APPENDIX. 
483 
or more; bracts not woolly; calyx yellowisli, densely hirsute, twice longer than the very small 
few-flowered 4-5-cleft involucre, the segments similar and nearly equal. 
71. E. TiuciiopoDUH, Torr. Leaves finely puhescent or glabrate, scarcely cordate ; scape short; 
panicle very branching and slender. See page 309. 
72. E. INFLATUM, Torr. Leaves rather hirsute or velvety ; scape elongated, often inflated, panicle 
rather stout and rigid. . See page 309. 
(3.) Whole plant glabrous; calyx not exceeding the very long-pcdicelled few-flowered involucre. 
73. E. GoRDONi, Benth. Leaves round; peduncles several^ short, repeatedly diohotonimis aiul loosely 
panicled above; pedicels erect^ subcapillary, 1' long or more; involucre scarcely 1" long, turliiiiate- 
campanulate, .5-toothed; bractlets minutely glandular, outer calyx-segments ovate, the inner i.lilong, 
a little shorter. — On the Upper Platte, (Gordon.) 
(c.) Perennials or biennials, less branched ; leaves not conlnto ; bvncts vfr\ small ; jH'diccls clouLiiilcd, 
erect; involucres 1^-2^" long, rather many -flowered ; calyx gluluous, with a slKnt top-sliajicd 
base; bractlets villous. 
74. E. TEXELLUar, Torr. C;Bspjto.se with a nmch braneliod woody cnmb x ; Icavos crowded, ovah' or 
rounded, whitc-tomentose ; Bcapo and spreading panicle smooth ; liowfrs fewer in the iuvoluere, wluh^, 
the segments retnse, unequal, the outer broad-obovate or rounded. — Ccdorado to New Mexico and W. 
Texas. . 
75. E. CILIATUM, Torr. Kadical leaves rosulate, obovate-s])atulate, eiliate on the margins anil niid- 
veiu, otherwise glabroiis; the scape and few peduncles elongated ; involucre broadly campanidnte, '2" 
long; calyx dark-red, thickish, 6-cleft, the lobes ovate, acute, the inner a little narrower an<l longer.— 
N. E. Mexico. 
$ 13. PSEUDO-STIPULATA, Benth. Involucres .and pedicels as in raViundalfi, (or the alar involu- 
cres sessile in E. divar'icaUun;) stems branched, leafy ; tlio true eauline leaves luaet-like, oiipo-,!!,. or 
verticillatC; the axillary more developed, in pairs or fasric h d: calyx very ohtuse at base, minutely 
glandular ; achenium sharply triangular. 
76. E. AXOULOSUM, Benth, Annual, floccose-woolly ; ]>anicle t tfuse ; branidies an-led : ]ie<li( ris 
filiform, widely spreading ; involucres many-flowered, short-toothed ; llowers short-pediet iied, sei;nieuts 
unequal. See page 309. 
77. E. Greggii, T. *fc G. Perennial, erect, about 1° high, puberulent, subglandular ; leaves sputu- 
late, subciliatc, nearly glabrous, the trae caulino ones verticillate, lanceolate, herbaceous, connate into 
a sheath at base ; pedicels subracemose, erect, about 1" long ; involucre turbinatc-campanulnte, 2" long, 
many-flowered, 5-toothed ; bractlets scarious, hirsute ; calyx purplish, deeply C-cleffc, tlie lobes ovate- 
oblong, similar. — Northern Mexico. 
78. E. DiVARiCATUM, Hook. Annual, low, puberulent, much branched ; radical leavi s ov;iii' and sjiut- 
ulate, eauline stipule-like, subulate-linear, the axillary ones similar, in pairs ; involucres verj- small, 
nearly 5-parted, few-flowered, those in the forks mostly sessile; calyx-segmcnts wliite, olilong, sub- 
equal. — S. Wyoming, (Geyer.) 
§ 14. FOLIOSA, Benth. Inflorescence as in the hist sc. ri'"'! : 'v.vohu-ro. 4-.^-(]. ff ..r i.-i; f d. iho-,. in 
the forks sometimes sessile ; calyx with a very short .djfuse h, j>edi. el 
exserted; annuals, with leafy stems, the eauline ]eav< u. ^ - iopcd, mostly . -j- -.; ■ ..nicillate, 
the axillary similar and fascicled. 
79. E. SAi.suGTXO.suM, Hook. Glabrous, diftusely mucli-bran. hed, V to a sj,aii liigh, leafy through- 
out ; leaves spatulate or oblong or the upper linear, subflesliy : in v.d.iei v of s. veral unequ.-il nearly 
di.stinct linear bracts, few-flowered, sessile in the forks or a few of tiieni on lililorni peduncles; calyx 
suhherl.aceous, minutely roughish, tlu^ s.-i .-n's ohlong, subequal, closed in Irnit ummh die shandy tri- 
angular achenium. — Southern Wyomin . 
8(t. E. Ai!i-.!:Ti AxrM, Torr. Milou- ^ ent, p.oniciilately Lrancbed, o ect, \> 
or subcoidate. i>ei;oled, the upper Jaii linear. sii))sessi!e ; involucres more or 1. d, 
many-ilowen'd, with .'.-H linear leafy scgiii.'.vi.: calyx ])etaloid, glabrous, r ..In,-.!. iis 
rounded, deeply cordate, becoming nearly v!" Ion--, the inner linear-o' f'> 
Arizona. 
8L E. rn,w;XAri:<>f!>ES, Torr. 1 high, pul. ■ <h-n~Vy. iutrrno.h s Hon- 
gated; eauline leaves narrow-linear, more or 1 
5-8 cleft, 8-12-tlo«-orcd ; calyx petaloi/1. -Inl-ro-; 
fruit, the inner longiT, oblong-lim ar. ) ■ 
82. E. SPERGt'Lixi M, fJray. I'ani' 
, . 1 111 1 •) Ur,-Hri->rf>il • cai\ \-.si'"^nieuls f i ua i, i. li lica te-ohli 'li 
ular; involuoies on A ciy^kudcr pi d.^ - i -^-uowcruu , cai \ -\ i , 
See page 310. 
