COMPOSITE. 53 



[ii. p. 119.] 2. Psilactis brevilingulata, Schultz Bip. ; S. Wats, in Proc. 

 Am. Acad, xviii. p. 102. 



Noeth Mexico, in the Sierra Madre, south of Saltillo {Palmer, 515, 528). 



[ii. p. 121.] 4. Aster divaricatUS, Nutt. ; S. Wats, in Proc. Am. Acad, xviii. 

 p. 103. 



Noeth Mexico, Saltillo, Coahuila (Palmer, 526). 



[ii. p. 123.] 1*. Erigeron arizonicus, A. Gr. in Proc. Am. Acad. xix. p. 2. 



Noeth Mexico, Tanner's Canon, Huachuca (Lemmon). 



[ii. p. 124.] 9*. Erigeron lemmoni, A. Gr. in Proc. Am. Acad. xix. p. 2. 



Noeth Mexico, Tanner's Canon, Huachuca (Lemmon). 



[ii. p. 124.] 14*. Erigeron dryophylhlS, A. Gr. in Proc. Am. Acad. xvii. 

 p. 210. 



Noeth Mexico, Guajuco, Nuevo Leon (Palmer, 495). 



[ii. p. 125.] 15. Erigeron palmeri, A. Gr. ; S. Wats, in Proc. Am. Acad, xviii. 

 p. 103. 



Noeth Mexico, Saltillo and Lerios, Coahuila (Palmer, 496). 



[ii. p. 125.] 16. Erigeron pubescens, H. B. K. ; S. Wats, in Proc. Am. Acad, 

 xviii. p. 103. 



Noeth Mexico, in various localities (Palmer, 530, 531, 2074). 



[ii. p. 128.] 2. Baccharis angUStifolia, Michx. ; S. Wats, in Proc. Am. Acad, 

 xviii. p. 103. 



Noeth Mexico, Parras, Coahuila (Palmer, 541, 542). 



[ii. p. 128.] 4. Baccharis bigelovii, A. Gr. ; S. Wats, in Proc. Am. Acad, xviii. 

 p. 103. 



Noeth Mexico, in the Caracol Mountains, Coahuila (Palmer, 537). 



[ii. p. 131.] 28. Baccharis pteronioides, DC; S. Wats, in Proc. Am. Acad, 

 xviii. p. 103. 



Baccharis ramulosa, A. Gr. ; huj. op. ii. p. 131, fide S. Wats. 

 Noeth Mexico, without locality (Palmer, 513, 514). 



[ii. p. 132.] 42*. Baccharis thomasii, Klatt in Abhandl. naturf. Gesellsch. 

 Halle, xv. (reprint, p. 6). 



South Mexico, Orizaba (Thomas, 1866). 



[ii. p. 133.] 1*. Plnchea camphorata, DC. Prodr. v. p. 452 ; A. Gr. Man. Bot. 



Northern U. S. ed. 5, p. 247 ; S. Wats, in Proc. Am. Acad, xviii. p. 103. 



Massachusetts southward. — Noeth Mexico, in the mountains north of Monclova, 

 Coahuila (Palmer, 544). 



