Actinella. COMPOSITE. 345 



Var. linearis, Xutt. 1. c. Leave? all narrowly linear and entire, more rigirl. — Texas 

 to XeM- Mexieu, and the borders of Colorado; broader-leaved and dwarfer formi, verx like 

 glabrate J. acau/w. (Adj. Jlex.) 



■"~~ ■^' acaulis, Xlti. Den-uly cespituse, the branches of the caudex short, thick, and crowded, 

 canesceiitlv yUlous or sriiceous, sometimes more naked: leaves thickish, aU entire, from' 

 spatulate to nearly linear, commonly short (haK-inch to 2 inches long), densely crowded on 

 the caudex: scape half-inch to 6 inches high: rays 3 to 5 indies long (rarelv wanting).— 

 Gen. ii. 17.3 ; Torr. & Gray, 1. c. ; Eaton in Bot. King Exp. 174. A. I„„ata, Xutt. Trans. 

 Am.^ Phil. Sue. 1. c. ; Torr. & Gray, 1. c, a loosely villous form. Clnrdln acaulis. Pursh, 

 ri. ii. 743. Cephalophora (Actindhj) acaulis, DC. l' c. — Rocky Mountains and the bordering 

 plains and hills, Dakota to ilontana, and south to Xew Mexico, W. Xevada, and Arizona. 

 Passes into 



_ Var. glabra, Gk.it, Man. ed. '>, 363. Leaves green, spatulate-linear, from sparinglv 

 villous or glabrate to nearly glabrous, even to the ha.~e and axils. — .4. 17/06™ & A. Trrrrey- 

 ana, Xutt. 1. c. ; Torr. & Gray, Fl. ii. .382. — Rucky hills and bluffs, Wyoming Terr, to Xew 

 Mexico and Utah. Also on an ancient mound at Joliet, Illinois, SfOMtaon, W. Boott, prob- 

 ably adventive. 



A. depressa, Tore. & Ge.it. Pulvinate-cespitose : leaves densely crowded on the very 

 thick deii^e branches of the caudex, spatulate-linear, half-inch Ions, either serii-euus-canescent 

 or glabrate : head strictly sessile, immersed among the long-viUous ba^e^ of the leaves. — 

 PI. Fendl. 100, with var. pygmaea, a diminutive silky-canescent form. — Mountains of W. 

 Colorado or E. I"tah, Fremont, Wurd, and the small variety, Eaton ^Mountains, Gordon. 

 Perhaps a state of A. acaulis. 



-I— -J— Leaves all quite entire, cvowded on the caudex, also scattered along the simple or sparingly 

 branched stems : peduncles slender: lieads, &c., of the preceding subdivi-ion. 



A. argentea, GB.iT. Commonly rather stout, a span to a foot high, silvery-canescent with 

 appressed silky pubescence : lower leaves spatulate and oblanceolate, uppermost linear : heads 

 4 or 5 lines high and rays 5 or 6 lines long, but sometimes of less than half this size : paleiE 

 of the pappus .5, from broadly ovate or obovate to oblong, with manifest co>ta produced into 

 an awn which usually about equals the disk-corolla. — PI. Fendl. 100; Eotlirock in ^Vheeler 

 Eep. vi. 173. — Hills of X'ew Mexico; first coU. by Fendler. 



A. leptoclada, Gk.it. a span or two high, more slender, sparsely and more loosely silky- 

 villous, glabrate. the narrower (sometimes all narrow-linear) leaves and lower part of the 

 stems not rarely glabrous : heads usually smaller than of the foregoing. — Pacif. E. Eep. 

 IT. 107. — Xew ^Mexico and S. W. Colorado to Arizona ? Bigelow, Seu-berry, BrniifJi'qee. &c. 



■^r— -ir— -^r— Leaves mostly parted or di«=ected into narrow linear lobes, crowded on the thick com- 

 paratively simple caudex and scattered on the short flowering stems: heads large : bracts of the 

 involucre herbaceous but very woolly, loose : receptacle herai-pherical : paleie of the pappus 

 5 or 6, elongated-lanceolate, attenuate into a subulate but hardly awned point, somewhat shorter 

 than the disk-corolla. 



A. Brandegei, T. C. Poetee. Leaves glabrate, with 2 or 3 lobes toward the upper part, 

 or some entire, narrowly linear, only 2 or 3 on the somewhat scapiform simple flowering 

 stem (of a span or more in height) : head therefore conspicuously pedunculate, half-inch 

 high and wide : involucral bracts lanceolate : rays \2 to 16, 3 or 4 lines long. — Gray, Proc. 

 Am. Acad. #iii. 373. A. grandiflora, var. glabrata. Porter & Coulter, Fl. Colorad. 76. — 

 Alpine region of the Sangre de Christo and adjacent mountains of S. Colorado, Parry 

 (1S67J, Briiiiiliiii:f, Gray & Hooker. 

 ^^ A. grandiflora, Toeb. & Ge.vt. A span or two high, very stout, floccose-woolly. tardily 

 somewhat glabrate in age: stem, simple or branching below, leafy: leaves with petiole 

 scarious-dilated at base, lower ones 2-3-ternately or quinately parted, upper A\ith 3 to 5 - 

 simple lobes : involucre about an inch broad, very woolly ; its bracts linear : rays 30 or more, 

 over half-inch long: plants generally growing singly and the caudex on a perpendicular 

 root, as if biennial. — Bost. Jour. Xat. Hist. Soc. v. 1 10 ; Gray, Am. Jour. Sf i. xxxiii. 240. — 

 Alpine region of the Eocky Mountains from Montana to Colorado ; first coll. by Fremont. 

 A. CHEYSAN-THE.MOirit^ and A. ixsfGxis, Gray, Proc. Am. Acad. xix. 32, of Mexico (large 

 and tall species, with much divided leaves, and at most biennial roots), rank next to A. 

 grandiflora. 



