314 MISC. PUBLICATION 42 3, U. S. DEPT. OF AGRICULTURE 



5. Silene hallii S. Wats., Amer. Acad. Arts and Sci. Proc. 21: 446. 



1886. 



Apache, Navajo, and Coconino Counties, 6,500 to 9,500 feet, pine 

 forests, August and September. Colorado, New Mexico, and northern 

 Arizona. 



Some of the Arizona specimens have a narrower calyx and are less 

 pubescent than most of those from Colorado, intergrading, apparently, 

 with S. pringlei. 



6. Silene pringlei S. Wats., Amer. Acad. Arts and Sci. Proc. 23: 269. 



1888. 

 Kaibab Plateau (Coconino County), Pinal eno Mountains (Graham 

 County), mountains of Pima County, 7,500 to 9,500 feet, August and 

 September. New Mexico, Arizona, and northern Alexico. 



7. Silene thurberi S. Wats., Amer. Acad. Arts and Sci. Proc. 10: 343. 



1875. 

 Cochise County, Swisshelm Mountains (Lemmon), Chiricahua 

 Mountains (Eggleston 11003, Kearney and Harrison 6196), 5,000 to 

 6,000 feet. Southeastern Arizona and northern Mexico. 



8. Silene menziesii Hook., Fl. Bor. Amer. 1: 90. 1830. 

 Betatakin, Navajo County, about 7,000 feet, on a "sandy flat" 



(WetheriU in 1935), Greenland Lake, Kaibab Plateau, about 9,000 

 feet (Collom in 1939). Canada to Missouri, northern New Mexico 

 and Arizona, and California. 



9. Silene rectiramea Robinson, Bot. Gaz. 28: 134. 1899. 



South rim of the Grand Canyon (Coconino County), 7,000 feet, 

 June, known only from the type collection (MacDougal 181). 



The nightflowering catchfly, Silene nocti flora L., a European species, was col- 

 lected at Flagstaff, Coconino County {Whiting 814), but there is no evidence that 

 it has become established in Arizona. It is annual, viscid-pubescent, and has 

 rather large, deeply cleft white petals. 



12. LYCHNIS. Campion 



Plant perennial, densely puberulent; stems erect, usually branched 

 only in the inflorescence; leaf blades narrow, oblanceolate to linear; 

 flowers few, in a cymose panicle; calyx gamopb3 7 llous, longitudinally 

 nerved; petals scarcely surpassing the calyx, with very narrow white 

 or purplish pink blades, these entire or nearly so; styles commonly 5. 



1. Lychnis drummondii (Hook.) S. Wats, in King, Geol. Expl. 40th 

 Par. 5: 37. 1871. 



Silene drummondii Hook., Fl. Bor. Amer. 1 : 89. 1830. 



Kaibab Plateau, Grand Canyon, San Francisco Peaks (Coconino 

 County) 7,000 to 11,500 feet, July. Manitoba to British Columbia, 

 south to New Alexico and northern Arizona. 



Plant similar in appearance to Silene hallii but with stricter, more 

 slender stems and narrower leaves. 



13. SAPONARIA. Soapwort 



Plants herbaceous, annual or perennial, glabrous or nearly so; leaves 

 sessile or nearly so, lanceolate to ovate; flowers in terminal compound 



