1020 CICHORIACEAE 



Krigia amplexicaulis Nutt. Moist woods: Ont. — Ga. — Colo. — Man. Plain — 

 Subrnont. 



8. CICHORIUM (Tourn.) L. Chicory. 



Herbs with stiff branching stems and mostly basal leaves, the stem-leaves 

 reduced and bract-lils;e. Involucres cylindraceous ; bracts in 2 series, the outer 

 somewhat spreading, the inner erect and partly enfolding the achenes at the base. 

 Flowers blue, rose, or pink. Achenes 5-angled, truncate and beakless at the 

 apex. Pappus of 1-8 series of short blunt squamellae. 



1. C. Intybus L. Perennial, with a taproot; stems slightly hispid, 3-10 dm. 

 high; basal leaves spreading, runcinate-pinnatifid, spatulate in outline, 7-15 cm. 

 long; stem-leaves smaller, lanceolate or oblong, lobed or entire, clasping and 

 auricled at the base; heads numerous, 1-4 together in sessile clusters; bracts 

 proper about 8, glandular-ciliate. Roadsides, fields, and waste places: N.S. — 

 N.C. — CaHf. — B.C.; nat. from Eu. Plain — Subrnont. Jl-S. 



9. UROPAPPUS Nutt. 



Acaulescent annuals. Leaves basal, narrow. Involucres narrowly turbin- 

 ate; bracts nearly equal, subtended by a calyculum of small ones. Flowers 

 yellow; ligules short. Achenes fusiform, produced into a beak. Pappus of .5 

 scarious squamellae, 2-cleft at the apex, with an awn between the lobes. 



Awns 1-2 times as long as the short pappus-squamellae. 1. U. macrochaetus. 



Awns scarcely half as long as the long pappiis-squamellae. 2. U. linearifulius. 



1. U. macrochaetus (A. Gray) Greene. Leaves mostlv near the base, 

 linear, entire, sinuately and saliently toothed or lobed; peduncles 2-4 dm. long; 

 involucres narrowly turbinate, 15-20 mm. high; squamellae lanceolate, about 

 2 mm. long, cleft to the middle; awns 6-7 mm. long. Microseris macrochaeta A. 

 Gray. Meadows: Ore. — Ida. — s Calif. Son. Ap-My. 



2. U. linearifolius (DC.) Nutt. Leaves near the base, somewhat pubescent 

 when yoimg, narrowly linear, entire or with divaricate linear lobes; peduncles 

 1-3 dm. long, usually thickened obove; involucres turbinate, 18-25 mm. high; 

 bracts linear-lanceolate, acuminate, the outer about half as long as the inner; 

 squamellae 7-9 mm. long, linear-lanceolate, notched at the apex; awns 3-4 

 mm. long. M. linearifolia A.Gray. Low ground: Ida. — N.M. — Calif. — Wash. 

 Son. Mr-Je. 



10. NOTHOCALAIS (A. Gray) Greene. 



Acaulescent perennial, of the habit of Agoseris, with narrow, entire or pinna- 

 tifid leaves. Involucres oblong-campanulate; bracts in 2-3 series, nearly equal, 

 without calyculum. Receptacle naked. Flowers yellow. Achenes attenuate- 

 fusiform, beaked. Pappus of 20-30 narrow linear-lanceolate, in one species 

 nearly bristle-like, squamellae tapering into an awn. 



Bracts linear-lanceolate, scarcely spotted. 



Pappus distinctly paleaceous, of narrow sqiiamellae gradually attenuate. 



1. N. troiimoidcs. 



Pappus of bristles only slightly broader and flattened at the base. 2. N. cuspidata. 

 Bracts ovate or ovate-lanceolate, acuminate, conspicuously spotted. 3. N. nigrescens. 



1. N. troximoides (A. Gray) Greene. Leaves narrowly linear-lanceolate, 

 undulate, attenuate; bcape puberulent when young, 1-3 dm. high; involucres 

 about 2 cm. high; bracts narrowly linear-lanceolate, somewhat purple-tinged on 

 the midrib, gradually attenuate; pappus of 20-25, narrowly linear-lanceolate 

 attenuate scales. Microseris troximoides A. Gray. Wooded hills and plains: 

 Mont. — Utah — Calif. — Wash. Plain — Subrnont. Ap-Je. 



2. N. cuspidata (Pursh) Greene. Leaves somewhat glaucescent, linear- 

 lanceolate, caudately attenuate, more or less wavy, villous-tomentulose on the 

 margins when young; scape 6-30 cm. long; involucres turbinate, about 2 cm. 

 high; bracts lanceolate or linear-lanceolate, gradually acuminate, somewhat 

 tinged with purple; pappus of 40-50 bristles. Troximon cuspidatum Pursh. 

 Prairies and plains: Wis. — ^Mo. — Colo. — S.D. Plain — Subrnont. Ap-Je. 



