102 UNITED STATES AND MEXICAN BOUNDART. 



■ 



Haw. & Gray^ I, c; PL Wright. I. c. Sandj places^ with the same 



5 



may 



Matkicaria discoidea, DG. Prodr, 6; p. 37 ; Torr. ^ Gray, Fl. 2, p. 413. A common weed 

 in the streets of Monterey and elsewhere in California, appearing as if introduced ; Parry. 

 Achillea Millefolium^ Linn. Cobre^ New Mexico ; Bigeloio^ Wright. 



Texana, Gray, PL Wright. 1^ p, 123. Plains and grassy places near Eagle Pass on 



Varilla Texana, Gray, PL 

 the Rio Grande; Bigelow^ Parry ^ Thitrher, 



Abtemisia Califoknica, Less. inLinncea^ 6, p. 523. San Diego and San Luis Rey^ California, 

 where it abounds exceedingly ; Parry ^eic. 



AetExMISia dracunculoides, Pursh; Gray, PI. Wright. L c. Hills at the Cobre, New Mexico ; 

 Wright y Bigelow. On the Pecos, Texas ; Thiirher. 



A, 



Artemisia Canadensis, Michx.; Torr. dt Gray^ FL 2, p. 417. With the last. 



Artemisia filifolia, Torr.; Torr. <& Gray, I. c; Torr. in Marcy Rep. 1. 12, Common in bottom 

 land, from below El Paso to the Cobre, etc. 



Artemisia Ludoviciana, Nutt.; Torr, & Gray^ I. c. Very common, and in various forms ; 

 including A. Douglasiana and A. Mexicana. 



Californicum, BG. Frodr 



San Dieso, California : Thurher. 



om 



Gnapiialium luteo-album, Linn. Sandy low places, f 

 to Sonora. 



Gnaphalium Sprengelii, Ilooh. & Am ; Gray, PL Wright. 1, p. 124, <& 2, p. 99. Hills, etc., 



. from the Lirapio, Cobre, etc., to Sonora and California. 



Gnaphalium leucocephalum. Gray, PL^Wright. 2, p. 99. Bed of mountain torrents, near 

 Santa Cruz, Sonora ; Wright, Thurher. 



Gnaphalium microcephalum, Nutt.f Gray^ PL Wright. L c. Cobre, New Mexico; Wright. 



Gnaphalium palustre, Nutt.; Torr. dc Gray^ 2, p. 427. California ; Bev. Mr. Fitch^ etc. 

 On the Colorado of the West; Schott. 



New 



FiLAGo Californica, Nutt.; Torr. & Gray, L c. San Isabel, California; Thurher. On the 

 Sacramento ; Bev. Mr. Fitch. 



Crocidium multicaule, Hooh. FL Bor.-Amer. 1, t. 118. On the upper Sacramento, California; 



Dr. Stillman. 



Arnica piscoidea, Benth. PL Haitio. p. 319. Monterey, California, in woods and ravines ; 

 May ; Parry. A form with even the upper leaves all opposite or nearly so. 



■ 



Bartlettia scaposa, Gray, PL Thurhery p. 323. On a prairie near Corralitas, Chihuahua ; 

 August; Thurher. 



Psathyrotes annua, Gray, PL Wright. 2, p. 100, dt PL Thurher. p. 323. Bulbostylis 



(Psathyrotes) annua, NutL PL GamhelL Tetr; 

 Bep. p. 145. Colorado desert, California ; Sc. 

 ^^Flowers bright yellow. Foliage aromatic.'' 



(Polydymia) 



Gila: Thurher. 



f 



Psathyrotes scai 



Santa Maria, Chihi 

 mountains; Parry 



^ay, PL Wright. 2 p. 100, t. IZ. Gravelly hills near El Paso, and 

 Wright^ Bigeloio. Kioway crossing of the Rio Grande, near the Chisos 



Haploesthes Greggii, Gray, PL FendL p. 109. Along the Rio Grande below El Paso; Parry 



A 



:i 



^ I ri^J 



