Contributions from the Herbarium of Columbia College. 
( 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), . . . . 25 cents. 
New or Noteworthy North American Phanerogams. By N. L. Britton 
C1888), ie he ee ee al . . 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 List of Plants Collected by Dr, E. A. Mearns at Fort Verde and in the 
ea 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 7issa, 
Adans. By N. L. Britton (1889), . 25 cents. 
New or Noteworthy North American Phanerogams, Il. By N. 'L. Britton 
(1889), . 25 cents. 
A Prog said List of Species of the Genus Heuchera. By Wm. E. Wheel- 
(LEGO) Ee ee ag 25 cents. 
fc ew or Noteworthy North American Phanerogams, IIT. By N, L. Britton 
(1890), op, 25 cents. 
The Flora of the Desert of Atacama. By Thos. Morong (1891), . 25 cents. 
New or Noteworthy North American Phanerogams, 1V. By N. L. Britton. 
(1891), 25 cents. 
Notes onthe North American Species of Eriocaulezx. ’ By Thos. Morong 
CIBOR Sear re eo es cs ee 25 cents. 
New or Noteworthy North American Phanerogams, Ve: By N. L. Britton 
(1891), 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 AMeibomia occurring in the 
United States and British America. By Anna M. Vail (1892), . 25 cents. 
Vovume II. 
A List of Species of the Genera Scirpus and Rynchospera occurring in North 
America, By N. L. Britton (1892),. . . . 25 cents. 
Note on a Collection of Tertiary Fossil Plants from Potosi, Bolivia. By N. 
_L, Britton (1892), . 25 cents. 
New or Noteworthy North American Phanerogams, Vi. ' ByN. L. Britton 
(1892), . 25 cents, 
Ranunculus repens and its Eastern North American Alles, “By N. L. 
Britton (1892), 25 cents. 
Preliminary List of American Species of Polygonum. By John K. Small 
(1892), 25 cents, 
A New Species of Listera, with Notes on Other Orchids. By Thos. Morong 
(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 Species of Polygonum. By John K. >mall 
(1893) 25 cents. 
New or oteporte North American Phanerogams, VIL. By N. L. Britton 
(1893), . . a§cents. — 
Contributions to American Bryology, ih Notes on the North American 
Species of Orthotrichum. By Elizabeth G. Britton, 25 cents. — 
New Genera of Plants from Bolivia. By H H.R bo 1893), 25 cents, — 
The Altitudinal Distribution of the Ferns of the . ian Mountain Sys- 
. 
tem. By John K, Small (1893), ..... -. .. « -ageents 
