Contributions from the Herbarium of Columbia College. 
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No. 26, 
No. 27, 
No. 29, 
No, 30. 
No. 31, 
No. 33. 
No, 3 5. 
No. 37. 
No. 38. 
No. 39. 
No. 40, 
No. 41. 
No. 42. 
[The numbers omitted from this list are out of print, ] 
VoLuME I. 
A List of Plants Collected by Miss Mary B. Croft at San Diego, Texas. By 
N. L, Britton and H. H. Rusby (1887),. . . .- ++ + 2+ 25 cents. 
New or Noteworthy North American Phanerogams. By N. L. Britton 
(1888) 5. seca he oe ec oe ee 25 cents, 
America, 1886-1887. By N. L. Britton. (Twenty-three parts published ; 
not yet completed.) 
The Genus Hicoria of Rafinesque. By N. L. Britton (1888), . . 25 cents. 
A List of Plants Collected by Dr. E. A. Mearns at Fort Verde and in the 
i Se and San Francisco Mountains, Arizona, 1884-1888. By NN; ks 
ritton. 5 
The General Floral Characters of the San Francisco and Mogollon Mountains 
and the Adjacent Region. By H. H. Rusby (1888),.. - - - 25 cents. 
Preliminary Notes on the North American Species of the Genus . 7zssa, 
Adans. By N. L. Britton (1889),. - . « s+ s+. —s 25 cents. 
New or Noteworthy North American Phanerogams, Il. By N.L. Britton 
(1889), 05 ea 25 cents. 
A Descriptive List of Species of the Genus Heuchera. By Wm. E. Wheel- 
Ook. (1890), 4.6 fos a ee ee 25 cents. 
New or Noteworthy North American Phanerogams, Ill. By N. L. Britton 
(1800)) 3 aca Ae ee See . 25 cents. 
The Flora of the Desert of Atacama. By Thos. Morong (1891), . 25 cents. 
New or Noteworthy North American Phanerogams, 
(1891),6 gs a a ae 25 cents. 
Notes onthe North American Species of Eriocaulee. By Thos. Morong 
(1801); 6 ok i a ee a 25 cents. 
New or Noteworthy North American Phanerogams, Vv. By N. L. Britton 
(1801); sk ea ee “. +. 25 cents, 
Review of the North American Species of the Genus Xyris. By Heinrich 
Ries (1892); c6 i 6 ee ee fee ees OS cents. 
ia occurring in the 
A Preliminary List of the Species of the Genus Meibom 
United States and British America. 
VotuME II. 
A List of Species of the Genera Scirpus and Rynchospora occurring in North 
America. By N. L. Britton (1598)i ps 8 ot st Re Paget 
Note on a Collection of Tertiary Fossil Plants from Potos!, Bolivia. By N. 
L. Bitton (i8ea}0e3 ss beget eee eee Se 
New or Noteworthy North American Phanerogams, VI. ByN. ma — 
(1892), ee ee Ce ee ie er Ge re ed SOR Me ee eres Sees 
Rowse repens andits Eastern North American Allies. By Nae 
Britton-(4898);. 6s ee ee A a es BS. fre 
A Preliminary List of American Species of Polygonum. By J depron 
(3898)0 5 oF sees poge ass yee 
A New Soles of Listera, with Notes on Other Orchids. By leas raping 
(ROS) ees ee ee ee ee \. 
An Enumeration of the Plants Collected by Dr. Thos. Morong in Paraguay, 
1888-1890. By Thomas Morong and NL. Britton, with the epee ba 
Miss Anna Murray Vail (1892-1893), - s+ fe 64 oe 
Further Notes on American Species of Polygonum. By John bane 
(1893), Piet aie cee Tae Sey oe eg id, Mee PaO ee ee pee 
New a Ycadwcetay North American Phanerogams, VII. By N. i, cane: 
I a Ae Oe re ° . . ° * ° . . . * . * . . . 
Connsteceioas to American Bryology, III.—Notes on the North page 
Species of Orthotrichum. By Elizabeth G. Britton, . |» + ° 
New Genera of Plants from Bolivia. By H H. Rus 1893), .25 acy 
The Altitudinal Distribution of the Ferns of the pron AR ountain 
* 
Ne eS 
25cents, ae 
tem, By John K. Small (1893 oot a 
aties of iridaces” and other Orders. oi ak oy 
Notes upon various 
Morong (1008) io 6 et An 
