POLEMONIACE^. (POLEMiJNlUM FAMILY.) 2.')3 



and crowded, so as seeminrj/ij to 6e verticillate : inflorescence capitate-congested 

 or spici/'orm. 



1. P. COnfertum, Gray. A sjan or more high, gl:in(lular-|.nhc.scent and 

 viscid, musky frugraut: leaflets 1 to .3 lines long, mostly 2 to 3 divid«-<l ; tlie 

 divisions from rouud-oval to ohlong-linear : flowers densely crowded, houev- 

 scented : corolla deep Idue, ^ to 1 inch long: ovules about 3 in eac-h cell. '— 

 Proc. Acad. Philad. 1863, 73. Alpine regions from Colorado to California 

 and northward. 



Var mellitum, Gray. Usually a taller form : inflorescence more l.i.x 

 and leafy, becoming spiciform or racemose: corolla pale or s.jmetimcs white, 

 an inch long, more narrowly funnelform. — With the type in Wyomiii", 

 Colorado, and Utah. 



* * Corolla campanidate-funnelform ; its tube not exceedinq the cah/x and shorter 

 than the ample Itmb: ^filaments usually dilated and pdose-appendwjed at Itase : 

 leaflets simple and entire, sometimes confluent: inflorescence open. 



■i- Low, about a span high from cespitose-branching and mosth/ thickened runt- 

 stocks : flowering stems only 1 to 3-leaved : leaflets seldom ^ inch long. 



2. P. viscosum, Nutt. Dwarf and with thick deu.sely tufted rootstocks, 

 viscid-pidxrulent : leaflets very numerous and crowded or even iml)ricated, 

 ovate or roundish, at most 1| lines long : flowers in a rather close ci/mnlose c/u.s/er .- 

 corolla blue or whitish, its lobes about the length of the included tube : filaments 

 not appendaged at base. — High summits towards the sources of the Platte, 

 Nuttall. 



3. P. hTimile, Willd. More slender, and from somewhat creeping r(X)t- 

 stocks, more or less viscid-pubesceut : leaflets 15 to 21, from rouud-oval to 

 oblong, 2 to 6 lines long: flowers rather few in the clusters: corolla blue or pur- 

 plish, its ampler lobes much longer than the short included tube: fllaments pilose at 

 the dilated base: ovules 2 to 4 and seeds I or 2 in each cell. 



Var. pulchellum, Gray. Viscid pubescence mostly minute, or the leaflrts 

 often nearly glabrous and naked: flowers smaller: the lobes of the corolla only 

 2 or 3 lines long, violet or lavender blue, in some forms nearly white. — 

 Synopt. Fl. ii. 150. P. pulchellum, Buuge. Mountains of Colorado ami the 

 Sierra Nevada, northward to the Arctic coast. 



— ■♦- Taller, afoot or more high, from slender rootstocks or roots: Icares and leaf- 

 lets larger. 



4. P. CSeruleum, L. Either glabrous or viscid-pubesrent : stem mostly .strict 

 and virgate, 1 to 3 feet high, 5 to lO-leaved : leaflets from linear lanceolate t«> 

 oblong-ovate, 9 to 20 lines long: flowers numerous m a naked and narrow thyr- 

 sus or panicle: corolla blue, an inch or less in diameter: sti/le and siamenA 

 uswdly protruding. — From the Colorado mountains to California, and f:ir 

 northward; very much less abundant in the N. Atlantic States. 



5. P. foliosissimum, Gray. I'ery viscid-pubescent throughout and strong- 

 scented : stem very leafy throughout: leaflets from lanceolate to ovate-lanceo- 

 late: flowers corymbose-o/mose, smaller: corolla commonly white or crram-cdor, 

 sometimes violet, twice the length of the calyx : style and stamens not protrud- 

 inr/ — Synopt. Fl. ii. 151. P. cocmleum, var. foliosissimum, Gray. MountaiDS 

 of New Mexico, Colorado, Wyoming, and westward. 



