264 Onagraceae 
RR. Leaves ovate-lanceolate or narrower; seed papillate. 
S. Leaves petioled, obtuse, ovate-lanceolate, 5—-7.5 cm. long, erect. W. 
C. E. (E. delicatum for our region; E. delicatulum tenue.) 
E. delicatulum Trel. 
SS. Leaves sessile, acute, lanceolate to linear-lanceolate, 2.5—4 cm. long, 
spreading. C. E. E, drummondii Haus. 
BOISDUVALIA 
Annual, erect; stems leafy. Leaves alternate, sessile. Flowers small, in spikes; 
spikes leafy, simple or compound. Calyx-tube funnelform, deciduous; calyx-lobes erect. 
Petals 4, sessile, 2-lobed, white to purple. Stamens 8, those opposite the petals shorter. 
Ovary 4-celled; cells several-ovuled; stigma lobes short. Capsule membranous, ovate- 
oblong to linear, nearly terete, sessile, acute, dehiscent to base. Seeds ovate-oblong, 
smooth. (Honor of J. H. Bois Duval, a French naturalist.) 
A. Upper leaves much wider than the lower ones; partitions of the capsule wholly ad- 
hering to the placenta in dehiscence; flowers often in numerous lateral spikelets. W. E. 
(B. douglasii; B. densiflora pallescens.) 
B. densiflora Wats. 
AA. Upper leaves not wider than the lower ones: partition of the capsule adhering to 
the valves in dehiscence; flowers in simple terminal spikes or solitary in the leaf-axiis. 
B. Leaves narrowly lanceolate, pubescent; capsule linear-acuminate, 812 mm. long, 
its cells 6—8-seeded. W.E. (Apparently B. parviflora; B. torreyi. ) 
B. strictum Gr. 
2 
BB. Leaves ovate-lanceolate, often glabrous; capsule ovate-oblong, 4—8 mm. long, 
its cells 4—6-seeded. E. B. glabella Walp. 
CLARKIA 
Annual, erect; stems brittle. Leaves alternate, entire (ours). Flowers showy, in 
terminal racemes. Calyx-tube obconic, deciduous; calyx-limb 4-cleft, reflexed. Petals 
4, with claws, lobed or entire, purple or violet. Stamens 8, those opposite the petals often 
sterile or rudimentary. Ovary 4-celled; stigma 4-lobed. Capsule linear, attenuate above, 
coriaceous, erect, somewhat 4-angled, 4-celled and 4-valved to the middle. Seeds many. 
(Honor of W. Clarke, of the Lewis and Clarke expedition. ) 
A. Petals 3-lobed; their claws long; alternate stamens rudimentary; capsule 8-angled; 
pedicel 4—6 mm. long. E. C. pulchella Pursh 
AA. Petals not lobed, entire; their claws short, wide: all stamens pollen-bearing; cap- 
sule 4-angled; pedicel 1—3 mm. long. C. E. (Phaecostoma rhomboidea. ) 
C. rhomboidea Doug. 
GODETIA FAREWELL-TO-SPRING 
Annual; stems erect, simple or branched. Leaves alternate. Flowers showy, in 
racemes or spikes. Calyx-tube obconic ‘or shortly funnelform, deciduous. Petals 4, 
wide, sessile, entire to 2-lobed, rose-color or lilac-purple. Stamens 8, unequal, the shorter 
ones opposite the petals. Ovary 4-celled, many-ovuled; style filiform; stigma-lobes short, 
linear or roundish. Capsule ovate to linear, 4-sided, somewhat coriaceous, loculicidal. 
Seeds many. (Honor of M. Godet, a Swiss botanist. ) 
A. Flowers in a narrow compact spike, erect in the bud; capsule ovate to oblong; seeds 
in | or 2 rows; leaves close together. 

