1	"Leaves pinnate-compound"	Polemonium
1	"Leaves 0 or simple, entire to deeply pinnate- or palmate-lobed"	2
2	"Leaves 0; filaments < 0.5 mm"	"Gymnosteris {Gymnosteris parvula}"
2	"Leaves present; filaments > 0.5 mm"	3
3	"Perennial herb, subshrub, woody above ground, at least below (see also per <i>Aliciella</i>, <i>Collomia</i>, <i>Phlox</i>)"	4
3	"Annual or rhizomed, short-lived perennial herb, generally not woody above ground except sometimes for parts of woody caudex"	9
4	"Calyx lobes unequal; inflorescence, bracts, calyx with woolly tufted hairs"	Eriastrum
4	"Calyx lobes equal; inflorescence, bracts, calyx with hairs or not, but without woolly tufted hairs"	5
5	"Leaves alternate"	6
5	"Leaves opposite, at least on lower stem"	7
6	"Inflorescence head-like; leaf lobes not rigid, not sharp-tipped; stamens exserted"	"Ipomopsis congesta"
6	"Inflorescence not head-like; leaf lobes rigid, sharp-tipped; stamens included"	Linanthus
7	"Stamens attached at > 1 level; leaves not lobed"	Phlox
7	"Stamens attached at 1 level; leaves lobed"	8
8	"Calyx 5-parted; corolla glandular abaxially, open in day; leaves palmate-lobed, lobes pliable"	Leptosiphon
8	"Calyx generally 6-parted; corolla glabrous abaxially, open generally at night; leaves pinnate-lobed, lobes rigid --- SnJt"	"Linanthus jaegeri"
9	"Calyx membrane narrow, spout-like distally"	Collomia
9	"Calyx membrane narrow to wide, not spout-like distally"	10
10	"Leaves cauline, opposite below, alternate or opposite above"	11
10	"Leaves in rosette and/or cauline, alternate or +- opposite below, alternate above"	16
11	"Stamens attached at > 1 level; leaves not lobed"	12
11	"Stamens attached at 1 level; leaves palmate-lobed"	13
12	"Annual; seeds gelatinous when wet"	"Microsteris {Microsteris gracilis}"
12	"Perennial herb; seeds not gelatinous when wet"	Phlox
13	"Flowers in head subtended by bracts or in small clusters"	14
13	"Flowers in small clusters"	15
14	"Corolla salverform to funnel-shaped, tube long-exserted"	Leptosiphon
14	"Corolla bell- or short-funnel-shaped, tube generally included"	Linanthus
15	"Pedicel > 2 mm, if 0 then corolla with hairy ring inside tube; corolla generally open daytime, without red marks at throat"	Leptosiphon
15	"Pedicel 0--2 mm; corolla without hairy ring inside tube; corolla generally open at night, if open daytime then with red marks at throat (see also <i>Linanthus dichotomus</i> subsp. <i>meridianus</i>)"	Linanthus
16	"Calyx lobes unequal"	17
16	"Calyx lobes equal"	19
17	"Inflorescence open, flowers in groups of 1--3"	Eriastrum
17	"Inflorescence dense, flowers in groups of generally > 3"	18
18	"Inflorescence woolly"	Eriastrum
18	"Inflorescence hairy or not, but not woolly"	Navarretia
19	"Lower cauline leaves palmate-lobed"	20
19	"Lower cauline leaves simple to pinnate-lobed"	21
20	"Leaves petioled, sinuses between lobes not to leaf midrib"	Ipomopsis
20	"Leaves sessile, sinuses between lobes +- to leaf midrib"	Linanthus
21	"Leaf teeth, calyx lobes bristle-tipped"	22
21	"Leaf teeth, calyx lobes with short or long point or not, but not bristle-tipped"	23
22	"Corolla radial; leaf hairs branched; filaments equal"	Langloisia
22	"Corolla bilateral; leaf hairs simple; filaments unequal"	Loeseliastrum
23	"Corolla rotate, bell-shaped, or short-funnel-shaped, lobes > tube"	24
23	"Corolla funnel-shaped or salverform, lobes < tube"	26
24	"Calyx lobes >> tube, margins scarious, rarely ciliate"	Linanthus
24	"Calyx lobes < tube, margins scarious, not ciliate"	25
25	"Lobes of basal leaves >> 2, pinnately arranged"	Aliciella
25	"Lobes of basal leaves 0(1--2)"	"Lathrocasis {Lathrocasis tenerrima}"
26	"Calyx lobes >> tube (+- free to base), margins not scarious, rarely ciliate"	Linanthus
26	"Calyx lobes <= tube, margins scarious, not ciliate"	27
27	"Seeds 1 per chamber, upper leaves linear, simple, entire; plants without skunky odor"	Lathrocasis
27	"Seeds generally > 1 per chamber, if 1 then upper leaves +- palmate-compound, plants with skunky odor"	28
28	"Seeds not gelatinous when wet"	Aliciella
28	"Seeds gelatinous when wet"	29
29	"Inflorescence dense, flowers generally sessile"	30
29	"Inflorescence generally open, flowers pedicelled, if subsessile then inflorescence not dense"	32
30	"Leaves 2-pinnate-lobed or -dissected, margins generally toothed; corolla generally funnel-shaped, throat well developed"	Gilia
30	"Leaves entire to pinnate-lobed, margins not toothed; corolla narrowly funnel-shaped to salverform, throat 0 or not well developed"	31
31	"Leaves pinnate-lobed or linear, entire; corolla radial to bilateral"	Ipomopsis
31	"Leaves lance-elliptic, entire or dentate; corolla +- bilateral"	"Loeseliastrum depressum"
32	"Seeds medium to dark brown or black; leaves basal and cauline, upper cauline +- palmate-lobed with terminal lobe width > lateral, or entire, similar to lower cauline (or 2-pinnate-lobed)"	33
32	"Seeds +- green, tan, light brown, or light gray; leaves generally in basal rosette, upper cauline 0 or simple, entire, different from basal, or pinnate-lobed with terminal lobe width <= lateral"	34
33	"Hairs, or at least some, > 0.5 mm, often longer, glandular or not, generally > 1 type or length throughout; cotyledons spoon-shaped"	Allophyllum
33	"Hairs < 0.3 mm, glandular, +- 1 type or length throughout; cotyledons linear"	Navarretia
34	"Corolla salverform, radial, or funnel-shaped, bilateral"	Ipomopsis
34	"Corolla bell- or funnel-shaped, +- radial"	35
35	"Hairs on basal leaves nonglandular, white cobwebby (at least in axils), or white and sharply bent, or translucent, then inflorescence glands long-stalked, diam < stalk (hair)"	Gilia
35	"Hairs on basal leaves minutely glandular, translucent; inflorescence glands subsessile, diam > stalk (hair)"	Saltugilia