Polemoniaceae Bil: 
DD. Corolla white or blue; plant not glandular-viscid. 
E. Corolla pale blue; leaf-divisions all spinose. U. 
N. stricta How. 
EE. Corolla white. 
F. Stem glabrous or glabrate except at the very top; ovules |—3 in each 
cell. 
G. Plant 2.5—7.5 cm. high; bracts of the head with spinose lobes. C. 
(N. suksdorfit.) 
N. minima Gray 
GG. Plant 10—25 cm. high; bracts of the head with barely sharp- 
pointed lobes. U. 
N. leucocephala Benth. 
FF. Stem puberulent or pubescent. 
H. Ovules 3—4 in each cell; stem pubescent; calyx-tube and base of 
bracts very hairy. E. 
N. intertexta Hook. 
HH. Ovule | in each cell; stem puberulent; calyx-tube and bracts sparsely 
hairy. E. N. klickitatensis Suks. 
COLLOMIA COLLOMIA 
Herbs. Leaves alternate, entire to dissected, pinnately or palmately veined. Flowers 
white or yellow or. purple, in head-like clusters or in cymes or solitary in the axils and 
scattered. Calyx obpyramidal, scarious in the sinuses, not distended nor ruptured by the 
maturing capsules; lobes erect, entire; sinuses often enlarged and with revolute lobes. 
Corolla tubular-funnelform or salverform. Stamens unequally inserted in the corolla- 
tube. Seeds both mucilaginous and with spiral threads when wet. (Gk. kolla—glue; 
referring to the glutinous seeds when wet.) 






A. Leaves or at least the lower ones more or less dissected. 
B. Calyx-lobes triangular- to ovate-lanceolate. 
C.* Leaves pinnately veined; annual. W. C. 
C. heterophylla Hook. 
CC. Leaves palmately veined; perennial. C. 
; C. debilis Gr. 
BB. Calyx-lobes subulate; perennial. 
D. Stems loosely branching, often more than one from the same root; infloresence 
loose. U. C. glutinosa Benth. 
DD. Stems usually simple but mostly several from the same root; inflorescence © 
dense, head-like. C. C. mazama Cov. 
AA. Leaves entire or at most merely serrate. 
E. Flowers solitary in the axils. E. 
C. tenella Gray 
EE. Flowers in clusters. 
F. Corolla pink, | cm. long. . 
G. Calyx-lobes aristate; flowers few in a cluster. C. E. (C. tinctoria.) 
C. aristella Rydb. 
GG. Calyx-lobes acute; flowers many in a cluster. E. (C. linearis subulata.) 
| C. linearis Nutt. 
FF. Corolla salmon-colored, 2—3 cm. long. W.C. E. (C. grandiflora dif- 
fusa; C. grandiflora axillaris. ) . 
C. grandiflora Dousl. 
