Carvophvilaceae 13 
BD. Leaves mostly linear; styles 3: capsule opening by 3 or 6 teeth. 
SILENE (p. 153) 
DD. Leaves wider than linear; styles 5; capsule opening by 4 or 5 or 8 or 10 
teeth. LycHnis (p. 155) 
BB. Calyx with 5 veins; styles 2. SAPONARIA (p. 156) 
AA. Sepals distinct or nearly so; petals none or without claws. 
E. Stipules none. 
F. Capsule cylindric; petals always present. CERAST1UM (p. 157) 
FF. Capsule ovoid or oblong. 
G. Styles either fewer than the sepals, or else as many and opposite them. 
H. Petals none or entire or merely emarginate; leaves often sharp-pointed, 
either terete or angular or narrowly linear, or else petals present. 
STELLARIA (p. 156) 
HH. Petals none or deeply divided into 2 lobes; leaves never sharp-pointed, 
flat, broadly linear or wider. ARENARIA (p. 158) 
GG. Styles as many as the sepals and alternate with them: petals none or entire 
or emarginate. SAGINA (p. 157) 
EE. Stipules preseni, scarious. 
I. Leaves apparently in whorls: styles 5; petals always present. 
SPERGULA (p. 160) 
II. Leaves opposite; styles 3, rarely 5; petals sometimes none. TissaA (p. 160) 
AGROSTEMMA CORN COCKLE 
Annual, pubescent, often branching. Leaves sessile, linear or linear-lanceolate, acute 
cr acuminate. Flowers white or red (ours), erect, large, solitary at the ends of long 
axillary peduncles. Calyx oblong, not inflated, narrowed at the throat, 10-ribbed, 
5-lobed; lobes linear, elongated, foliaceous. Petals 5, shorter than the calyx-lobes: their 
blades obovate or cuneate, emarginate, not appendaged. Stamens 10. Styles 5, 
alternate with the calyx-lobes. Capsule I-celled. Seeds many, black. (Gk. agros—= 
field, stemma==a crown; on account of the beauty of the flowers.) W. E. 
A. githago L. 
SILENE CATCHFLY 
Annual or perennial. Leaves mostly linear. Flowers mostly pink or white, solitary 
or in panicled racemes or cymose clusters. Calyx more or less inflated, tubular or ovoid 
or campanulate, 5-toothed or -clefi, 10- tc many-veined, not bracted at base. Petals 
narrow, clawed. Stamens 10. Styles 3, rarely 4—5; ovary |-celled or incompletely 
Z—4-celled. Pod opening by 3 or 6 teeth. Seeds many, spiny or tubercled. (Gk. 
sialon=saliva; on account of the sticky substance on the stem of some species. 
A. Calyx with 15 or more veins. 
B. Leaves narrowly oblong to linear; calyx-veins 18—-23, obscure. W. 
S. multinervia Wats. 
BB. Leaves ovate-lanceolate; calyx-veins 15—20, prominent. W. E. (S. vul- 
garis. ) S. latifolia B. & R. (Bladder Catchfly) 
-AA. Calyx. with 510 veins. 
C. Plant 2.5——5 cm. high; leaves crowded so as to hide the stem, linear. W. C. E. 
S, acaulis L. (Moss Catchfly ) 
CC. Plant taller; leaves not crowded so as to hide the stem, various in width. 
D. Flowers 25 mm. or more wide. 

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