Contributions from the Herbarium of Columbia College. 
No. 37. 
No. 38. 
No. 39. 
No. 40. 
No, 41. 
[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 (18$7)5 0. ok oe wea 25 cents. 
New or Noteworthy North American Phanerogams. By N. L. Britton 
Se Me ee age Oa 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 
ss See 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 7?ssa, 
Adam... By Nv. Britton (1889) ) 4. oss sis ww Sw ae 25 cents. 
New or Noteworthy North American Phanerogams, II. By N. L. Britton 
CEEB Og ok pss ie oe eae pe wip ie a) ete ae 25 cents. 
A Descriptive List of Species of the Genus Heuchera. By Wm. E. Wheel- 
OR ON 6 sh cet eee I ae iy ese wy Se ed 25 cents. 
New or Noteworthy North American Phanerogams, III. By N. L. Britton 
Bat Se ree Dr ee ee eT 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. 
CSCO E ie hea: weet oh & no oe ee enemas core 25 cents. 
Notes onthe North American Species of Eriocaulee. By Thos. Morong 
RUNGE, os chy Seg ie ee at Gy + cal ot . . . 25 cents. 
New or Noteworthy North American Phanerogams, V. By N. L. Britton 
CR dg ae cae pig a ah eign tp a be a Ca wee Se 25 cents, 
Review of the North American Species of the Genus Xyris. By Heinrich 
Ries (1892),: 4s grote ie siawter a centah eww) ceo 25 cents. 
A Preliminary List of the Species of the Genus J/ezdomia occurring in the 
United States and British America. By Anna M. Vail (1892), . 25 cents. 
VotumeE II. 
A List of Species of the Genera Scirpus and Rynchospora occurring in North 
Americ. By N: 1. Britto (1908), oe sce _ , 25 cents. 
Note on a Collection of Tertiary Fossil Plants from Potosi, Bolivia. By N. 
ba Ben (eee ae ts ew epee ee 
New or Noteworthy North American Phanerogams, VI. ByN. L. Britton 
CERN a ce te ew lane Riga Sg pg se 25 cents 
Ranunculus repens and its Eastern North American Allies. By N. L. 
Britton (1892), oe cae eel ULe og © sl wrine a anon baw ecco a 25 cents. 
A Preliminary List of American Species of Polygonum. By John K. Small 
REE Ere oe gee we oe 25 cents, 
A New Species of Zzstera, with Noteson Other Orchids. By Thos. Morong 
ROO A ws ncaa de ik eon ee ane . 25 cents, 
The N. American Species of Zespedesa. 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 Species of Polygonum. By John K. Small 
CN ake ae Ue OT ee aeias ees oa 25 cents. 
New or Noteworthy North American Phanerogams, VII. By N. L. Britton 
CONG en sd es te ae ee . . 25 cents. 
Contributions to American Bryology, III.—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 Ferns of the Appalachian Mountain Sys- 
