OF ARTS AND SCIENCES. 103 



Aster eric^folius, Rothr. lu the Sierra Madre, south of Sal- 

 tillo (484). A very slender form. 



Aster phyllolepis, Gray. Western Texas (498). 



Aster (Orthomeris) Palmeri, Gray, Proc. Am. Acad. 17. 209. 

 At Corpus Christi (509), and at Eagle Pass, Texas (516). 



Aster multiflorus, Ait. In Western Texas (517), and in Mex- 

 ico (2075). Also a variety (A. hebec/adtis, DC.) at Uvalde (518). 



Aster divaricatus, Nutt. At Sutherland Springs, Texas (519, 

 520, 522), and a large-leaved form at Saltillo, Coahuila (526). 



Aster Drumjiondii, Lindl. In Western Texas (524, 525). 



Aster tanacetifolius, HBK. Locality uncertain (527). 



Erigeron dryophyllus, Gray, 1. c. 210. At Guajuco, Nuevo 

 Leon (495). 



Erigeron Palmeri, Gray. A hirsute form, at Saltillo (496), 

 and Lerios, Coahuila. 



Erigeron pubescens, HBK. In Mexico (530, 531, 2074). 



Erigeron Canadensis, Linn. (E. strictus, DC.) In Western 

 Texas (2073). 



CoNYZA SUBDECURRENS, DC. At Mouclova (534), and in the 

 mountains north of that place (533). 



Baccharis Texana, Torr. & Gray. In Southwestern Texas 

 (510,511,535, 536). 



Baccharis pteronioides, DC. {B. ramulosa, Gray.) In Mex- 

 ico (513, 514). 



Baccharis Bigelovii, Gray. In the Caracol Mountains, Coa- 

 huila (537). 



Baccharis angustifolia, Michx. In Western Texas (538), and 

 at Parras (541, 542). 



Baccharis glutinosa, Pers. (J5, Alamani, etc., DC.) At La- 

 redo, Texas (539), and at Parras, Coahuila (540). 



Pluchea cahphorata, DC. At Sutherland Springs, Texas 

 (543), and in the mountains north of Monclova (544). 



Pluchea odorata, Cass. At Monterey, Nuevo Leon (545). 



Pluchea subdecurrens, DC, var. canescens, Gray. Same 

 locality (546). 



Pterocaulon virgatum, DC. At Sutherland Springs, Texas 

 (422). 



EvAX multicaulis, DC. Between the Frio and Nueces Rivers, 

 Texas (1146), and at Juraz, Coahuila (547). 



Gnaphalium Sprengelii, Hook. & Arn. At San Lorenzo de La- 

 guna, Coahuila (548, 552). 



