ILLUSTRATIONS. 
We present herewith eleven plates illustrating the various 
genera. We expect to publish from time to time, pamphlets describing 
and illustrating the species of each genera. 
Acknowledgement of Sources of Illustrations. 
Fig. 1, 5, 6, 7, 8, copied from Engler & Prantl, (originally from various 
sources.) 
Fig. 20, copied from drawing by V. S- White. 
Fig. 10, 11,12, 13, 14, 42, Microphotographs by Dr. Edward Thompson. 
Fig. 9, 36, 37, Specimens from Mrs. Delia Sams, New Smyrna, Florida. 
Fig. 17, 18, 35, Specimens from Simon Davis, Boston, Mass. 
Fig. 21, 40, Specimens from A P. Morgan, Preston, Ohio. 
Fig. 22, Specimen in collection of E- M. Underwood. 
Fig. 23, Specimen from Dr. Wm. Herbst, Trexlertown, Pa. 
Fig. 24, 26, 32, 49, Specimens in Ellis’ Collection, New York Botan¬ 
ical Garden. 
Fig. 25, Specimen from C. V. Piper, Pullman, Washington. 
Fig. 27, Specimen from E- A. Greata, Eos Angeles, Cal. 
Fig. 30, 46, Specimens from Fred. J. Braendle, Washington, D. C. 
Fig. 31, Specimen from Prof. A. J. McClatchie, Phoenix, Arizona. 
Fig. 38, Specimen from Caroline A. Burgin, Philadelphia, Pa. 
Fig. 39, Photograph from Fred. J. Braendle, Washington, D. C. 
Fig. 41, Specimen from E. Bartholomew, Rockport, Kan. 
Fig. 43, Specimen from Mrs. Eugene Wright, Hubbard Eake, Mich. 
Fig. 4, 48, Specimens from Geo. E. Morris, Waltham, Mass. 
Fig. 2, 3, 15, 16, 19, 28, 29, 33, 34, 44, 45, 47, Specimens collected 
by author. 
