314 Polemoniaceae 
PP. Stem branched from base; flowers 5—-7 mm. long. C. E. (G; 
humilis glabella.) 
G. humilis Pip. 
OOO. Flowers 2—4 mm. long, various in color. 
Q. Upper leaves merely minute subulate bracts; lower leaves often 3-part- 
ed; stem 25—50 cm. high. E. (G. tweedyi.) 
G. minutiflora Benth. 
QQ. Upper leaves linear; lower leaves not parted; stem 10—30 cm. 
high. U. E. (GC. linearifolia.) 
G. tenerrima Gray 
NN. Leaves pinnately-parted or -dissected or -lobed, sometimes a few at the 
top entire. 
R. Leaves mostly in a basal rosette. 
S. Basal leaves dentate, not pubescent. E, 
G. leptomeria Gray 
SS. Basal leaves pinnatifid, pubescent. E. (G. inconspicua sinuata. ) 
G. inconspicua Dougl. 
RR. Leaves not in a basal rosette. 
T. Flowers not grouped into an inflorescence, solitary on long peduncles 
in the leaf-axils. E. 
G. micromeria Gray 
TT. Flowers in panicles or corymbs or heads or clusters. 
U. Flowers in elongated panicles; biennial; corolla-tube 2—2.5 cm. 
long. E. G. aggregata Spreng. (Scarlet Gilia) 
UU. Flowers in heads; annual or biennial; corolla-tube shorter. 
V. Calyx woolly; corolla 10—12 mm. long. W. 
G. achillaefolia Benth. 
VV. Calyx not woolly; glabrous; corolla 8—10 mm. long. W. E. 
G. capitata, Hook. 
NAVARRETIA NAVARRBETIA. 
Herbs, annual, low. Leaves alternate; |—2-pinnatifid or some entire. Flowers 
small, in head-like clusters; clusters leaf-bracted. Calyx-tube with five prominent great 
angles or veins, scarious between the angles; lobes unequal, erect or spreading, hard-tipped, ° 
entire or the larger ones spinulose-toothed or -cleft. Corolla tubular-funnelform to sal- 
verform; lobes rather small, oval or oblong. Stamens inserted in or below the corolla- 
throat. Seeds mostly mucilaginous, showing spiral threads when wet. (Honor of Na- 
varrete, a Spanish physician. ) 
A. Leaves |-pinnatifid or -incised, or many leaves entire. 
B. Stem not viscid, slender, 2.5—15 cm. high; leaves all slender and filiform ex- 
cept the bracts of the head. E. 
N. divaricata Gr. 
BB. Stem very viscid, stout, rigid, 15-18 cm. high; leaves of the stem mostly __ 
laciniate-pinnatifid. U. N. atractyloides H. & A. ; 
AA. Some of the leaves and bracts more than 1-pinnatifid or -incised. 
C. Plant with skunk-like odor, glandular-viscid. W. q 
H. squarrosa H. & A. (Skunk-weed) Qo 
CC. Plant without skunk-like odor, not glandular nor viscid (except 
D. Corolla yellow; plant somewhat glandular-viscid, U. F. 
N. breweri Gr. 
eweri)¢ q 

