WOOTOISr AND STANDLEY- — FLORA OF NEW MEXICO. 241 



2. VACCARIA Medic. Cowherb. 



A glabrous annual; flowers in corymbed cymes; calyx ovoid, 5-augled; stamens 10; 

 styles 2; petals pale red; leaves ovate-lanceolate, glabrous. 



1. Vaccaria vaccaria (L.) Britton in Britt. & Brown, Illustr. Fl. 2: 18. 1897. 

 Saponaria vaccaria L. Sp. PI. 409. 1753. 



Type locality: "Habitat inter segetes GalHae, Germaniae." 

 New Mexico: Ensenada; Pecos; Beulali; Cleveland. 



3. SILENE L. Catchply. 



Annual or perennial herbs; flowers solitary or in cymes; calyx 5-tootlied, 10 to many- 

 nerved; stamens 10; styles 3, rarely 4; capsule 1-celled, opening by 3 or 6 teeth; petals 

 usually with a scale at the base of the blade. 



KEY TO the species. 



Annuals. 



Stems not villous; calyx 4 to 6 mm. long; corolla pink 1. S. antirrhina. 



Stems densely villous; calyx 8 to 10 mm. long; corolla white. . . 7. S. noctijlora. 

 Perennials. 



Plantsnearly acaulescent, densely matted, less than 5 cm. high. . 2. S. acaulis. ' 

 Plants caulescent, not matted, 20 cm. high or more. 



Petals bright scarlet 3. S. laciniata. 



Petals white or purplish. 



Inflorescence axillary; plants very slender 6 . S. menziesii. 



Inflorescence thyrsoid-paniculate or spicate; plants 

 stout. 

 Leaves densely viscid, not reduced above; flowers 



almost sessile '. 4. 5. wrightii. 



Leaves not viscid or but slightly so, much reduced 



above; flowers conspicuously pediceled 5. S. pringlei. 



1. Silene antirrhina L. Sp. PI. 419. 1753. Sleepy catchfly. 

 Type locality: "Habitat in Virginia, Carolina." 



Range : Throughout temperate North America. 



New Mexico: Santa Fe; Las Vegas; Sandia Mountains; Hillsboro; Farmington; 

 SieiTa Grande; mountains west of San Antonio; Mogollon Mountains; Organ Moun- 

 tains; White Mountains. Dry fields, in the Upper Sonoran and Transition zones. 



2. Silene acaulis L. Sp. PI. ed. 2. 603. 1762. Moss campion. 

 Type locality: "Habitat in alpibus Lapponicis, Austriacis, Helveticis, Pyrenaeis." 

 Range: Arctic America to New Hampshire and Arizona; also in the Old World. 

 New Mexico: Pecos Baldy; Wheeler Peak. Meadows, in the Arctic-Alpine Zone. 



3. Silene laciniata Cav. Icon. PL 6: 44. pi. 564. 1301. 

 Silene greggii A. Gray, PI. Wright. 2: 17. 1853. 



Melandryum laciniatum greggii Rohrb. Monogr. Silen. 232. 1868. 



Melandryum greggii Rohrb. Linnaea 36: 256. 1869. 



Type locality: "Habitat in Pachuca, Real del monte et Acapulco," Mexico. 



Range: California to western Texas, southward into Mexico. 



New Mexico: Tunitcha Mountains; mountains west of Grant; Hop Canyon; Mogo- 

 llon Mountains; Hillsboro Peak; Florida Mountains; San Luis Mountains; Organ 

 Mountains; White and Sacramento mountains; Capitan Mountains. Damp woods, 

 in the Transition and Canadian zones. ^ 



52576°— 15 16 



