POLEMONIACE^. (^POLEMONIUM 1 AMILVJ '2\ 



Order 51. P0L.EITI01VIACE.T:. (Polemoxium Family.) 



Herbs, witli alternate or opposite leaves, nirnlar r>-iiM'r»tii.s ami 5- 

 androus flowers, the lobes of the corolla convolute in the bud, a M-cdled 

 ovary and a 3-lobed style: the pod few to many-seeded, its M v .K.- 

 usually breaking away from the central c(thimn. 



1. Phlox. Corolla strictly salverforin, with slender tube and narrow oriflra StAinens 



unetiually in>*erted on the tnbe of the corolla: lilanients very sliort : anthers niontly 



included. Leaves opposite and entire. 

 2 Gilia. Corolla from canipanulatc t. funndforni or salverforni, with an n|)rn nriflre. 



Stamens equally or unequally inserted : lilanients not declined, naked at l»a.se. Ix-aves 



various. 

 3. Polenioniuin. Corolla from funnel form to nearly rotate. Stamens equally inserted : 



fihinunts more or less decliried and usually pilose-appendaged at base. Leaves all 



alternate, pinnate or pinnately parted. 



1. PHLOX, L. Phlox. 



Cauline leaves sessile and opposite, or some of the upper alternate: flowers 

 cymose, showy, and variously colored. Our Kocky Mountain forms are some- 

 what suffrutescent, chiefly with narrow or minute and tliickisli-niargincd 

 leaves, and branches or peduncles mostly one flowered. 



* Denseli) cespitose and depressed, most/i/ forminf/ cushion-like evergreen mats or 



tiif}s : the short leaves crowded up to the solitary and usual!// sessile Jluurrs, 



and also fascicled. 



•*- Leaves more or less beset or ciliate with cobwebdike or icoolh/ hairs, 

 •*-<• Vcri/ short, broadish or scale-like, soft, barel/j mucronate, oppressed-imbricated : 



plants verij depressed, moss-like, forming pulvinate tu/ls: lobes of the corolla 



entire. 



1. P. bryoides, Xutt. Copiousli/ lanate: leaves verg denselg aporessed- 

 imbricated in 4 strict ranks on the loosely tufted branches, scale-like, ovjite- 

 or triangular-lanceolate, minute (1^ lines long), with rather inflexeci mar- 

 gins: tube of the corolla considerabig longer than the cah/.r; its cuneate lt>bo« 

 barely 1^ lines long. — PI. Gamb. 153. Alpine summits in Wyoming and 

 nortliward. 



2 P. muscoides, Nutt. Like tlic i)r('ceding, more resembling some canes- 

 cent moss: the branches mucli tufted, very sliort: leares lets strictlg A-rankfd 

 and less lanate, ovate-lanceolate : tube of the corolla not surpassing the cnh/r. — 

 Jour Acad. Miilad. vii. 42. IMountains at the sources of the Missouri. 



*+ ++ Leaves subulate or acerose, someivhat rigid, less aj)jirrssed : j>lants forming 

 broad mats 2 to A inrhfs high. 

 3. P. Hoodii, Richards. Sparsely or lon.soly lanate, becoming glabrato : 

 leaves rather rif/id, erect, somewhat loosely imbricated : tube of the (white M 

 corolla not exceeding the calg.r ; its lobes obovate, entire. — From the mountains 

 of S. W. Wyoming northward. 



