78 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN 



Order Coniferales 



Palissya sp.? 



This fragment of what appears to be the remains of a leafy 



coniferous branch resembles very closely forms referred to the 



above genus and to Walchia. As the greater resemblance is, 



however, to the former, it is here included therein. 



Explanation of plate 5 



Neocalamites Carrerei (Zciller) Halle; from Santa Clara Coal Field, Sonora, Mexico. 

 Natural size. 



