No. 19. Notes on North American Halorage. By Thos. Morong a 891), .25 cents 
No. 20. New or Noteworthy North American Phanerogams, IV. By N. L, Britton. 
(ti. ke ee ee ee ee .. . . 25 cents. 
No. 21. Notes onthe North American Species of Eriocauleee. By Thos. Morong 
(1891), Pee Pee Se ee ee ere oo 28 COnins 
No, 22. New or Noteworthy North American Phanerogams, V. By N. L. Britton 
CISGC ee a te Se _ . 25 cents. 
No. 23. The American Species of the Genus Amemone and the Genera which have 
been referred to it. By N. L. Britton (1891),. . . . " 25 cents. 
No. 24. Review of the North American Species of the Genus Xyris. By Heinrich 
Ries (1892), . ero 4 ue 25 Coa 
No. 25. A Preliminary List of the Species ef the Gusds Meibomia occurring in the 
United States and British America. By Anna M. Vail (1892), . 25 cents. 
No. 26. A List of Species of the Genera Scirpus and Rynchospora occurring in North 
America. By N. L. Britton (1892), . : : . . 25 cents. 
No. 27. Note on a Collection of Tertiary Fossil Plants from Potod, Bolivia. By N. 
L. Britton (1892),.. —.. . 25 cents. 
No. 28. The Anatomy of the Stem of Wisteria Sininsie By Cartes C. Curtiss 
(1892), . , 25 cents. — 
No. 29. New or Noteworthy North Abierieads Piakeipasies, VI. by N. L. Britton — 
BOD ee a ee ; 25 cents. — 
No. 30. Ranunculus repens and its Eastern North Anaeriondi Alhes. By N. L. — 
Britton (1892), oe . . . 25 centic: 
No. 31. A Preliminary List of Ashatioan Speciéa of Delve By John K. Small. — 
COA ys ee as Gs ee ee . 25 conte, 
No. 32. West Virginia Mosses. By Elizabeth G. Britton (1892), . , 25 cents. — 
No. 33. A New Species of Listera, with Notes on Other Orchids: By Thos. Morong- - 
CRUG oe ee eye a ee eee 25 cents. é 
No. 34. The North Asuncion Epecies of Letiedees: By N. i 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 (1892-1893), . . _. Bris 
No, 36. An Examination of the Seeds of some Native Orchids. By Carlton C. Curtiss : 
Ci89e) se ore. ; _ 25 cents. 
No. 37. Further Notes on Kingtoks Species of Jidbipbnet. ‘By John K. Small 
(1098), ee, a ee . . . 25 cents. 
No. 38. New or Noteworthy North American Phanerogams, VIL. “By N. L. Britton 
(oho _ . 25 cents. 
No. 39. Contributions to Ajman Srycleey; III te on ‘the North America? 
Species of Orthotrichum. By Elizabeth G. Britton, 25 cents: 
The whole series with the exception of Nos. 2, 3, 6 and 10 will be supplied 
for $5. 
Copies of the Catalogue of Plants found in New Jersey (1889), by N. L. Britton, 
may be had for $2, 
Address 
DR. THOS. MORONG, 
Curator of the Herbarium, Columbia College, — 
NEW YORE Cc 
