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. 
JONG. 2. eee cee ee eee eee eee eee eens 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. . 2.2.0.2... eee eee eee eee ee eee ee eee 7. A. saxosa. 
1. Arenaria eastwoodiae Rydb. Bull. Torrey Club 31: 406. 1904. 
Tyre LocaLity: Grand Junction, Colorado. 
RanGeE: 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. 
Typr Locality: Prairies 5 miles west of Las Vegas, New Mexico. Type collected 
by Fendler (no. 57). 
Rance: 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; 
White 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. 
Typs Locatity: Fremonts Pass, East Humboldt Mountains, Nevada. 
Rance: 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. 
RanGeE: Colorado to New Mexico and Arizona. 
New Mexico: Harveys Upper Ranch (Standley 4724). Mountains, in the Canadian 
Zone. 
5. Arenaria confusa Rydb. Bull. Torrey Club 28: 275. 1901. 
TypE LocaLity: White Mountains, New Mexico. 
Rance: 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. & Standl. Contr. U. 8. Nat. Herb. 16: 121. 1913. 
Type Locatiry: San Luis Mountains, New Mexico. Type collected by E. A. 
Mearns (no. 2216). 
Rance: Southwestern New Mexico, southeastern Arizona, and adjacent Mexico. 
New Mexico: San Luis Mountains. 
7. Arenaria saxosa A. Gray, Pl. Wright. 2: 18. 1853. 
Typr LocaLity: Stony hills at the Copper Mines, New Mexico. Type collected by 
Wright (no. 865). 
Rance: Southern New Mexico and Arizona. 
‘New Mexico: Mogollon Mountains; Santa Rita. 
