CONTRIBUTIONS FROM THE NEW YORK BOTANICAL 



GARDEN— No. 34. 



THE GENUS RIELLA, WITH DESCRIPTIONS OF 



NEW SPECIES FROM NORTH AMERICA 



AND THE CANARY ISLANDS 



By M. a. HOWE and L. M. UNDERWOOD 



NEW YORK 

 1903 



[Reprinted from the Bulletin of the Tokrey Botanical Club, 30: 214-224. Ap 1903] 



