WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 433 
Lobes of the leaves more numerous, 4 to many on each 
side, the leaves never entire; plants not cespi- 
tose. 
Plants stout, widely spreading; flowers of medium 
size for the genus, numerous................ 4, N. multiflora. 
Plants tall and slender, not spreading; flowers 
small for the genus, few.................. 5. N. procera. 
Leaves sinuate-dentate, not pinnatifid. 
Flowers very large, petals about 6 cm. long; filaments not di- 
lated .....22-...ee eee eee eee eee cece ec eee e ence eee eeneee 6. N. decapetala. 
Flowers small, petals 2 to 3 cm. long; outer filaments usually 
dilated. 
Cauline leaves all sessile, not cuneate at the base. 
Petals 2 cm. long; flowers crowded at the top of the 
stem; leaves large, 5 to 10 cm. long, long-acumi- 
1 7. N. rusbyi. 
Petals about 3 cm. long; flowers mostly solitary; cauline 
leaves short and small, acute................... 8. N. strictissima 
Cauline leaves, at least the lower ones, cuneate at the base 
or tapering into a petiole. 
Flowers bright yellow....--..........-...- weeeeeeee 9. N. speciosa. 
Flowers pale yellow. 
Involucral bracts narrow, entire.................10. N. nuda. 
Involucral bracts laciniately lobed, one sepal oc- 
casionally 80...........2----022- eee ee eee 11. N. stricta. 
1. Nuttallia gypsea Woot. & Standl. Contr. U. 8. Nat. Herb. 16: 149. 1913. 
TYPE LOCALITY: On pure gypsum, near Lakewood, New Mexico. Type collected 
by Wooton, August 6, 1909. . 
Rance: Southeastern New Mexico. 
New Mexico: Near Lakewood; 35 miles south of Torrance; Roswell. Gypsum soil. 
2. Nuttallia laciniata (Rydb.) Woot. & Standl. Contr. U. S. Nat. Herb. 16: 150. 
1913. 
Touterea laciniata Rydb. Bull. Torrey Club 31: 565. 1904. 
TYPE Locality: Pagosa Springs, Colorado. 
RanGE: Southwestern Colorado, western New Mexico, and probably Utah and Ari- 
zona. 
New Mexico: Gallup; McCarthy Station; above Chamita; Zuni. Upper Sonoran 
and Transition zones. 
3. Nuttallia perennis (Wooton) Cockerell, Trans. Amer. Ent. Soc. 32: 300. 1906, 
Mentzelia perennis Wooton, Bull. Torrey Club 25: 260. 1898. 
Hesperaster perennis Cockerell, Torreya 1: 143. 1901. 
Touterea perennis Rydb. Bull. Torrey Club 30: 277. 1903. 
TyPeE Locatity: In gypseous soil at Round Mountain, half way between Tularosa 
and the Mescalero Agency, White Mountains, New Mexico. Type collected by 
Wooton (no. 184). 
Rance: Known only from the type locality, in the Upper Sonoran Zone. 
4. Nuttallia multiflora (Nutt.) Greene, Leaflets 1: 210. 1906. 
Bartonia multiflora Nutt. Journ. Acad. Phila. IT. 1: 180. 1848. 
Mentzelia multiflora A. Gray, Mem. Amer. Acad. n. ser. 4: 48. 1849. 
Touterea multiflora Rydb. Bull. Torrey Club 30: 277. 1903. 
TypPE Locauity: Sandy hills along the borders of the Rio del Norte, Santa Fe, 
New Mexico. Type collected by Gambel, 
52576°-—15——-28 
