WOOTON AND STANDLEY FLOEA OP NEW MEXICO. 711 



4. Helianthus grosseserratus Martens, Sel. Sem. Hort. Loven. 1839. 

 Type locality: St. Louis, Missouri. 



Range: New York and Wyoming to Pennsylvania, Texas, and New Mexico. 

 New Mexico: Ensenada; Wliite Mountains. Plains and low hills, in the Upper 

 Sonoran Zone. 



5. Helianthus fascicularis Greene', PI. Baker. 3: 28. 1901. 



Helianthus giganteus utahensis D. C. Eaton, in King, Geol. Expl. 40th Par. 6: 169. 



1871. 

 Helianthus utahensis A. Nels. Bull. Torrey Club 29: 405. 1902. 

 Type locality: Cimarron, Colorado. 

 Range: 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. PI. 904. 1753. Common sunflower. 

 Helianthus lenticularis Dougl. in Edwards's Bot. Reg. 15: pi. 129.5. 1829. 



Type locality: "In Peru. Mexico." 



Range: 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 gi'ound. 



7. Hehanthus aridus Rydb. Bull. Torrey Club 32: 127. 1895. 

 Type locality: Great Falls, Montana. 



Range: Montana and Nebraska to New Mexico. 



New Mexico: Pajarito Park; Pecos; north of El Vado; mountains southeast of Pat- 

 terson; Upper Negi-ito Creek. In dry soil, in the Upper Sonoran Zone. 



8. Helianthus petiolaris Nutt. Joum. Acad. Phila. 2: 115. 1821. 

 Type locality: "On the sandy shores of the Arkansas." 

 Range: 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. & Standi. Contr. U. S. 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 El Paso, Texas. 

 Range: 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-bush. 



Shi'ub 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 foUaceous; 

 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. 



