June, i913.] Caryophyllaceae of Ohio. i8i 



1. Lychnis coronaria (L) Desv. Mullein Pink. Perennial, 

 wooly white, quite tall. Lower leaves spatulate; upper leaves 

 oblong or lanceolate, sessile, acute or acuminate; flowers few in 

 temiinal panicles; petals crimson; calyx oblong-campanulate, its 

 teeth twisted and shorter than the tube. Cuyahoga, Portage, 

 Lake, Fairfield. 



2. Lychnis viscaria L. Viscid Lychnis. Plant erect. Lower 

 leaves spatulate; upper ones linear or linear-lanceolate; inflores- 

 cence in oppositely arranged clusters ; calyx club-shaped. Escaped 

 in Lake Count3\ 



o. Lychnis alba Mill. White Lychnis. Biennial and branched 

 with leaves ovate-oblong or ovate-lanceolate, acute; upper ones 

 sessile, the lower ones ha^dng petioles; flowers few, arranged in 

 loose panicles, white or pink, fragrant; calyx at first tubular, 

 becoming inflated by the ripening pod; sepals lanceolate, short; 

 petals obovate, 2-cleft, crowned. Lake, Meigs. 



4. Lychnis dioica L. Red Lychnis. Biennial. Basal leaves 

 with long petioles, oblong; stem leaves sessile or the lower short 

 petioled, ovate, acute; flowers red or nearly white, opening in the 

 morning, calyx at first tubular, in fruit nearly globular. Erie 

 Coiint}', Mosely Herbarium. 



Silene L. 



Herbs with pink, red or white flowers; calyx more or less 

 inflated, with 5 sepals, 10 to many nerved, not bracted at the base; 

 stamens 10; styles 3, rarely 4 or 5; petals 5, narrow, clawed, 

 variously cleft or rarely entire; flowers solitary or in tenninal 

 cymes. 



1. Leaves verticillate in fours. 5. stellala. 



1. Leaves opposite. 2. 



2. Flowers white or greenish. 3. 



2. Flowers scarlet to pink. 6. 



3. Calyx much inflated and bladdery, not with prominent ribs. 4. 



3. Calyx tubular, merely expanded by the ripening pod, prominently 



ribbed. 5. 



4. Inflorescence leafy bracted; flowers few. S. alba. 



4. Flowers numerous, in leafy cymes. 5. vulgaris. 



5. Flowers racemose, short-pedicelled, calyx ribs 5. 5. dicholoma. 



5. Flowers cymose, night-blooming; calyx ribs 10. 5'. noctiflora. 



6. More or less viscid-pubescent, perennial. 7. 

 (i. Glutinous at or below the nodes, annual. 10. 



7. Leaves broadly oval, the lower ones tapering into a long petiole; stems 



pubescent. S. rotundifolia. 



7. Leaves lanceolate or spatulate, the blades not rounded. 8. 



8. Leaves broadest below the middle, sessile; stems very rough. 5. regia 



8. Leaves, all except the uppermost, broadest above the middle, the 



lower ones tapering into a petiole. 9. 



9. Leaves broadly spatulate. 5. virginica. 



9. Leaves narrowly spatulate or oblanceolate. 5. caroliniana. 



10. Stems pubescent, leafy; calyx much inflated, many-ribbed. S. conica. 



10. Stems smooth. 11. 



11. Clayx club-shaped, many ribbed; leaves ovate-lanceolate. S. armeria. 

 11. Calyx ovoid; leaves linear. S. antirrhina. 



