1029. A. cuspidata. 

 Head x %. 

 Achene x li^. 



COMPOSITAB (CO^IPOSITB FAI^IILY) 



1. A. cuspidata (Pursh) Steud. Scape 8 dm 

 from a thickened caudex ; leaves lan- 

 ceolate, elongated, tapering to a sliaip 

 point, entire, woolly on the margins; 

 bracts of the involucre lanceolate, shurj.- 

 pointed; achene healdess. (Troximon 

 Pursh ; Nothocalais Greene.) — I'rairies, 

 Wise, and n. 111., westw. and north- 

 westw. Apr., May. Fig. 1029. 



2. A. glauca (Pursh) Steud. Scape 

 3-6 dm. high ; leaves linear to lanceo- 

 late, entire to dentate or laciniate ; head 

 often pubescent or villous ; achene loug- 

 heaked. (Troximon Pursh.; — JMinn. 



8G9 



high, 





to the Saskatchewan, south w. and westw. Pig. 1030. 



11-11. A. gbiicA. 

 Achene x I^. 



1031. P. carolinianus. 

 Head x %. Achene x 1%. 



103. PYRRHOPAPPUS DC. False Dandelion 



Heads, etc., nearly as in Taraxacum, but the soft 

 pappus reddish or rust-color, and surrounded at ba.se 

 by a soft-villous ring. — Mostly annual or biennial 

 herbs, scapose or often branching and leafy below. 

 Heads solitary, terminal. Flowers deep yellow. (Name 

 composed of irv^pSi, flame-colored, and iraTnrds, pappus.) 

 SiTiLiAS Raf. 



1. P. carolinianus (Walt.) DC. Annual or bien- 

 nial, branching, 1-9 dm. high ; leaves oblong or lanceo- 

 late, entire, cut or pinnatifid, the stem-leaves partly 

 clasping. (Sitilias Paf.; — Sandy fields, Del. to Mo., 

 Kan., and south w. Apr.-July. Fig. 1031. 



104. CREPIS L. Hawk's Beard 



Involucre few-many-flowered, commonly of a single row of equal bracts often 

 bfiooming thickened at base. Pappus copious, white, soft. — Annuals or bien- 

 nmU, not pilose. Otherwise as Hieracium. (The Greek name of some ]ilant, 

 from Kprjirls, a sandal.) 



* Involucre glabrous. 



1. C. pulchra L. Annual, 0.3-1.5 m. high, pubescent below, leafy near 

 the base ; leaves pubescent, oblong or oblong-lanceolate, runcinate-dentate. the 

 lower on margined petioles, the upper somewhat clasping ; heads in a loose 

 naked panicle ; involucre 1 cm. high — Locally established in Va. (Adv. 

 irom Eu.^ 



* * Involucre pubescent. 



•«- Perennial; scapose or nearly so. 



2. C. runcin^ta (James) T. & G. Stem 3-9 m. high, glabrous or somewhat 

 glandular-hispid ; leaves rosulate, obovate-oblong or oblong-spat ulate, repand or 

 runcinate-dentate, glabrous or slightly hispidulous ; heads loosely corymbose, 

 2 cm. broad ; involucre hirsute, 1 cm. or so high. — On saline soil, Man. to la., 

 and westw June, July 



^- H- Annuals or biennials ; steins leafy 



3. C. CAPiLLlRis (L.) Wallr Ascending, 3-(> dm. hich 

 leaves lance-spatulate, laciniate-pinnatifid or merely dentate 

 the canline with sagittate-auriculate bases ; heads small, invo 

 lucre 6-7 mm. hish ; achenes smooth, 'iO-nerved, slightly nar 

 rcjsed at both ends. (C. virens L.) —Fields and waste places 

 becoming frequent. (Adv. from Eu.) Fio. 1032. 



T 



103-2. O. c.ni>Illart». 

 Aoheou X 1^^ 



