266 COMPOS ITiE. Balsamorrhiza. 



base 2 to 6 inches wide, on petioles of greater length) ; the few and inconspicuons cauline 

 from linear to spatulate : scape at length a foot or more liigh : rays 1 to nearly 2 inches long. 

 — Gray, Bot. Calif, i. 348. B. sagittata & B. helinnthoides, Nutt. Trans. Am. Phil. Soc. I.e.; 

 Torr. & Gray, 1. c. Espeletia kelianthoides & E. sagittata, Nutt. Jour. Acad. Philad. vii. 38, 

 t. 4. Btiplitkal mum sagittatnm, Pursh, Fl. ii. 564. — Rocky Mountains of Colorado to Mon- 

 tana and Brit. Colunihia, the border of California, and S. Utah. Young stalks, root, and 

 seeds used for food by the Indians. Outer bracts of the involucre sometimes oblong-lanceo- 

 late, foliaceous, and surpassing the disk (as in Pursh's original) ; or all more imbricate and 

 conformed, the outer shorter. 



B. deltoidea, Nutt. Trans. 1. c. Green, more or less pubescent or glabrate : leaves broadly 

 cordate to cordately ovate-lanceolate, sometimes nearly deltoid, from irregiUarly serrate to 

 entire, 4 to 10 inches long : scape with small lanceolate or rarely ovate leaves, not rarely 

 2-3-cephalous : rays an inch or more long. — Torr. & Gray, 1. c. ; Gray, Bot. Calif. 1. c. B. 

 glahrescens, Benth. PI. Hartw. 317. — Idaho and Brit. Columbia to S. California. 



B. Bolanderi, Gray. Green, glabrate : stems stout, a span or two high, and bearing 2 or 3 

 subcordate nearly entire leaves, similar to and as large as the radical ones : principal invo- 

 lucre of the short-peduncled head a single or double series of ovate-lanceolate foliaceous 

 bracts, over an inch long: apparently disk-akenes flattened. — Proc. Am. Acad. vii. 356, & 

 Bot. Calif. 1. c. — California, at Auburn, and on the Sacramento, Fremont, Rich, Bolander. 



* * Leaves not cordate and entire, varying from laciniately dentate to pinnately or bipinnately 

 divided: heads solitary on a naked scape, or scapiforni stem bearing a pair of small o]iposite 

 leaves towards the base: thick eaudex or root exceedingly balsamic-resiniferous. Perhaps all 

 forms of one polymorplious species. — § Euhalsamorrliizd, Nutt. 



B. macrophylla, Nutt. Green, not at all canescent, glabrate, except the ciliate margins 

 of the leaves, usually minutely glandular-viscidulous : leaves ample, ovate or oblong in out- 

 line, a span to a foot long, some witli only one or two lobes or coarse teeth, most of them 

 pinnately parted into broadly lanceolate and commonly entire lobes (of 2 or 3 inches iu 

 length) : scapes a foot or two high : bracts of tlie involucre from narrowly lanceolate to 

 spatulate and foliaceous, an inch or two long, nearly equal, either half or fully tiie length of 

 the rays. — Trans. Am. Phil. Soc. vii. 350; Torr. & Gray, Fl. ii. 301 ; Eaton, Bot. King Exp. 

 168. — Rocky and Wahsatch Mountains, Wyoming to Utah, Nuttall, Fremont, Watson. 



B. terebinthacea, Nutt. Slightly and minutely if at all canescent: leaves from green 

 and glabrate to minutely hispidulous-scabrous, or barely hirsutulous at margins, at length 

 rigid and reticulate-veiny, oblong-lanceolate and with cuneate or truncate base (4 to 8 inches 

 long, 1 to 3 wide), spinulosely dentate or sometimes crenate-dentate, or some laciniate-incised, 

 or even pinnatifid : scapes a span to a foot high ; involucre lanate-tomentose, of numerous 

 and narrow linear-lanceolate and attenuate loose and nearly equal l)racts, an inch long. — 

 Trans. Am. Phil. Soc. vii. 349 (name only) ; Gray, PI. Fendl. 82. B. Hookeri, var., Torr. & 

 Gray, I. c. Ueliopsis? terebinthacea, Hook. Fl. ii. 310 ? — W. Idaho to E.Oregon, in hard 

 or stony ground, Douglas, Spalding, Nevius, Cusick. 



B. Hookeri, Nutt. 1. c. Canescent with fine sericeous or more tomentose pubescence, but 

 not .at all hir.sute : scapes and leaves a span to a foot high ; tlio latter lanceolate or elongated- 

 oblong in outline, pinnately or bipinnately parted into lanceolate or linear divisions or lobes, 

 or some of them only pinnatifid or incised : involucre from canescently puberulent to lanate ; 

 its bracts from linear- to oblong-lanceolate, either unequal and well imbricated or sometimes 

 the outermost foliaceous and enlarged. — Torr. & Gray, 1. c, excl. var.; Eaton in Bot. King 

 Exp. 1. c. Ueliopsis? balsamorrhiza, Hook. 1. c. — Hills and rocky plains, eastern parts of 

 Washington Terr, to Nevada and W. California; fir.st coll. by Douglas. 



Var. incana. Densely wliite-tomentose : leaves often of broader outline. — B. incana, 

 Nutt. 1. c. 350; Torr. & Gray, 1. c. — AVyoming and Montana to northern parts of Cali- 

 fornia; first coll. by Nuttall. 



B. hirsuta, Nutt. 1. c. Green, roughish-hirsute or hispidulons, not tomentose nor canes- 

 cent : leaves lanceolate in outline, pinnately parted or divided, the divisions (9 to 15 lines in 

 length) incisely toothed or again pinnatifid, soon rigid : scapes a span to a foot high : invo- 

 lucre liirsute-pubescent or glabrate, of narrowly lanceolate or more attenuate bracts. — 

 Torr. & Gray, 1. c. ; Eaton, 1. c — Utah to Brit. Columbia and N. E. California, in the dry 

 region ; first coll. by Douglas and Nuttall. 



