﻿No. 58. A Contribution to the History of the Formation of the Lichen Thallus. By 



Carlton C. Curtis (1894), . 25 cents. 



No. 59 Studies in the Botany of the Southeastern United States, II. By John K. 



Small (1894), ..... 25 cents. 



No. 61. The Smilacese of North and Central America. By Thomas Morong (1894) 



25 cents. 

 No. 62. A preliminary Revision of the Genus Lathyrus in North America. By 



Theodore G. White (1894), 25 cents. 



No. 63. Two Species of Oxalis. By John K. Small (1894) '. . . ". . 25 cents. 

 No. 64. Notes on some of the rarer Species of Polygonum. By John K. Small 



(1894), ... 25 cents. 



No. 65. Some new Florida Plants. By T. H. Kearney, Jr. (1894), ... 25 cents. 

 No. 66. Two new Genera of Plants from Bolivia. By H. H. Rusby(i894), 25 cents. 

 No. 67. Family Nomenclature. By John Hendley Barnhart (1895), . . 25 cents. 

 No. 68. A Revision of the North American Species of the Genus Cracca. By 



Anna Murray Vail (1895), . 25 cents. 



No. 69. Contributions to American Bryology, IX. A Revision of the Genus Scou- 



leria with Description of one New Species. By Elizabeth G. Britton. 



0895)> . ... 25 cents. 



No. 70. Studies in the Botany of the Southeastern United States, III. By John K. 



Small (1895), • • • 25 cents. 



No. 71. An Enumeration of the Plants Collected by Dr. Timothy E. Wilcox, U. S. 



A. and others, in Southeastern Arizona during the years 1 892-1 894. By 



N. L. Britton and T. H. Kearney, Jr. (1894), 50 cents. 



No. 73. Some new hybrid Oaks from the Southern States. "By John K. Small 



._ ^ T (l89 5)' 25 cents. 



No. 74. Notes on some Florida Plants. By Geo. V Nash. (1895,) • 2 S cents ' 



No. 75. An Enumeration ot the Plants collected by M. E. Penard in Colorado during the 



summer of 1892. By N. L. Britton and Anna Murray Vail ( 1895). 5° cents ' 



Volume IV. 

 No. 76. The Biological Status of Lichens. By Albert Schneider ( 1895), . 25 cents. 

 No. 77. New or Noteworthy North American Phanerogams, IX. By N. L. Britton 



(1895). . .... 25 cents. 



No. 78. The Genus Cenchrus in North America. By Geo. V. Nash ( 1895), 25 cents. 

 No. 79. Studies in the Botany of the Southeastern United States. By John K. Small 



m c x J l8 9S)» . 25 cents. 



JNo. 80. New or Noteworthy American Grasses— I. By Geo. V. Nash (i895).25 cents. 

 No. 81. Contributions to American Bryology, XI. By Elizabeth G. Britton (1895.) 



25 cents. 

 No. 82. Some special phylogenetic Adaptations in Lichens— I. By Albert Schnei- 



der(i8 95 ). . ^ _ . 25 cents. 



Wo. 83. A Study of the Genus Galactia in North America. By Anna Murray Vail 



0895 )• 25 cents. 



No. 84. New or Noteworthy American Grasses— II-III. ' By'Geo. V. Nash (1895)- 



25 cents. 



v fl # ^ W ° neW p? nera of Saxifragaceae. By John K. Small (1896), 25 cents 

 No. 86. Carex vulpmoidea Michx., and allied Species. By Eugene P. Bicknell. 



(1896), ..... ... 25 cents. 



No. 87. A List of Species of the smaller herbaceous" Genera of North America Sax- 



xt o* A lfra g ace *e. ByWm. E. Wheelock. (1896), 25 cents. 



XT°' o t ne e lected Carex - By Eugene P. Bicknell (1896), \ . . 25 cents. 



No. 89. Notes on some Florida Plants. II. By Geo. V. Nash (1896), . . 25 cents. 

 No. 90. Studies in the Botany of the Southeastern United States— V. By John K. 



Small. (1896), m m 25 cents. 



No. 91, The Blue-eyed Grasses of the'eastern United States (Genus 'Sisyrinchium). 



By Eugene P. Bicknell (1896), , .25 cents. 



No. 92. New or noteworthy American Grasses. ' By Geo. V Nash ( 1896), 25 cents. 

 No. 93. OEn othera and its Segregates. By John K. Small ( 1896), ... 25 cents. 

 JNo. 94. A preliminary Revision of the North American Isotheciaceae. By A. J. 



Grout (1896), . 25 cents. 



No. 95. Revision of the Genus Asimina in North America." By Geo. V. Nash (1896). 



25 cents. 



No. 96. Notes on Potentilla, I., II. By P. A. Rydberg ( 1896) . . 25 cents. 



No. 97. A neglected Species of Oxalis and its Relatives. By John K. Small ( 1896). 



25 cents. 



