CHICKWEED FAMILY 165 



into linear entire segments, appendages unevenly lobed ; stamens and style long-exserted ; capsule 

 ovoid-globose. 



Open coniferous forests, Arid Transition Zone; western slopes of the Sierra Nevada, California. Type 

 locality: Yosemite Valley, California. June-July. 



16. Silene pectinata S. Wats. Carson Campion. Fig. 1735. 



Silene pectinata S. Wats. Proc. Amer. Acad. 10: 344. 1875. 



Perennial, very glandular-pubescent, the stems erect, 6-8 dm. high, one or several from the 

 crown of a taproot. Leaves mostly basal, 8-18 cm. long, lanceolate to oblanceolate, acute or 

 acuminate, narrowed to a long winged petiole, the upper leaves remote, reduced and sessile; 

 flowers in a narrow, few-flowered panicle, erect; calyx cylindric, becoming ovoid in fruit, 15-18 

 mm. long, the teeth narrowly lanceolate, one-half the length of the tube ; petals deep red or purple, 

 the blades cuneate, 2-cleft with a broad sinus, the segments rounded, appendages narrowly lanceo- 

 late, 2-toothed or entire ; capsule ovoid, sessile or nearly so. 



Dry mountain slopes and valleys, Arid Transition Zone; southeastern Oregon south, east of the Cascade- 

 Sierra Nevada Divide, to Mono County, California, and western Nevada. Type locality: near Carson City, 

 Nevada. June-Aug. 



17. Silene aperta Greene. Naked Campion. Fig. 1736. 



Silene aperta Greene, Leaflets Bot. Obs. 1 : 75. 1904. 



Perennial, puberulent, the stems very slender, 2-3 dm. high, one to several arising from the 



crown of a taproot. Leaves mostly basal, narrowly linear or linear-subulate, 3-8 cm. long, those 



of the stem of only 1 or 2 pairs ; flowers terminal and solitary or racemose with 1 or 2 flowers at 



each of the upper two or three nodes ; calyx-tube campanulate, 3-5 mm. long, the teeth equaling 



or exceeding the tube, lanceolate, scarious-margined ; petals nearly twice the length of the calyx, 



white or tinged with purple, shallowly 4-lobed, the claws broad and hairy-tomentulose, appendages 



and auricles none ; capsule oblong, exceeding the calyx. 



Open coniferous forests, Arid Transition and Canadian Zones; southern Sierra Nevada, California. Type 

 locality: Hockett Meadows, altitude 8,600 feet, Tulare County, California. July- Aug. 



18. Silene occidentalis S. Wats. Western Campion. Fig. 1737. 



Silene occidentalis S. Wats. Proc. Amer. Acad. 10: 343. 1875. 



Perennial, glandular-pubescent and somewhat tomentulose below, the stems erect, stout, 3-6 



dm. high, arising from the crown of a stout taproot. Lower leaves 5-8 cm. long, oblanceolate, 



acute, narrowed to a margined petiole, the upper reduced, linear or lanceolate, sessile ; inflorescence 



a loose panicle; calyx narrowly cylindric, 15-25 mm. long, the teeth 2-3 mm. long, obtuse; petals 



nearly twice as long as the calyx, white or tinged with purple, 4-cleft into narrowly linear, entire 



segments, appendages linear, nearly entire, auricles none; capsule oblong, stipitate. 



Open pine forests, Arid Transition Zone; Sierra Nevada, from Modoc County to Tulare County, California. 

 Type locality : Sierra County. June-July. 



Silene occidentalis var. nancta Jepson, Fl. Calif. 507. 1914. Petals cut into 2 divergent lobes, with 1 small 

 lateral tooth, appendages lanceolate, elongated, entire. Known only from the original collection in Hockett 

 Meadows, Sierra Nevada, Tulare County, California. 



19. Silene bernardina S. Wats. Palmer's Campion. Fig. 1738. 



Silene bernardina S. Wats. Proc. Amer. Acad. 24: 82. 1889. 



Perennial, finely glandular-pubescent throughout, the stems several, arising from slender 



rootstocks derived from a taproot, erect, 1 . 5-4 dm. high, slender. Leaves mostly basal, narrowly 



linear-oblanceolate, 2.5-5 cm. long; flowers few, 1-4, on slender pedicels; calyx cylindric, 15 mm. 



long, the teeth broadly lanceolate, acute, scarious-margined ; petals white, well exserted, 2-cleft 



with the divergent lobes again cleft to the middle, the claws hairy toward the base, appendages 



elongated, cleft nearly to the base into two narrow segments, these linear or redivided ; stamens 



included ; capsule oblong, short-stipitate. 



Open coniferous forests, Arid Transition Zone; southern Sierra Nevada, California. Type locality: on shady 

 slopes, Long Meadow, Tulare County, California. June-Aug. 



20. Silene oregana S. Wats. Oregon Campion. Fig. 1739. 



Silene oregana S. Wats. Proc. Amer. Acad. 10: 343. 1875. 



Perennial, finely pubescent and viscid, the stems erect, 2.5-4 dm. high, one to several from a 

 branching rootstock. Leaves oblanceolate to lanceolate, acute, 3-7 cm. long, the lower narrowed 

 to an elongated margined petiole, the upper sessile and reduced ; inflorescence a narrow many- 

 flowered raceme or panicle; calyx oblong-cylindric, scarious between the green nerves, 12-15 mm. 

 long, the teeth 3 mm. long, acute ; petals white, 4-cleft, the two inner segments broad and again 

 cleft, the two outer narrower and entire, the claws glabrous, appendages 2-cleft nearly to the 

 base into linear segments, auricles narrow ; capsule oblong, its stipe 4 mm. long. 



Coniferous forests, Boreal Zones; Mount Adams, Washington, the Gearhart and Blue Mountains, Oregon, 

 and the Warner Mountains, California, east to Idaho and Montana. Type locality: Blue Mountains, Oregon. 

 July-Sept. 



21. Silene montana S. Wats. Mountain Campion. Fig. 1740. 



Silene montana S. Wats. Proc. Amer. Acad. 10: 343. 1875. 

 Silene Shockleyi S. Wats. Proc. Amer. Acad. 25: 127. 1890. 



