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 be well adapted to 

 use as a border plant in cultivation. 



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



Zinnia grand {flora 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; Hillsboro; Socorro; Dog Spring; mesa near Las Cruces; Capitan 

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

 Puertecito; Aden; WTiite Sands. Phxrns and low hills, in the Lower and Upper 

 Sonoran zones. 



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

 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, M4m. Mus. Hist. Nat. 5: 56. pi. 4. 1819. 



Heliopsis laevis scabra Torr. & Gray, Fl. N. Amer. 2: 303. 1843. 



Tyte locality: "Hab. in America boreali secus amnem Missouri." 



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



New Mexico: Santa Fe and Las Vegas mountains; WTiite and Sacramento moun- 

 tains. Meadows, in the Transition Zone. 



Our western plant is not 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, erect or ascending annual with thin, opposite, petiolate, 

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

 flowers with 4 or 5 barely exserted white rays; involucre campanulate, of ovate, thin, 

 nearly equal bracts in 2 series; achenes turbinate, 4 or 5-angled; pappus of 8 to 16 

 short palese. 



1. Galinsoga parviflora Cav. Icon. PI. 3: 41. pi. 2S1. 1794. 



Galinsoga parviflora semicalva A. Gray, PL Wright. 2: 98. 1853. 



Type locality: Peru. 



Range: Moist slopes and canyons, New Mexico and Arizona, southward through 

 tropical America; widely introduced in eastern North America. 



NewIMexico; Beulah; Mogollon Mountains; Organ Mountains; ^Vhite Mountains. 



63. COSMOS Cav. Cosmos. 



Slender annual with ojjposite leaves dissected into linear segments; heads small, 

 on long slender peduncles; involucre of 2 series of bracts, the outer linear, foliaceous, 

 the inner broad, scarious-margined ; rays conspicuous, pink; achenes slender, 

 beaked, 4-angled, papillose-roughened. 



