. 



II. COCCINEAE. 



One species. 



III. LlNARIAEFOLIAE. 



Bracts crimson or puik. 



Plant low, cespitose, with several stems, about 2-3 dm 



nately divided; inflorescence short and head-like. 

 Plant tall, 4-10 dm. high, with a single or sometimes 2 

 upper with 2-3 lobes; inflorescence elongate. 

 Leaves all narrowly luiear. 

 Upper leaves lanceolate. 

 Bracts yellowish or brownish. 



Bracts cream-color; Inflorescence villoas-hirsute, with yellowish hairs. 



6. C. cognala. 

 Bracts brownish; Inflorescence villous, with short white hairs. 



7. C. arcuata. 



Leaves entire. 



Bracts oblong. 



Bracts obovate. 

 Leaves pinnatifld. 



4. 

 5. 



C. linariaefolia. 

 C. Crisla-galli. 



One species. 



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. confuxa. 

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

 roimded 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 puberulcnt. 15. 



Stem and leaves viscid-pubescent. 10. 



Leaves oblong, elUptic, or ovate-lanceolate. 



Stem and leaves densely pubescent. 17. 



C. laula. 



C. pinetorum. 



C. Leonardi. 



