22 SUPPLEMENT. 



RHAMNACE.E. 



[i. p. 195.] 4. Zizyphus lycioides, A. Gr. ; S. Wats, in Proc. Am. Acad. xvii. 

 p. 336. 

 Noeth Mexico, Lerios, Coahuila (Palmer, 167). Hb. Kew. 



[i. p. 195.] 4*. Zizyphus obtusifolillS, A. Gr. PI. Lindh. p. 168; Gen. PI. 

 Am. Bor. 111. ii. p. 270, t. 163 ; S. Wats, in Proc. Am. Acad. xvii. p. 336. 

 Paliurus texanus, Scheele in Linn sea, xxi. p. 594. 

 Rhamnus? obtusifolius, Hook.; Ton*. & A. Gr. Fl. N. Am. i. p. 685. 



Texas. — North Mexico, San Lorenzo de Laguna, Coahuila (Palmer, 166). Hb. Kew. 



[i. p. 196.] 2. CondaJia Spathulata, A. Gr. ; S. Wats, in Proc. Am. Acad, 

 xvii. p. 336. 



Noeth Mexico, Saltillo (Palmer, 162). Hb. Kew. 



[i. p. 196.] l. Microrhamnus ericoides, A. Gr. ;.S. Wats, in Proc. Am. 

 Acad. xvii. p. 336. 



Noeth Mexico, Lerios, Coahuila (Palmer, 165). Hb. Kew. 



[i. p. 199.] 3. Ceanothus cceruleus, Lag., = 1. C. azureus, Desf. ex S. Wats, in 

 Proc. Am. Acad. xvii. p. 337. 



[i. p. 200.] 2. Sageretia wrightii, S. Wats, in Proc. Am. Acad. xx. p. 358. 

 This is a new species, founded by Watson on the Mexican and Arizonian specimens 

 referred by us to S. miehauxii. 



[i. p. 200.] 4. Colubrina glomerata, Hemsl. ; S. Wats, in Proc. Am. Acad, 

 xvii. p. 336. 

 Barcena guanajuatensis, Duges in Eev. Cient. Mex. i. p. 8, cum tab., fide Wats. 



[i. p. 200.] 4*. Colubrina greggii, S. Wats, in Proc. Am. Acad. xvii. p. 336. 

 Noeth Mexico, Soledad, Coahuila (Palmer, 171), Monterey, Nuevo Leon (Gregg, 

 154). Hb. Kew. 



[i. p. 201.] 1. Adolphia infesta, Meissn. ; S. Wats, in Proc. Am. Acad. xvii. 

 p. 336. 



South Mexico, Guanajuato (Duges). 



Watson is of opinion that Colletia ? multiflora, DC, is the same as this. 



AMPELIDEiE. 



[i. p. 203.] 3. Vitis aestivalis, Michx, ; S. Wats, in Proc. Am. Acad, xvii 

 p. 337. 



Noeth Mexico, Parras, Coahuila, and in the mountains near Saltillo (Palmer) 

 Hb. Kew. 



