236 



UNITED STATES AND MEXICAN BOONDARY. 



mountains, New Mexico ; Bigelow. Lye. struthioloides, Presl, referred by Hooker, and follow- 

 ing him by Dr. Torrey, to the slender variety of the above, was considered by Spring (Z, c. 1, p. 32) 

 a form of Lye. iaxifoUunij though he says he did not carefully examine the original specimen in 

 the Imperial herbarium at Vienna. 



Selaginella lepidophtlla, Spring, I. c. p. 72, Lycopodium lepidophyllum, Hook. Ic. FL 2, 

 t. 162, 163. In the valley of the Kio G-rande, and near the San Pedro, mostly on lime rock. 

 C. Wright, No. 2114, (1851-2), 



HYDROPTEEIDES. 



Marsilea uncinata, a. JBraunin Sill. Jour. (2d ser.) 3, p. 55. New Mexico; Dr. Bigeloiv, 



No. 166. 



Hooh. & Grev. Ic, Fil 



159. 



San Elceario on the Rio Grande and 



elsewhere in western Texas. G. Wright, No. 2112, (1851-2). 



Marsilea macropoda, A. Braun, I. c. Western Texas and along the Rio Grande. G. Wright, 



No, 2111 (1851-2). 



AzoLLA Caroliniana, WiM. Sj). 6, p. 541 ; Torr. Fl. N. Yorh, 2, p. 513. Rio San Antonio, 



and Rio Gila. 



i. 





<.^Jrv.'-VH 



