160 CARYOPHYLLACEAE 



Petals 2-cleft, with or without a lateral tooth on outer side of each segment. 

 Plants not cespitose. 



Stems few (1—4), arising from a taproot. 



Flowers in a verticillate spicate raceme; auricles not saccate. 



24. .S. Scouleri. 



Flowers in a narrow panicle; auricles somewhat saccate. 



25. S. scaposa. 



Stems many from the branching crown of taproot. 



Calyx cylindric, becoming constricted about the stipe below the 

 capsule. 



Plants densely glandular-pubescent; claws glabrous; seeds 

 papillate on the sides. 26. S. verecunda. 



Plants puberulent; claws villous at base; seeds tesellate on the 

 sides. 27. S. platyota. 



Calyx oblong to campanulate, not constricted about the stipe be- 

 low the capsule. 



Segments of the petal blades entire. 28. 6". Douglasii. 



Segments with a linear lateral tooth on the outer edge of each. 



29. 5". Macounii. 

 Plants cespitose. 



Capsule sessile, or nearly so; leaves somewhat fleshy. 



30. S. Grayi. 

 Capsule on a stipe 2-3 mm. long. 



Petals with lateral teeth present; appendages quadrate. 



31. S. Watsonii. 

 Petals without lateral teeth; appendages obtuse to retuse. 



32. S. Suksdorfii. 



1. Silene multinervia S. Wats. Many-nerved Catchfly. Fig. 1720. 



Silene multinervia S. Wats. Proc. Amer. Acad. 25: 126. 1890. 



Annual, pubescent throughout and somewhat viscid-glandular above, the stems erect, mostly 

 simple, 2-4 dm. high. Leaves narrowly oblong or linear, acute ; inflorescence cymose, with un- 

 equal branches ; calyx ovoid in fruit, contracted above, 10 mm. long, 18-23-ribbed ; petals small, 

 not exceeding the subulate calyx-teeth, purplish, unappendaged ; capsule narrowly ovoid. 



Open slopes and burns, Upper Sonoran and Transition Zones; California Coast Ranges, Marin County to 

 San Diego County, also Santa Cruz Island; sparingly introduced in western Washington and Oregon. Type 

 locality: Jamul, San Diego County, California. April. 



2. Silene latifolia (Mill.) Britten & Rendle. Bladder Campion. Fig. 1721. 



Cucubalus Behen L. Sp. PI. 414. 1753. Not Silene Behen L. 



Cucubalus latifolius Mill. Card. Diet. ed. 8. no. 2. 1768. 



Behen vulgaris Moench, Meth. 709. 1794. 



Silene Cucubalus Wibel, Prim. Fl. Werth. 241. 1799. 



Silene in flat a J. E. Smith, Fl. Brit. 2:292. 1800. 



Silene latifolia Britten & Rendle, List Brit. Seed-Plants 5. 1907. 



Perennial, glaucous and glabrous, or rarely slightly pubescent, the stems spreading or as- 

 cending, 2-4 dm. long. Leaves ovate to lanceolate, acute, uppermost reduced to bracts, sessile; 

 inflorescence a loose cymose panicle ; calyx campanulate, becoming inflated and globose, 15 mm. 

 high, 15-20-nerved, with connecting veinlets; petals white or pink, 2-cleft, with or without small 

 appendages. 



Sparingly introduced in the Pacific States from Washington to southern California. Native of Europe. June- 

 July. 



3. Silene antirrhina L. Sleepy or Snapdragon Catchfly. Fig. 1722. 



Silene antirrhina L. Sp. PI. 419. 1753. 



Silene dioica Cham. & Sch. Linnaea 1 : 38. 1826. 



Annual, glabrous except for a viscid belt near the middle of upper internodes, the stems 

 erect, simple or sparingly branched. Leaves 2-3 cm. long, oblong-lanceolate or linear, usually 

 acute; inflorescence paniculate; pedicels filiform, 10-35 mm. long; calyx 8 mm. long, bright 

 green, ovoid in fruit ; petals small, pink or white, emarginate or bifid ; ovary nearly sessile. 



Sandy or gravelly soils, Upper Sonoran and Transition Zones; British Columbia to southern California, and 

 widely distributed across the continent. Type locality: Virginia. May-Aug. 



4. Silene noctiflora L. Night-flowering Catchfly. Fig. 1723. 



Silene noctiflora L. Sp. PI. 419. 1753. 



Annual, viscid-pubescent, the stems erect, stout, simple or branching, 3-7 dm. high. Leaves 

 4-12 cm. long, the lower obovate to oblanceolate, obtuse, narrowed to a broad petiole, the upper 

 ovate-lanceolate, acute or acuminate, sessile ; inflorescence a loose, few-flowered, dichotomous 

 panicle ; calyx cylindric, 12-25 mm. long, conspicuously veined, expanded in fruit, the teeth 

 linear, acute ; petals white or pink, 2-cleft, appendages denticulate. 



Waste places and grainfields, introduced from Europe; sparingly established in Washington and Oregon on 

 both sides of the Cascades. June-Sept. 



5. Silene gallica L. Common Catchfly. Fig. 1724. 



Silene anglica L. Sp. PI. 416. 1753. 

 Silene gallica L. Sp. PI. 417. 1753. 



