Contributions from the Herbarium of Columbia 
No. 8 
No. 17. 
No, 18. 
i, Meet Ge Britton: (Bon). 0 eo 
College. 
A Preliminary List of North American species of Cyferus, with Descriptions 
of New Forms. By N. L. Britton (1886),. .... + + + « 25 cents. 
Cerastium arvense, L., and its North American Varieties. By Arthur Hol- 
lick and N, L. Britton (1887). (Out of print.) 
_ Plant Notes from Temiscouata County, Canada. By J. I. Northrop (1887). 
(Out of print.) 
__ A List of Plants Collected by Miss Mary B. Croft at San Diego, Texas. By 
N. L. Britton and H. H. Rusby (1887), ......... 25 cents, 
New or Noteworthy North American Phanerogams. By N. L. Britton 
CROCE sy el ae ia ee BE Orin Goan Soe ae ak a 25 cents. 
An Enumeration of the Plants Collected by Dr. H. H. Rusby in South 
America, 1886-1887. By N. L. Britton. (Twenty-three parts published ; 
not yet completed.) 
The Genus Aicoria of Rafinesque. By N. L. Britton (1888), . . 25 cents. 
A Recent Discovery of Hybrid Oaks on Staten Island. By Arthur Hollick. 
RRO sg Oe et ee An ie 25 cents. 
A List of Plants Collected by Dr. E. A. Mearns at Fort Verde and in the 
Mogollon and San Francisco Mountains, Arizona, 1884-1888. By N. L- 
Britton. ; 
The General Floral Characters of the San Francisco and Mogollon Mountains 
and the Adjacent Region. By H. H. Rusby (IBRD tho g 2 25 cents. 
Contributions to American Bryology—An Enumeration of the Mosses Col- 
lected by Mr. John B, Leiberg in Kootenai County, Idaho. By Elizabeth 
G. Britton, (Out of print.) 
Preliminary Notes on the North American Species of the Genus 77ssa,. 
Adams. - By WN, 1a Britton (4880); 0 oes gg 25 cents. 
The Genus £/eocharis in North America, By N. L. Britton (1889), 
25 cents. — 
New or Noteworthy North American Phanerogams, II. By N. L. Britton 
IO kee eee -, , 85 conte 
A List of State and Local Floras of the United States and British America. 
By N. Tx Britton (1890)/ 09070 5 ts a es $x. 
A Descriptive List of Species of the Genus Heuchera. By Wn. E. Wheel- 
OR CEN), ae a ee ee ye - age 
New or Noteworthy North American Phanerogams, III. By N. L. Britton 
CUO ee ee as 25 cents. 
The Flora of the Desert of Atacama. By Thos. Morong (1891), 
25 cents. _ 
Contributions to American Bryology, II. A supplementary Enumeration of 
Mosses collected by Mr. John B. Leiberg in Kootenai County, Idaho, By 
