Contributions from the Herbarium of Columbia 
No, 
No. 
. 10, 
io & 
. 12, 
» 13. 
so 
» 15. 
. 16, 
» 17. 
. 18, 
College. 
A Preliminary List of North American Species of Cyferus, with Descriptions 
of New Forms. By N. L. Britton (1886),. .... oe wen Ob CONES 
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 
(SSS) oe ee reed Sa 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 Hicoria of Rafinesque. By N. L. Britton (1888), . . . 25 cents. 
A Recent Discovery of Hybrid Oaks on Staten Island. By Arthur Hollick. 
CRB) ir a ea ee ore os 4 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 (1888),. . . . . 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 7issa, 
Adans. By N. 1. Britton (1889),°- 0. 2). as s+ se 25 Conte. 
The Genus £éeocharis in North America. By N. L, Britton (1889), 
25 cents. 
New or Noteworthy North American Phanerogams, II. By N. L. Britton 
RIB ee ee we ey oes < + © OS Cette. 
A List of State and Local losis ie the United States and British America. 
By. Ni Le Delite (8800) jhe age bie ees ne . $x. 
A Descriptive List of angie the Genus Beuchure: By Wm. E. Wheel- 
OUR TIROON ee a ie ic be es 25 cents. 
New or Noteworthy North American Phanerogams, III. By N. L. Britton 
(IER te ee ee ie ob 2 a5. Comte, 
The Flora of the Desert of Assia: “By Thos, ‘hilsone (1891), 
25 cents. 
Contributions to American Bryology, II. A supplementary Enumeration of © 
Mosses collected by Mr. John B. Leiberg in Kootenai County, Idaho. By 
Elizabeth G. Britton (1891), .. 2... 2. ee ee 25 Conte. 
