POLEMONIACEE 8] 
Simple or spariagly branched: flowers sessile in dense leafy-bracted heads: corolla salver- 
form 
Corolla-tube little or not at all exserted beyond the leafy bracts...... 11, 15, 16 
Corolla tube much exserted........... cece sc ee cece ee cece cece anes . 12,13, 14 
** Leaves alternate, lobed or parted; rarely a few entire or opposite. 
t Leaves palmately parted into rigid pungent divisi stems dy: flowers large, sessile: 
corolla salverform: stamens included...........+.00--008 17, 18 
++ Leaves pedately 5-7-parted: soft-hairy perennials. 
Flowers white in dense heads: some leaves 3-parted or entire............ .. 84 
Flowers violet or purplish, solitary, subsessile in forks or axils....... aiateyayeia 8's 35 
ttt Leaves pinnately incised cleft or divided, rarely a few entire or opposite: bracts some- 
times nearly palmately cleft. 
a, Flowers in dense leafy-bracted clusters or heads: lobes of the calyx, bracts and upper 
leaves mostly rigid and pungent. 
Much branched annuals: sometimes viscid: never woolly except in the heads:-stigmas often 
only 2. 
At least some of the leaves bipinnatifid. 
More or less viscid; odor disagreeable....... teeisedenewrevecsxesces, LO, 20 
Not viscid: leaf-segments filiform.............ceneessees secceees 21 to 24 
Leaves simply pinnatifid or many entire. 
Not viscid; bracts and calyx fine-woolly.........cecccscccccescceceeres 25 
Viseld scan ncieneencecnmenciar meme teeeewnd snseaseee wiisiewieecarareie 26 to 28 
Densely woolly, at least when young: corolla salverform: stamens exserted. 
Leaves rigid, not viscid: filaments exserted; anthers sagittate.......... 29 to 33 
Leaves not rigid: petioles broad: flowers small, white, numerous............. 34 
b. Inflorescence bractless or nearly so: leaves not rigid or pungent, 
Stems from creeping rootstocks, 1 or 2 incher high...........0sceeseccsceeneceess 35 
Flowers in long-pedunculate ovoid heads: leaf-lobes filiform...... Sean e cacmhdes 36, 37 
Flowers clustered or solitary: leaf-lobes slender (except 41)......... sipitatennleeiee 38 to 44 
Corolla pinkish, slender, twice as long as calyx..........eece see eeeececceeees 45, 46 
*** Leaves entire (rarely 2 or 3 small lobes), alternate, or the lower opposite, sessile: corolla 
salverform to funnelform: stamen unequally inserted: more or less viscid annuals, 
Flowers on filiform peduncles: corolla pink, 5 to 10 lines long. ..........-..2e.0ee0- 47 
Flowers in loose cluster or scattered: calyx-lobes slender.... ....eceecccccccaceeses 48 
Flowers in the forks and upper axils: calyx-lobes awn-like......cscocecccececceces 49 
Flowers in leafy-bracted capitate clusters or a few scattered. 
Calyx-lobes acute: corolla 5 lines long............seee6 Se ee ee 50 
Calyx-lobes obtuse: corolla 10 to 15 lines long.........ccacecwccesscececces. G1 
81. Dactylophyllum, Gray. 
41. G. liniflora, Benth. Corolla white or pinkish, nearly rotate. W. Cal. 
11 ~ 
