No. 26. A List of Species of the Genera Scirpus and Rynchospora occurring in North 
America. By N. L. Britton (1892),. . 2 2... oe. 
No. 27. Note on a Collection of Tertiary Fossil Plants from Potosi, Bolivia. By N. 
L. Brit@m CiGg2), a . . 25 cents, 
No. 28. The Anatomy of the Stem of Wisteria ‘Srinasts ‘Be Carlten C. Curtiss 
P CIRO Re oe ee . . . 25 cents, 
No. 29. New or Noteworthy North  Wesistenss Viaweipeine: VI. . N. L. Britton 
(ith a ok . 2. 25 cents. 
No. 30. Ranunculus repens and its Bartel North Ataistoha Alles, By N. L. 
Britton (1892), Ree ENV ee We ees eo ee 25 cents. 
No. 31. A Preliminary List of American Species of Polyonitei By John K. Small. 
PT ee ee 25 cents, 
No, 33. A New Species of Listera, with Notes on Other Orchids. By Thos. Morong 
Mere es a ee . 95 COO 
No. 34. The North American Species of Lapedies. By N. £. Britton (1893), 
25 cents. 
No. 35. An Enumeration of the Plants Collected by Dr. Thos. Morong in Paraguay 
1888-1890. By Thomas Morong and N. L. Britton, with the assistance of 
Miss Anna Murray Vail ( yin. ses $1.50 
No, 36. An Examination of the Seeds of some Native Orchids. By Carlton C. Curtiss 
COD ey ee Se er ee ee 25 CO? 
No. 37. Further Notes on American Species of Polygonum. By John K. Small 
COS Na vie er ck aa eee 
No. 38. New or Noteworthy North American Phanerogams, VII. By N. L. Britton 
Ne ee ee oe 
No. 39. Contributions to American Bryology, III.—Notes on the North American — 
Species of Orthotrichum. By Elizabeth G. Britton, oe 
No. 40. New Genera of Plants from Bolivia. By H. H. Rusby (1893), . 25 cents: 
No. 41. The Altitudinal Distribution of the Ferns of the Appalachian Mountain Sys- 
tem. By John KR. Saal (ier, 22 ee 35 
No. 42. Notes upon various Species of Iridaceze and other Orders. By Thomas 
Meroug (1867 6 er 
No, 43, Notes on the Flora of Southeastern Kentucky. By T. H. Kearney, i 
CERO Soe ake ee eg A ee 25 cents. 
No. 44. Contributions to Anil Sivéloes: IV. Notes on the North American a 
Species of Orthotrichum—Il. By Elizabeth G. Britton (1894), . 25 cet 
No. 45. Studies in the Botany of.the Southeastern United States, I. By John is 
Bhiall (180g, SS ee _. 
No. 46. Plants from Virginia, new to Gray’s Manual Range with Notes on other 
Species. By A. A. Heller (1894),......, . a5 ee 
No. 47. New or Noteworthy North American Pais ya S, VIII. By N. L Bue 
Miglin or 25 cents 
Address 
DR. THOS. MORONG, 
Curator of the Herbarium, Columbia College, _ 
NEW YORK CI 
