WOOTON AND STANDLEY FLORA OF NEW MEXICO. 239 



Leaves neither narrowly linear nor pungent. 



Pedicels divergent; sepals about 3.5 mm. long. 



Plants low and spreading, the stems less than 10 cm. long; 

 leaves ovate or ovate- lanceolate, less than 1 cm. 



long 4. A. polycaulos. 



Plants tall, the stems 20 to 30 cm. long; leaves oblong or 



linear-oblong, over 1 cm. long 5. A. confusa. 



Pedicels ascending; sepals about 5 mm. long. 



Pedicels several times as long as the calyx; stems about 



15 cm. long, much branched; leaves glabrous 6. A. mearnsii. 



Pedicels about equaling the calyx; stems low, usually less 

 than 10 cm. long, depressed; leaves cinereous- 

 puberulent 7. A. saxosa. 



1. Arenaria eastwoodiae Rydb. Bull. Torrey Club 31: 406. 1904. 

 Type locality: Grand Junction, Colorado. 



R.\nge: Southwestern Colorado to northeastern Arizona and northwestern New 

 Mexico. 



New Mexico: Carrizo Mountains; Cedar Hill. Dry hills, in the Upper Sonoran 

 Zone. ^ 



2. Arenaria fendleri A. Gray, Mem. Amer. Acad. n. ser. 4: 13. 1849. 



Type locality: Prairies 5 miles west of Las Vegas, New Mexico. Type collected 

 by Fendler (no. 57). 



Range: Wyoming to Arizona and New Mexico. 



New Mexico: Santa Fe and Las Vegas Mountains; Raton; Sierra Grande; Jemez 

 Mountains; Johnsons Mesa; Mogollon Mountains; Hillsboro Peak; Organ Mountains; 

 \\Tiit0 Mountains. Meadows, in the Transition and Canadian zones. 



3. Arenaria aculeata S. Wats, in King, Geol. Expl. 40th Par. 5: 40. 1871. 

 Arenaria congesta aculeata Jones, Proc. Calif. Acad. II. 5: 626. 1895. 

 Type locality: Fremonts Pass, East Humboldt Mountains, Nevada. 

 Range: Oregon to Nevada, Utah, and northwestern New Mexico. 



New Mexico: Western San Juan County. Sandy soil, in the Upper Sonoran Zone. 



4. Arenaria polycaulos Rydb. Bull. Torrey Club 31: 406. 1904. 

 Type locality: Silverton, Colorado. 



Range: Colorado to New Mexico and Arizona. 



New Mexico: Harveys Upper Ranch (Standley 47 24). Mountains, in the Canadian 

 Zone. 



5. Arenaria confusa Rydb. Bull. Torrey Club 28: 275. 1901. 

 Type locality :*\\Tiite Mountains, New Mexico. 



Range: Colorado to New Mexico and Arizona. 



New Mexico: Common in all the higher mountains. Damp woods, in the Tran- 

 sition and Canadian zones. 



6. Arenaria mearnsii Woot. & Standi. Contr. U. S. Nat. Herb. 16: 121.1913. 

 Type locality': San Luis Mountains, New Mexico. Type collected by E. A. 



Mearns (no. 2216). 

 Range: Southwestern New Mexico, southeastern Arizona, and adjacent Mexico. 

 New Mexico: San Luis Moimtains. 



7. Arenaria saxosa A. Gray, PL Wright. 2: 18. 1853. 



Type locality: Stony hills at the Copper Mines, New Mexico. Type collected by 

 Wright (no. 865). 



Range: Southern New Mexico and Arizona. 

 New Mexico: Mogollon Mcimtains; Santa Rita. 



