OF ARTS AND SCIENCES. 109 



character of the receptacle fails, for in this it is hemispherical, instead 

 of ovate. 



IIelenium microcephalum, DC. At Bluffton, Texas (735). 

 Depauperate specimens, but answering to 1429 Berlaudier. 



Amblyolepis setigera, DC. At Monterey, Nuevo Leon (724). 



Gaillardia comosa, Gray; new sp. At Saltillo (721). 



Gaillardia pulchella, Foug. At Monterey, (722). And var. 

 PICTA, Gray ; at Corpus Christi, Texas (729). 



Gaillardia pinnatifida, Torr. At Parras (723). The long 

 villi of the akene are in this species, as in G. comosa and G. simplex, 

 inserted over the vphole surface. 



Gaillardia Mexicana, Gray ; new sp. In the Sierra Madre, 

 south of Saltillo (725), and at Lerios, Coahuila, a dwarf subcaulescent 

 form (726). 



Gaillardia simplex, Scheele. (Agassizia suavis, Gray & 

 Engelm.) At Saltillo and Monclova (727, 728, 2086). 



Gaillardia lanceolata, Michx. A depauperate slender form. 

 At Sutherland Springs, Texas (730). 



AcTiNELLA (Platylema) Palmeri, Gray; 7iew sp. At Saltillo 

 (554). 



Actinella insignis. Gray; new sp. At Lerios, Coahuila (632). 



AcTiNELLA SCAPOSA, Nutt. At Monterey, Nuevo Leon. Also 

 var. LINEARIS, Nutt., in Western Texas and Coahuila (657, 658, 

 659). 



Actinella linearifolia, Torr. & Gray. In Coahuila and 

 Nuevo Leon (670, 671, 677). 



Actinella odorata. Gray. At Laredo, Texas (742), and in 

 Coahuila (741). 



Baileya multiradiata, Gray. (B. pliiriradiata, Gray.) In 

 Coahuila (675, 676). 



Artemisia Mexicana, AVilld. At Soledad, Coahuila (736). A 

 loosely paniculate form. 



Haploesthes Greggii, Gray. In the mountains east of Saltillo 

 (649). 



Senecio salignus, DC. At Parras, Coahuila, and in Nuevo 

 Leon (743, 744) ; the last a slender form, the same as 1367 Berlau- 

 dier, on which is founded ^S'. axillaris, Klatt, in Abhandl. Nat. 

 Gesell. Halle, 15. 13. 



Senecio lobatus, Pers. At Monclova (754). A slender depau- 

 perate form, the same as 1741 Berlandier, on which Klatt, 1. c, 

 founded his S. imparipinnatus. 



