626 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
7. Agoseris glauca (Pursh) Steud. Nom. Bot. ed. 2. 1: 37. 1840. 
Troximon glaucum Nutt. Gen. Pl. 2: 128. 1818. 
Type Locaity: ‘‘On the banks of the Missouri.”’ 
RanaeE: Washington and Saskatchewan to Utah and northwestern New Mexico. 
New Mexico: Near Fort Defiance; Carrizo Mountains. Meadows in the mountains, 
Transition Zone. 
8. Agoseris parviflora (Nutt.) D. Dietr. Syn. Pl. 4: 1332. 1847. 
Troximon parviflorum Nutt. Trans. Amer, Phil. Soc. n. ser. '7: 434. 1841, 
Type Locauity: ‘On the plains of the Platte to the Rocky Mountains.”’ 
Range: Alberta and North Dakota to Colorado and New Mexico. 
New Mexico: Tunitcha Mountains; Sandia Mountains; Grosstedt Place. Mead- 
ows, in the Transition Zone, 
12. TARAXACUM Hall. DanpE Lion. 
Perennial acaulescent herbs with pinnatifid, toothed, or rarely entire leaves and 
large heads of yellow flowers terminating the naked hollow scapes; bracts of the 
involucre mostly equal, with a number of shorter calyculate outer ones; receptacle 
flat, naked; achenes oblong to fusiform, angled and nerved, spinulose at the summit, 
beaked; pappus copious, of unequal persistent slender bristles, 
KEY TO THE SPECIES. 
Outer bracts reflexed from the base; leaves deeply pinnatifid. 
Terminal segments of the leaves broadly triangular; achenes 
greenish brown.............000ceee cece eee ee eee ce cece 1. 7. taraxacum. 
6 2. T'. mexicanum. 
Outer bracts not reflexed from the base; leaves pinnatifid or den- 
ticulate. 
Outer bracts nearly as long as the inner, reflexed above the 
middle; leaves denticulate, yellowish green............ 3. 7. dumetorum. 
Outer bracts less than half as long as the inner, usually ap- 
pressed; leaves pinnatifid, bright green................ 4. 7. montanum. 
1, Taraxacum taraxacum (L.) Karst. Deutsch. Fl. 1138, 1880-83. 
Leontodon taraxacum L. Sp. Pl. 798. 1753. 
Taraxacum officinale Web. Prim. Fl. Hols. 56. 1780. 
TyPE LocALity: European. 
Rana@e: Nearly throughout the United States, in some places introduced from 
Europe, in others apparently native, 
New Mexico: Santa Fe; Las Vegas; Farmington; Chama; Raton. Open fields and 
waste ground. 
2. Taraxacum mexicanum DC. Prodr. 7: 146. 1838. 
TyPE Locauity: Near the City of Mexico. 
RanaeE: Colorado to Mexico. 
New Mexico: Chama; Nutritas Creek; Tierra Amarilla, Mountains, in the Tran- 
sition Zone. 
3. Taraxacum dumetorum Greene, Pittonia 4: 230. 1901. 
Taraxacum oblanceolatum Rydb. Colo. Agr. Exp. Sta. Bull. 100: 410. 1906. 
Tyre Locauiry: Dale Creek, Wyoming. 
Range: Alberta to Colorado and northern New Mexico. 
New Mexico: Upper Pecos River; top of Las Vegas Range. High mountains, in 
the Arctic-Alpine Zone. 
