WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 225 
KEY TO THE SPECIES. 
Perianth 10 mm. long or less, with scarcely any tube; leaves 
broadly ovate. ................. wee eee eee eee eee ee 1. S. chenopodioides. 
Flowers 15 mm. long or more, with a conspicuous tube; leaves 
ovate or lanceolate. 
Leaves lanceolate, thick and fleshy....................... 2. S. lanceolatus. 
Leaves ovate, not fleshy... .....2.22..2.00.0.0000202200- 3. S. diffusus. 
1. Selinocarpus chenopodioides A. Gray, Amer. Journ. Sci. IT. 15: 262. 1853. 
Type Locauity: ‘‘Valleys from Providence Creek to the Rio Grande,”’ Texas. 
Rance: Western Texas to southern Arizona and southward. 
New Mexico: Socorro; Albuquerque; above Rincon; Lordsburg; Mesilla Valley; 
mesa west of Organ Mountains; plains south of the White Sands; Alamogordo. Dry 
mesas and hills, in the Lower Sonoran Zone. 
2. Selinocarpus lanceolatus Wooton, Bull. Torrey Club 25: 304. 1898. 
Tyre Locauity: South of the White Sands, New Mexico. Type collected by 
Wooton (no. 389). 
Rance: New Mexico. 
New Mexico: El Rito; near Suwanee; White Sands. Strongly alkaline soil, 
plains, in the Lower Sonoran Zone. 
3. Selinocarpus diffusus A. Gray, Amer. Journ. Sci. II. 15: 262. 1853. 
Tyre Locauity: “Rocky hills and valleys from the Pecos to the Limpio,” Texas. 
Rance: Western Texas to New Mexico. . 
New Mexico: Acoma; Socorro; south of Carrizozo; Delaware Creek; Turneys Ranch, 
Dona Ana County. Dry hills, in the Lower Sonoran Zone. 
10. CYPHOMERIS Standley. 
Slender erect perennial herb, woody at the base; leaves thick and fleshy, glaucous, 
ovate or triangular, entire, petiolate; flowers in bracted racemes; perianth red, funnel- 
form, with a short narrow tube expanding gradually into a broad limb; fruit gibbous, 
glaucous, 10-ribbed. 
1. Cyphomeris gypsophiloides (Mart. & Gal.) Standley, Contr. U. 8. Nat. Herb. 
13: 428. 1911. 
Lindenia gypsophiloides Mart. & Gal. Bull. Acad. Sci. Brux. 10!: 358. 1843. 
Boerhaavia gibbosa Pavon; Choisy in DC. Prodr. 13: 457. 1849. 
Boerhaavia gypsophiloides Coulter, Contr. U. 8. Nat. Herb. 2: 354. 1894. 
Type Locatity: ‘‘ Dans les plaines 4 mimosées et 4 cactées de Tehuacan de las Gra- 
nadas, 4 environ 5,000 pieds,’’ Mexico. 
Rance: New Mexico and western Texas to Mexico. 
New Mexico: Organ Mountains; La Luz Canyon; Carlsbad. Rocky canyons, 
in the Upper Sonoran Zone. 
11. ACLEISANTHES A. Gray. 
Low perennial from a woody base; leaves opposite, thick and fleshy, petiolate, 
long-attenuate at the apex; flowers axillary or terminal, mostly solitary; involucre 
of 2 or 3 small bracts; perianth white, with a very long slender tube and a broad limb; 
stamens 2 to 5, unequal, often exserted; fruit narrowly ellipsoid, 5-angled or 5-ribbed. 
1. Acleisanthes longiflora A. Gray, Amer. Journ. Sci. II. 15: 261. 1853. 
Tyre Locauity: Valley of the Limpio, Texas. 
RanaeE: Western Texas to southeastern New Mexico, southern California, and south- 
ward. 
New Mexico: Delaware Creek; mouth of Dark Canyon, Guadalupe Mountains. 
Dry hills, in the Lower Sonoran Zone. 
52576°—15——-15 
