Jones: Flora of Illinois, 58. Caryophyllaceae 125 



leaved Sandwort .' A. serpyllijolia L. 



1 . Leaves linear-filif orm or subulate; valves of the capsule entire. 



3. Leaves rigid, subulate, evergreen, with others fascicled in the axils; plant 

 perennial, glabrous; capsule shorter than the sepals; dry wooded bluffs, 

 and on rocks, rare; n. 111. May-July. [/4. mkhauxii (Fenzl) Hook, f.] 

 A. stricta Michx. 



3. Leaves soft, linear-filiform; plant annual; pedicels glandular-puberulent; 

 capsule nearly equalling the sepals; wooded slopes along streams, rare. 

 May-June A . patula Michx. 



5. Agrostemma L. 



A. githago L. Com Cockle. An occasional weed in fields and waste ground; 

 seeds poisonous; adv. from Eur. May-July. 



6. SiLENE L. — Catchfly 

 1 . Leaves opposite, not whorled. 



2. Calyx ovoid or clavate, not becoming inflated in fruit or constricted at 

 the mouth. 

 3. Stem glabrous or nearly so, or the upper intemodes glutinous. 



4. Flowers 12-17 mm. in diameter, in flat-topped cymes; calyx clavate, 

 1-1.5 cm. long; leaves ovate-lanceolate; waste places, adv. from 

 Eur. June-July. Sweet William S. armeria L. 



4. Flowers 3-4 mm. in diameter, paniculate; calyx ovoid, 5-8 mm. long; 



upper leaves linear to lanceolate; roadsides and fields, not uncom- 

 mon. May-July. Sleepy Catchfly .S". antirrhina L. 



3. Stem puberulent. 



5. Calyx 12-25 mm. long. 



6. Petals white or pink; calyx 12-16 mm. long; roadsides and fields, 



adv. from Eur. June-July. Forked Catchfly 



S. dkhotoma Ehrh. 



6. Petals crimson or scarlet; calyx 15-25 mm. long. 



7. Leaves ovate-lanceolate; petals mostly undivided; roadsides and 

 prairies, s. 111., rare. July-Aug. Royal Catchfly S. regia Sims 



7. Leaves spatulate or oblanceolate; petals 2-cleft; woods. Apr.- 

 July. Firepink S. virginici L. 



5. Calyx 3-4 cm. long, its lobes linear-lanceolate, 4-8 mm. long; petals 

 white; cultivated ground or roadsides, adv. from Eur. June-July. 

 Night- flowering Catchfly S. noct'tflora L. 



2. Calyx strongly inflated in fruit, more or less constricted at the mouth. 

 8. Calyx campanulate or subglobosc, veiny; plants glaucous; flowers nu- 

 merous in loose terminal panicles; fields or roadsides, adv. from Eur. 

 May-July. [5'. inflata Sm.; S. vulgaris (Moench) Garcke; S. lati- 



folta (Mill.) Britten & Rendle.} Bladder Catchfly 



S. cucubalus Wibel 



