430 COMPOSITE. Hieradum. 



++ -w- ++ ++ +-!• Flowers white or flesh-colored : akenes slender-columnar, hardly narrowed 

 upward, about the length of the briyht white suft pappus : stem leafv. (Transition to C'repls.) 



H. carneum, Greexe. Wholly glabrous and smooth except below : stem slender, 2 feet or 

 more high, loosely pauiculate-brauched, glaucescent, its base and the oblong or lauceolate 

 subsessile radical leayes beset with long viUuus-aetiiorm. hairs : cauline leaves narrowly-lance- 

 olate to linear, entire, rery smooth, some of tlie lower sparsely piliferous : heads scattered in 

 the corymbiform or irregular panicle : involucre campanulate, 4 or 5 lines high, pale, of 

 narrow liuear-ianceolate bracts, 15-20-fiowered: corollas light rose-color: akenes 2 lines 

 long. — Bot. Gazette, vi. 184; Gray, 1. c. 69. — Mountains of New Mexico, Greene. Also 

 coll. by Bigelow or Wriijht. Huachuca Jrountains, S. Arizona, Lemmon. 



H. Lemmoni, Gray. ViUousIy or hirsutely setose throughout up to the racemiform close 

 thyrsus: stem simple, 2 feet or more high, very leafy: leaves thiujiish, lanceolate-oblong, 

 denticulate with callous or glandular teeth ; cauline parti}' clasping, acute ; lowest oldong- 

 spatulate, 4 to 7 inches long, tapering into winged petioles; tho.se of radical cluster wanting : 

 heads numerous and crowded in the oblong thyrsus, 4 lines high, I2-20-flowered: involucre 

 glal)rous or nearly so, not glandular, not longer than tlie cauescently puberulent jieiluncles ; 

 its principal bracts narrowly linear, greenish-iivid, obtuse : corollas short, seemingly white ; 

 akenes hardly 2 lines long, slender, obscurely if at all narrowed upward when mature but 

 obviously so when younger : pappus less copious than in the preceding, bright white. — 

 Proc. Am. Acad. xix. 70. — S. Arizona, at Bear Spring, Cave Cauon, near Fort Huachuca, 

 Lchniion. A species of Mexican type, of the group llii/rsoidea of Fries. 

 H. ABScissu:\r, Less., a Mexican species (with habit of //. Lemmoni, but less leafy), probably 



also including IT. thyrsoideum, Fries, is said, in Fries, Epicrisis, 150, to come from " Texas ad 



Malpays de la Joyas'' (an unrecognized locality), and from "Alabama." 



227. CREPIS, L. (Name used by Pliny for some now unknown plant, 

 from KpTjTTts, a boot or sandal.) — Chiefly a European genus, of annuals or jieren- 

 niuls, with soft white papjius and narrow-necked or beaked akenes, some with 

 truncate or merely upwardly attenuate akenes ; the involucre apt to be thickened 

 at l)ase, and leaves to be pinnatifid. Flowers in all ours yellow. — Torr. & Gray, 

 Fl. ii. 487 ; Benth. & Hook. Gen. ii. 513. 



* Annuals or hardly biennials, sparingly introduced from Em-ope : akenes beakless or nearly so: 

 bracts of involucre thickening and becoming more or loss rigid at base after anthesis. 



* C vfRENS, L. A foot or two high, erect or ascending : leaves from dentate to laciniate-pin- 

 iiatifid, spatulate to lanceolate ; cauline with sagittate somewhat clasping base : heads 

 slender-peduucled, small: involucre 3 or 4 lines high: akenes obloni;-, lo-striate, smooth, 

 slightly and about equally contracted at botli ends. — Vill. Fl. Delph. iii. 142. C. pnli/mor- 

 jilia, Wallr. ; DC. Prodr. vii. 162, mainly. Mu/drullirix crepoidcs, Gray, I'iu-H. R. Kej). xii. 

 49, & Creiiis Cooperi, Gray, Proc. Am. Acad. ix. 214, a small and diffuse somewhat naked- 

 stemmed form, with scattered heads. — At landings and near towns on the L'olumbia Kiver, 

 Oregon and Washington Terr., probably at first a ballast-weed. (Nat. from Eu.) 



- C. tect6rdm, L. Usually more slender: leaves narrow, less or not at all sagittate at base : 



akenes fusiform, with gradually attenuate summit, upwardly scabrous on tlie ribs. A 



ballast-weed at Xew York Harbor. In fields at Lansing, Michigan. (Nat. from Eu.) 

 C. BiiJ.N'Nis, L. Generally larger, more pubescent or hirsute, leafy -stcinuied : leaves nuicinate- 

 pinnatifid, or some of the lower spatulate and barely dentate; cauline with siiLjittate-dentate 

 base: involucre 4 to 6 lines high, broadly campanulate, somewhat canescenth- pubescent and 

 hispidulous: akenes oblong with narrower summit, 13-striate, smooth.^ Engl. Bot. t. 149; 

 DC. Prodr. vii. 163 (excl. var. Americana) ; Reichenb. Ic. Fl. (ierm. t. 1439. — Waste grounds, 

 Vermont, Prini/lr. (N.nt. from Eu.) 



* * Perennials, indigenous westward or northward: akenes beakless or short-beaked. 



•I- Low or depressed, branched from base, glaucescent and wholly glabrous, beai-ing numerous 



clustered and narrow short-peduuclod heads: involucre cylindrical, 8-14-tlowered, ut 8 to 10 



Bm<i(.th imd narrowly linear obtuse equal bracts, in a single series (unchanged in fruit except by 



thickened midrib close to the base in C. nana), and 3 or 4 short calyculate'^iMies at base: akene"s 



