Contributions from the Herbarium of Columbia College. 
[The numbers omitted from this list are out of print, ] 
VouuME I. 
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 
CWORR a a es ree ge ae et ee, 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 //icoria 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 
ve caw and San Francisco Mountains, Arizona, 1884-1888. By N. L. 
ritton 
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,_ 
Adan. By Ni 1 Bette. (2880), eG . . 25 cents. 
New or Noteworthy North American Phanerogams, IL By N. L. Britton 
180 ieee ee . . 25 cents. 
A Teaiie List of Species of the Genus Heuchera. By Wm. E. Wheel- 
Ce ad ee eat ee ee 25 cents. 
New or Noteworthy North American Phanerogams, Ill. By N. L. Britton 
(1800), ee oO Oe eee ee 25 cents. 
The Flora of the Desert of Atacama. By Thos. Morong (1891), . 25 cents. 
New or Noteworthy North American Phanerogams, IV. By N. L. Britton. 
CRORE a ee . . 25 cents. 
Notes on the North American Species of Eriocaulez. By Thos. Morong 
C1BGID GEG Re Oe ea a eno 2c a 25 cents. 
New or Noteworthy North American Phanerogams, V. By N. L. Britton 
(1801) or Ge Bee Pee” Oe Peers . 25 cents, 
Review of the North American Species ‘of the Genus Xyris. By Heinrich 
Ries.(1892), : . 25 cents. 
A Preliminary List of the Species of the Genus M/eibomia occurring in the 
United States and British America. By Anna M. Vail (1892), . 25 cents. 
VotumE II. 
A List of Species of the Genera Scirpus and Rynchospora occurring in North 
America, By N.-L. Britton (1802); os Gg eee: 25 cents. 
Note on a Collection of Tertiary Fossil Plants from — Bolivia. By N. 
L. Britton (1892), . . __ 25 cents. 
New or Noteworthy North "American Phanerogams, VI. " ByN. L. Britton 
(1502 8 ea . . 25 cents, 
Ranunculus repens and its Eastern North American Alhes. “By N. L. 
Britton (1892), 25 cents. 
A Preliminary List of American Species of Polygonum. By John x. frog 
SOR a a a ee ae 25 
Pes MS cachas of Listera, with Notes on Other Orchids. By Thos. pietior 
WO a oe ee a 25 cents. 
The coger fe Species of Lespedeza. By N. L. Britton (1893), 25 cents. 
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), .. ..- ++ +--+. $1.50 
Further Notes on American pene of Polygonum. By John jer pa 
(1893), 2 
New we Noteworthy North American Phanerogams, VII. By N. L. Britton 
CHOOT ko . , 25 cents. 
Contsiietions to American Bryology, II1.—Notes on the North American 
Species of Orthotrichum. By Elizabeth G. Britton, .. 25 cents. 
New Genera of Plants from Bolivia. By H H. Rusby (1893), 25 cents. — 
The Altitudinal Distribution of the ene gia vag Appalachian Mountain Sys- 
tem. By John K. Small (1893), .....-..-..+.. 25 cents, 
