WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 711 
4. Helianthus grosseserratus Martens, Sel. Sem. Hort. Loven. 1839. 
TypE LocaLity: St. Louis, Missouri. 
Rance: New York and Wyoming to Pennsylvania, Texas, and New Mexico. 
New Mexico: Ensenada; White Mountains. Plains and low hills, in the Upper 
Sonoran Zone. 
5. Helianthus fascicularis Greene, Pl. Baker. 3: 28. 1901. 
Helianthus giganteus utahensis D. C. Eaton, in King, Geol. Expl. 40th Par. 5: 169. 
1871. 
Helianthus utahensis A. Nels. Bull. Torrey Club 29: 405. 1902. 
TYPE LOCALITY: Cimarron, Colorado. 
Ranae: British America to Colorado and New Mexico. 
New Mexico: Pecos; Kingston; Middle Fork of the Gila; Dulce. Mountain valleys, 
in the Transition Zone. 
6. Helianthus annuus L. Sp. Pl. 904. 1753. COMMON SUNFLOWER. 
Helianthus lenticularis Doug]. in Edwards’s Bot. Reg. 15: pl. 1225. 1829. 
TypE Locauity: ‘In Peru, Mexico.”’ 
Rance: British America to California and Texas and southward. 
New Mexico: Farmington; Tunitcha Mountains; Carrizo Mountains; Dulce; Win- 
sors Ranch; Pecos; Raton; Zuni; Espanola; Cleveland; Fort Bayard; Mangas Springs; 
Mesilla Valley; Tularosa; Gilmores Ranch; Gray; Carrizozo. Plains and cultivated 
ground, from the Lower Sonoran to the Transition Zone. 
One of our commonest weeds in cultivated ground. 
7. Helianthus aridus Rydb. Bull. Torrey Club 32: 127. 1895. 
TypE LocaLiry: Great Falls, Montana. 
Rance: Montana and Nebraska to New Mexico. 
New Mexico: Pajarito Park; Pecos; north of El Vado; mountains southeast of Pat- 
terson; Upper Negrito Creek. In dry soil, in the Upper Sonoran Zone. 
8. Helianthus petiolaris Nutt. Journ. Acad. Phila. 2: 115. 1821. 
Type Locauity: ‘On the sandy shores of the Arkansas,”’ 
Rance: Oregon and Saskatchewan to Arizona and Texas. 
New Mexico: Shiprock; Farmington; Carrizo Mountains; Gallup; Nara Visa; Cliff; 
Mangas Springs; Pecos; Roswell. Plains and dry hills, in the Lower and Upper 
Sonoran Zones, 
9. Helianthus canus (Britton) Woot. & Standl. Contr. U. 8. Nat. Herb. 16: 190. 
1913. 
Helianthus petiolaris canescens A. Gray, Pl. Wright. 1: 108. 1852, not H. canescens 
Michx. 1803. 
Helianthus petiolaris canus Britton, Mem. Torrey Club 5: 334. 1894. 
TypE LocALity: Valley of the Rio Grande 60 or 70 miles below E] Paso, Texas. 
Rance: Western Texas to southern Arizona. 
New Mexico: Zuni; Tesuque; mesa near Las Cruces; Bishops Cap; Mesilla Valley. 
River valleys and mesas in the Lower and Upper Sonoran Zones. 
77. FLOURENSIA DC. Tar-BusuH. 
Shrub 1 to 2 meters high, viscid, much branched, with small thick alternate entire 
leaves and corymbose or paniculate, short-pedunculate heads of yellowish flowers in 
the upper axils; involucre of 2 or 3 series of lanceolate bracts, part of them foliaceous; 
heads discoid; receptacle flat, the chaffy bracts conduplicate about the achenes and 
deciduous with them; achenes compressed, narrowly oblong-cuneate, callous- 
margined, villous, the pappus a subulate awn from each angle of the summit with 
occasionally some smaller ones. 
