WOOTON AND STANDLEY FLORA OF NEW MEXICO. 701 



Range: Western Texas to southern Arizona and southward. 



New Mexico: Grant County; mesa west of Organ Mountains. Mesas and dry 

 hills, in the Lower Sonoran Zone. 



A very handsome plant, growing in dense flat-topped clumps 20 cm. high or less. 

 The heads are very showy with their large white rays. It would he well adapted to 

 use as a border plant in cultivation. 



2. Crassina grandiflora (Nutt.) Kuntze, Rev. Gen. PI. 1: 331. 1891. 



Zinnia grandiflora Nutt. Trans. Amer. Phil. Soc. n. ser. 7: 348. 1841. 



Type locality: "In the Rocky Mountains, toward Mexico." 



Range: Colorado and Kansas to Texas and Arizona. 



New Mexico: Raton; Sierra Grande; Laguna; north of Santa Fe; Albuquerque; 

 Zuni; Nara Visa; llillsboro; Socorro; Dog Spring; mesa near Las Cruces; Capitan 

 Mountains; Nogal; south of Roswell; Queen; Redlands; Torrance; Gallinas Mountains; 

 Puertecito; Aden; White Sands. Plains and low hills, in the Lower and Uppei 

 Sonoran zones. 



This species is equally as handsome as C. pumila. It does not bear so many flower.--, 

 nor is the plant so compact and densely branched, but the large bright yellow rays 

 are even more showy than those of that species. 



61. HELIOPSIS Pers. Ox-eye. 



Coarse perennial herb with opposite ovate-lanceolate petiolate leaves and large 

 pedunculate terminal heads with yellow rays; heads many-flowered; ray flowers 10 

 or more, fertile; bracts nearly equal, in 2 or 3 series, the outer foliaceous, spreading; 

 receptacle conic; achenes smooth, 4-angled, truncate; pappus none or a mere border. 



1. Heliopsis scabra Dunal, Mem. Mus. Hist. Nat. 5: 56. pi. 4- 1819. 



Hi liopsU lot via scabra Torr. & < I ray, Fl. N. Amer. 2: 303. 1843. 



Type locality: "Ilab. in America boreali secus amnem Missouri." 



Range: Saskatchewan and New York, south to New Mexico and Arkansas. 



New Mexico: Santa Fe and Las Ve^as mountains; White and Sacramento moun- 

 tains. Meadows, in the Transition Zone. 



Our western planl is qoI altogether like the one found farther east, its leaves being 

 smaller and fewer, with fewer, more appressed , blunter teeth. 



62. GALINSOGA Ruiz & Pav. 



Slender, loosely branched, ereel or ascending annual with thin, opposite, petiolate, 

 lanceolate to ovate, serrate leaves and small slender-pedunculate heads of yellow 

 Bowers with I or 5 barely exserted white rays; involucre campanulate, of ovate, thin, 

 nearly equal bracts in 2 -• ries; achenes turbinate, 1 or 5-angled; pappus of 8 to 16 

 short palese. 



1. Galinsoga parviflora Cav. Icon. PI. 3: II. pi, 181. 1794 



Oalvnsoga parviflora semicalva A. Gray, PI. Wright. 2: 98. 1853. 



Ti ii: i "i x 1 1 1 ^ : Peru. 



EIangi Moist slopes and canyons, New Mexico and Arizona, southward through 

 tropical America; widely introduced in eastern North America. 



Xi.u Mexico: Beulah; Mogollon Mountains; Organ Mountains; White Mountains. 



63. COSMOS Oav. Cosmos. 



Blender annual with opposite leaves dissected into linear segments; heads -mall, 

 on long Blender peduncles; involucre of -' series of bracts, the outer linear folia* i 

 the inner broad, Bcarious-margined; raj conspicuous, pink; achenes slender, 

 beaked, I angled . papillose roughen* d 



