CHICORY FAMILY 1031 



rib; flowers light yellow, turning pinkish. T. villosum A. Nels. Mountains and 

 hills: Alta. Mont. Utah B.C. Submont. Mont. Je-Au. 



5. A. altissima Rydb. Leaves linear-oblanceolate, entire, sparingly vil- 

 lous, especially on the margins; scapes sparingly villous; involucres broadly cam- 

 panulate, 2 cm. high and broad; bracts densely pilose, more or less brownish in 

 color, the outer ovate-oblong, obtuse, or acute, the inner lanceolate, acute; 

 flowers yellow, turning pinkish. Meadows: Alta. Mont. Submont. 



6. A. maculata Rydb. Leaves oblanceolate, more or less pubescent, 

 especially on the margins and veins; scape 1-2 dm. high, often sparingly hairy 

 and villous under the head; involucre campanulate, about 2 cm. high; outer 

 bracts dotted with blackish dots; inner bracts lanceolate, all abruptly acuminate; 

 ligules yellow or the outer tinged with reddish. A. apiculata Greene. Moun- 

 tains- Colo. Mont. Alp. Jl-Au. 



7. A. turbinata Rydb. Leaves narrowly linear, 7-15 cm. long, 1-5 mm. 

 broad, glabrous, bluish green, the midvein and base often purplish, entire, at- 

 tenuate; scape about 3 dm. high, slender, sparingly villous, more densely so under 

 the head; involucres 17-20 mm. high; bracts all narrowly lance-linear, villous on 

 the back and the margins, with dark purple middle and yellowish green margins; 

 ligules 15-18 mm. long, yellow, with purple veins, turning pinkish in age. Moun- 

 tains: Alta. Mont. 



8. A. attenuata Rydb. Leaves narrowly oblanceolate, 1-1.5 dm. long, gla- 

 brous and glaucous, usually denticulate, tapering into a short petiole; scape 

 about 1.5 dm. high, villous near the head; involucre campanulate, about 2 cm. 

 high; outer bracts ovate-lanceolate, somewhat villous on the margins, purplish 

 on the back. Mountains: Colo. Mont. Au. 



9. A. pumila (Xutt.) Rydb. Leaves 5-15 cm. long, usually broadly ob- 

 lanceolate, entire or merely dentate, glabrous and somewhat glaucous; scape 1-2 

 dm. (rarely 3 dm.) high, stout, more or less villous under the heads; involucres 

 campanulate, about 2 cm. high, 2-2.5 cm. broad; bracts villous-ciliate on the 

 margins and usually also on the back; outer bracts ovate to oblong, often obtuse 

 or rounded at the apex; flowers light yellow, with purplish veins, turning pinkish 

 in age. T. pumilum Nutt. Hills: Mont. Colo. Submont. Alp. Jl-Au. 



10. A. scorzoneraefolia (Schrad.) Greene. Leaves oblanceolate or linear- 

 oblanceolate, scarcely glaucous, glabrous, 1-3 dm. long, usually acute, entire, or 

 rarely dentate; scape villous under the head; involucres 2-3 cm. high, 2-3.5 cm. 

 wide; bracts lanceolate or the inner linear-lanceolate, acute, villous-ciliate at 

 least on the margins; flowers light yellow, with purplish veins, turning pinkish 

 in age. T. glaucum dasycephalum T. & G. Hillsides: Alta. S.D. Colo. Nev. 



Ore. B.C. Plain Submont. Jl-Au. 



11. A. agrestis Osterhout. Leaves linear or oblong in outline, more or less 

 pinnatifid or saliently toothed, with up-turned divisions, acuminate; scape 2-3 

 dm. high, glabrous; involucres about 2 cm. high and as broad; bracts acuminate, 

 the outer ovate or ovate-lanceolate, the inner linear-lanceolate; flowers yellow, 

 drying purplish. A. Leontodon Rydb. (Fl. Colo.), in part. Hills and moun- 

 tains: Colo. Mont. Submont. Subalp. Jl-Au. 



12. A. roseata Rydb. Leaves about 2 dm. long, long-pet ioled; blades ob- 

 lanceolate, acute, denticulate or entire or pinnatifid, glabrous and glaucous; scape 

 5-6 dm. high, slightly villous above; involucre campanulate, 1.5-2 cm. high; 

 bracts oblong-ovate, acute, nearly glabrous, often with a rose-colored spot in the 

 middle; corolla rose-colored. Hills: Colo. Submont. Jl-Au. 



13. A. glauca (Nutt.) Greene. Leaves 1-2 dm. long, glaucous, not two- 

 ranked, rarely pinnatifid; scape 2-4 dm. high, glabrous; involucres turbinate or 

 turbinate-campanulate ; bracts lanceolate or linear-lanceolate, acute; corollas 

 light yellow, turning pinkish. (?) A. vicinalis Greene. T. glaucum Nutt. 

 Prairies and meadows: Man. S.D. Colo. Utah Wash. B.C. Plain Mont. 

 Je-Au. 



14. A. paryiflora (Nutt.) Greene. Leaves 1-1.5 dm. long, 2-5 mm. wide; 

 more or less distinctly 2-ranked; scapes decumbent at the base, 1-2 dm. high, 



