CAEYOPHYLLACEAE. 1 17 



2. SAPONABJA L. Annual or perennial herbs. Leaf -blades often broad. 

 Flowers pediceUed. Calyx narrow: tube terete. Petals 5: blades narrow. 

 Ovary elongate. Capsule-bodies cylindric or oblong, short-stipitate. 



1. S. officinalis L. Stems 3-9> dm. long, often decumbent: leaf -blades elliptic 

 to lanceolate, 3-11 cm. long: calyx 20-25 mm. long; lobes triangular to lanceo- 

 late: petal-blades cuneate ; 15-18 mm. long, entire, pink or white: capsule-bodies 

 12-20 mm. long. Common, in waste places and on roadsides. Nat. of Eu. 

 Spr. SOAPWORT. BOUNCING-BET. 



3. SILENE L. Annual or perennial herbs. Leaf-blades various, com- 

 monly narrow. Flowers mostly pedicelled. Calyx narrow or becoming inflated : 

 tube 10-many-nerved. Petals 5 : blades often toothed at the apex. Ovary 

 somewhat elongate. Capsule-body much longer than thick. CAMPION. 

 CATCHFLY. 



Annual or biennial plants. 



Foliage pubescent : stem viscid. 1. 8. noctiflora. 



Foliage glabrous, sometimes glutinous about the nodes of the 



stem. 



Inflorescence paniculate : mature calyx ovoid. 2. 8. antirrhina. 



Inflorescence corymbose : mature calyx clavate. 3. 8. Armeria. 



Perennial plants. 

 Calyx inflated. 



Leaves in whorls of 4's : petals laciniately cleft ; append- 

 ages wanting. 4. 8. stellata. 

 Leaves opposite : petals 2-cleft ; appendages present. 5. 8. alba. 

 Calyx merely filled with the capsule. 



Inflorescence not leafy-bracted : calyx ultimately globular. 6. 8. latifolia. 

 Inflorescence leafy-bracted : calyx ultimately long. 7. 8. caroliniana. 



1. S. noctiflora L. Stem 2-8 dm. tall, closely pubescent: leaf -blades spatulate 

 to elliptic, oblong, or lanceolate, 2-8 cm. long: calyx-tube prominently ribbed, 

 ultimately 12-15 mm. long: petal-blades 9-11 mm. long, white or nearly so: 

 capsules 15-20 mm. long. S. Eare, on roadsides, near Eawlinsville and 

 Pleasant Grove. Nat. of Eu. Sum. 



2. S. antirrhina L. Stem 2-8 dm. tall, with glutinous patches near the nodes: 

 leaf -blades linear to linear-oblong, or the lower ones elliptic, 2-8 cm. long: 

 calyx-tube 5.5-7.5 mm. long, ultimately ovoid or oval: petals white or pink; 

 blades cuneate to linear, 6-8 mm. long: capsules 6-8 mm. long, not stipitate. 

 Common, in waste places and cultivated grounds. Sum. SLEEPY- 



CATCHFLY. 



3. S. Armeria L. Stem 2-7 dm. tall, glaucous: leaf -blades spatulate to 

 oblong, lanceolate, or ovate, 2-9 cm. long: flower-clusters compact: calyx-tube 

 ultimately 15-19 mm. long, clavate; lobes ovate, very short: petals rose-pink 

 or white; blades cuneate to obovate, 5-8 mm. long: capsules long-stipitate, 

 the body 7-8 mm. long, oblong to cylindric. S. Eather rare, in fields. Nat. 

 of Eu. Sum. SWEET-WILLIAM CATCHFLY. 



4. S. stellata (L.) Ait. f. Stem 3-12 dm. tall, usually minutely pubescent: 

 leaf -blades ovate to lanceolate, 4-12 cm. long: calyx becoming 10-16 mm. 

 long; lobes about as long as the tube: petals white, 1.5-2 cm. long; blades 

 laciniate: capsule-body subglobose to ovoid-globose, 6-8 mm. long. Common, 

 in thickets and on wooded hillsides. Sum. STARRY-CAMPION. 



5. S. alba Muhl. Stem 3-8 dm. tall, sometimes minutely pubescent: leaf- 

 blades lanceolate to linear-lanceolate or slightly broadest above the middle, 

 4-15 mm. long: calyx becoming 14-16 mm. long: lobes about i as long as the 

 tube: petals white, 2-2.5 cm. long; blades cleft: capsule-body oblong to ovoid, 

 9-11 mm. long. S. Eare, on river shores and on islands. Schists. Spr. 

 and sum. 



