WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 235 
New Mexico: La Cuesta; Kingston; Mogollon Mountains; Organ Mountains; 
White Mountains; Gray. Moist canyons, Upper Sonoran and Transition zones. 
2. Drymaria pachyphylla Woot. & Standl. Contr. U. 8. Nat. Herb. 16: 121. 1913. 
Type Locauity: Dry plains south of the White Sands, New Mexico. Type collected 
by Wooton (no. 405). 
Ranae: Southern New Mexico and western Texas. 
New Mexico: South of the White Sands; Parkers Well. Dry plains, in the Lower 
Sonoran Zone. 
3. Drymaria sperguloides A. Gray, Mem. Amer. Acad. n. ser. 4: 11. 1849. 
Type Locauity: ‘‘ Valley of Santa Fe Creek in the mountains, in a plain grazed 
by cattle and horses,’? New Mexico. Type collected by Fendler (no. 55). 
RaNnGE: New Mexico and Arizona to western Texas. 
New Mexico: Santa Fe; Mogollon Mountains; Santa Rita; Sandia Mountains; 
Animas Valley; San Luis Mountains; White Mountains. Open slopes, in the Upper 
Sonoran and Transition zones. 
4. Drymaria tenella A. Gray, Mem. Amer. Acad. n. ser. 4: 12. 1849. 
Type Locauity: ‘‘Shady places, in woodland in the mountain region, 8 miles 
west of Las Vegas,’? New Mexico. Type collected by Fendler (no. 56). 
Rance: New Mexico, southward into Mexico. 
New Mexico: Las Vegas; Mogollon Mountains; Sawyers Peak. Transition Zone. 
5. Drymaria depressa Greene, Leaflets 1: 153. 1905. 
Tyre LocaLity: Sawyers Peak, Black Range, New Mexico. Type collected by 
Metcalfe (no. 1430). 
RanGE: Known only from the type locality. 
2. TISSA Adans, Sand spurry. 
Branched annual with fleshy linear scarious-stipulate leaves; styles and capsule 
valves each 3. 
1. Tissa rubra (L.) Britton, Bull. Torrey Club 16: 127. 1899. 
Arenaria rubra L. Sp. Pl. 423. 1753. 
TyPE LOCALITY: European. 
Rance: Adventive from Eurasia in many parts of the United States. 
New Mexico: Albuquerque (Herrick). 
8. ALSINE L. Srarwort. 
Slender low annuals or perennials; flowers solitary or cymose; sepals 4 or 5; petals 
white, 4 or 5, deeply cleft, sometimes wanting; stamens 8 or 10 or fewer; styles 3, rarely 
4 or 5; capsule ovoid, 1-celled, opening by twice as many valves as there are styles. 
KEY TO THE SPECIES, 
Leaves ovate, conspicuously petioled, 
Leaves cordate or subcordate, all long-petioled..............- 1. A. cuspidata. 
Leaves rounded or narrowed at the base, the uppermost sessile.. 2, A. media, 
Leaves linear to narrowly lanceolate, sessile. 
Plants more or less Viscid..... 2.20.0... e ec eee eee e ee eeee 3. A. jamesiana, 
Plants not at all viscid. 
Petals minute or none; branches of the inflorescence re- 
flexed......-.-2-.0- 0222 eee eee eee eee eee eee eee 4, A. baicalensis. 
Petals equaling or exceeding the sepals; branches of the 
inflorescence ascending. 
Leaves broadest above the middle, narrowed at the 
DAS... eee eee eee eee eee eee ee eect eens 5. A. longifolia. 
