b rUKFACK. 



Ill tilt' |)rt'i)ar:iti()ii ot' llii> wDrk t In- w :itfi- i> itulddcd for assistimcc, 

 tirst of all. to I)r. A. \V. Cliapman. tiir \"('tt'iaii Sou.Ihtii l»otaMist; to 

 Prof. Chiirli's S. Sarjj;('nt for aid r<'M<li'rt'»l in tlu' frrc iisr of the 

 librurv of tho Arnold Arhoretum and advice in jM-rplexin^r (|iiostioiis 

 of iioniencluturi'. and to Mr. Charlos Faxon, of the Arnold Arl)orttiiiii. 

 for bil)lioirr!ipliical assistance; to Dr. N. L. Britton and Di. d. K. Small, 

 of the C'oluinhia I'niversity ; to Dr. William Trideast". of tin- Missouri 

 BoUmical Garden; to Prof. F. Lanison-Scriliner, chief of the Division 

 of Agrostolo*ry, United States Do])artni('nt of A«rriculture: to Mr. F.\'. 

 Coville, chief of the Division of Botany, and his assistant Mr. T. II. 

 Koarne}', jr. ; and to Dr. J. X. Rose and Mr. Charles L. Pollard, assistant 

 eiirators of the National IIerl)arimn. for facilities ati'orded: also to 

 Dr. Edward L. Greene, of the Catholic University, for his revision of 

 doubtful and new forms of Compositae; and to Prof. L. H. Bailey for 

 his help in Carex. Thaidis are due, also, to Dr. B. E. Fernow. late 

 chief of the Division of Forestry, for help rendered in the arranjrcment 

 of the general part of the work for the press, and to Mr. George B. 

 Sudworth. dendrologist of that Division; and lastly to Mr. C. D. 

 Beadle, director of the Biltmore Hei'barium. and his associate, 

 Mr. F. E. Bo3'nton, for their assistance while consultino- the Biltmore 

 Herbariiuii and Library. 



The writer with pleasure takes this occasion to express his gratitude 

 for the friendl}^ aid extended to him by many of his fellow-citizens 

 while engaged in the field, and to President Milton Smith, of the 

 Louisville and Nashville Railroad, to the Hon. T. G. J-iush. president of 

 the Mobile and Birmingham Railway, and to Col. K. L. Russell, presi- 

 dent of the ^Mobile and Ohio Railroad, for courtesies liberally extended 

 to him in his travels through the State. Without the aid recei\'ed 

 from these sources the appearance of this volume coidd not have l»een 

 accomplished. 



Charles Mohr. 



