Enumeration of Plants of the Rocky Mountains. [255] 29 
_» 284. Mertensia alpina, Don. ; a loosely paniculate, a: evolute 
variety. “Common in nthe valley of Clear Creek, on gravelly . 
Algae Ju in — clumps, 12 to 18 inches high; flowers dull | blue, in 
denticulata, Roem. & Schult., Cham, ke. Mertensia dénticulata, Don, 
DC., Ledeb. Fl. Ross. Pulmonaria ciliata, James, Torr. in Ann. Lye. 
N.Y. 2, p. ate Mertensia ciliata, Don. &c. a the greater 
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specimens. Certainly it is not known feck, Eastern “ North amet,” 
unless from Labrador. . Engelmann ange it at ‘Bridger s Pass in 
the Rocky Mountains, but my specimens have M. paniculata intermixed, 
Redowskian specimens from umntachatk, distributed by Chamisso, are 
of the present species. It is, writes Dr. Parry, “the common brook- 
side Mertensia, found everywhere along the margins of ice-cold, ee 
streams, u the snow-line, delighting in situations where its pale 
foliage and delicate blue flowers are bathed in the spray. It grows to 
the height of ia to 3 feet; the stems succulent, the lower radical leaves 
large and cor 
_ voRee: Mittincia paniculata, Don. A reduced and alpine, glabrate 
state, with much less acute leaves, of that form of M. paniculata which 
lope of alpine ridges soon bright alpine blue.” M. paniculata 
Hudson’s Bay to Lake Superior, New Mexico, ‘Santa 
< Fé 626, Fendler) and northwestward. The foliage, cl ee en 
as peta other species, from smooth or glabrous to hirsute, ~ —— 
an te segments of the deeply 5-parted calyx are ys hispid-ci Tiates 
Tt obviously CECE, 5 ccidaicie. aa d M. Vie ee tee eae 
nn. Dr. Hooker agen not seized the charac. 
sas nelick distinguish the species from the 
_e« 287. Mertensia alpina, Don. Pulmonaria aipina, Torr. in Amn, Lyc. 
~ N.Y. “The small-flowered alpine Mertensia ; flowers dull blue.’ 
288. Eritrichium glomeratum, DC. Very fine specimens. “Common 
— on gravelly hill-sides and rocky places from the foot of the mountains 
to the upper valleys.’ 
289. Phacelia circinata, Jacq. 
_ 290. Echinospermum floribundum, Lehm. In fruit. 
a 291. Hritrichium crassisepalum, Torr. . ray in Pacif. R.R. Exped. me 
2p. 171, A rent state, with broad lea 
292-294, v 
* For a revision of the species of Mertensia, see Supplement, IV. 
