CARYOPHYLLACEAE. 133 



Perennials. 



Calyx not much inflated. 



Plant caulescent, rather tall, not densely matted. 



Inflorescence thyroid-paniculate, racemiform or spicate, not leafy ; flowers 



over i cm. long. 

 Claws and auricles of the petals narrow ; the latter laciniate ; leaves linear 



or linear-lanceolate. 5. 5". Scouleri. 



Claws and auricles of the petals broad ; the latter ciliate ; leaves ob- 



lanceolate. 6. 5. Hallii. 



Inflorescence leafy ; the flowers borne in the axils of the branches, less than 



i cm. long. 

 Leaves broadly oblanceolate, spreading ; branches of the inflorescence 



divaricate. 7. S. Menziesii. 



Leaves narrowly oblanceolate, ascending; branches of the inflorescence 



usually ascending or erect. 8. 5*. stellarioides. 



Plant subacaulescent, densely cespitose, dwarf. 9. S. acaulis. 

 Calyx much inflated and bladdery. 10. 5\ vulgaris. 



1. Silene antirrhina L. In waste places from Newf. to B. C, Fla. and 

 Calif. Alt. 5000-6500 ft. Palmer Lake; northwest of Soldier Canon. 



2. Silene antirrhina depauperata Rydb. In sandy soil from Sask. to B. C., 

 Colo, and Ariz. Exact locality not given. 



3. Silene antirrhina vaccariifolia Rydb. On hillsides from Mont, and Ida. 

 to Colo. Alt. 5000-7000 ft. Larimer Co. ; Rist Canon ; near Golden. 



4. Silene noctiflora L. In waste places and fields from N. S. to Man., Fla. 

 and Utah. Naturalized from Europe. Alt. about 5000 ft. Ft. Collins. 



5. Silene Scouleri Hook. In the mountain valleys and hillsides from Ida. 

 to B. C., Colo, and Ore. Alt. up to 9000 ft. Near Pagosa Peak. 



6. Silene Hallii S. Wats. In the mountains of Colo, and N. M. Alt. 6000- 

 12,000 ft. Jack's Cabin, Gunnison watershed; foot-hills, Larimer Co.; 

 Ruxton Dell; Villa Grove; Cheyenne Canon; Mancos; Upper La Plata 

 Canon; headwaters of Clear Creek; Gray's Peak; Bosworth's ranch; Stove 

 Prairie; Mt. Harvard. 



7. Silene Menziesii Hook. In wet soil, especially among bushes, from 

 Mont, to B. C., Neb., Colo, and Calif. Alt. 7000-10,500 ft Ouray; Bob 

 Creek; headwaters of Clear Creek; Graymont; Gore Pass; North Park; 

 Hotchkiss; Dolores. 



8. Silene stellarioides Nutt. Among bushes from Mont, to Wash, and 

 Colo. Alt. 7000-9000 ft. Gunnison ; Leroux Creek, Delta Co. ; Middle Park ; 

 Mancos; Los Pinos; Sangre de Cristo Creek. 



9. Silene acaulis L. On exposed mountain tops, often near the snow, from 

 Greenl. to Alaska, N. H. and Ariz. Alt. 9000-13,000 ft. Saddle, Pike's Peak; 

 West Spanish Peak; Mt. Hesperus and Little Kate Basin; near Pagosa Peak; 

 Mt. Harvard; Boreas; Gray's Peak; Cameron Pass; Marshall Pass; Massif 

 de 1'Arapahoe; Crystal Lake; Beaver Creek; Leroux Creek; Ethel Peak. 



10. Silene vulgaris (Moench) Garcke. (S. inftata J. E. Smith.) Intro- 

 duced from Europe, in meadows and waste places, from N. B. and Ills, to 

 N. J. and Colo. Manitou. 



2. LYCHNIS L. 



Tall, 3 dm. high or more, several to many-flowered. 



Petals included. ^ L. Drummondii. 



Petals exserted. 2 . L. striata. 



Low, about i dm. high ; flowers 1-3. 3. L. montana. 



