Contributions from the Herbarium of Columbia College. 
{The numbers omitted from this list are out of print, ] 
VotumE I. 
No. 4. A List of Plants Collected by Miss Mary B. Croft at San Diego, Texas. By 
N. L, Britton and H. 1. Rusby (1887), . . . . . . . 25 cents. 
No. 5. New or Noteworthy North American Phanerogams. By N. L. Britton 
Sa ee . . , 2§ cents, 
No. 6. An Enumeration of the Plants Collected by Dr. H. H. Rusby in South 
not yet completed.) 
No. 7. The Genus Hicoria of Rafinesque. By N. L. Britton (1888), . 25 cents. 
No. 9. 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. 
No. 11, Preliminary Notes on the North American Species of the Genus 7issa, 
- Adans. By N. L. Britton (1889), ee ete 25 cents. 
No. 13. New or Noteworthy North American Phanerogams, II. By N. L. Britton 
ot) Pane ee ek Bula, eek Ge Re ae . 25 cents. 
No. 15. A Descriptive List of Species of the Genus Heuchera. By Wm. E. Wheel- 
ock (1890), . . eres De eee hel es 25 cents. 
No. 16. New or Noteworthy North American Phanerogams, III. By N. L. Britton 
RISOO) io mee po Ce re. 
No. 17, The Flora of the Desert of Atacama. By Thos. Morong (1891), . 25 cents. 
No. 20. New or Noteworthy North American Phanerogams, IV. By N. L, Britton. 
ar (1891), ats Ore wee i PE EM ae agora orion ayer ao celta Weg ieee ats Sear 25 cents. 
“8. 21, Notes onthe North American Species of Eriocaulee. By Thos. Morong 
(1891), Cee ee ee ae 25 cents. 
No. 22, New or Noteworthy North American Phanerogams, V. By N. L. Britton 
IOO8 ys ak ; ote us _ 25 cents, 
No. 24. Review of the North American Species of the Genus Xyris. By Heinrich 
Ries (¥808),° 0 . 25 cents. 
No, 25. A Preliminary List of the Species of the Genus Meibomia occurring in the 
United States and British America. By Anna M. Vail (1892), . 25 cents 
VoLuME II. aoe 
No. 26. A List of Species of the Genera Scirpusand Rynchospora occurring in North 
America. By N, L. Britton (1892), 25 cents. 
No. 27, Note on a Collection of Tertiary Fossil Plants from Potosi, Bolivia. By N. 
25 cents, 
No, 29. New or Noteworthy North American Phanerogams, VL By N. L. Britton 
(1892), Pee etek Aes . 88 Conie. 
No. 30. Ranunculus repens and its Eastern North American Allies. By N. L. 
N Britton (1892), . gar de eg acs 25 cents. 
° 3%. A Preliminary List of American Species of Polygonum. By John K. ei 
(1892 fees 3 aoe ey : PER reat ate Pet Ban ee 25 . 
No. 33. A New a of Listera, with Noteson Other Orchids. By Thos. Morong 
(i892), ee sae seeds _ 25 cents. 
No. 35. An Enumeration of the Plants Collected by Dr. Thos. Morong in Paraguay, 
No, 37. Further Notes on American Species of Polygonum. By John . Small 
N be 3) Mg hie ee eee ae 25 cents, 
9 38. New or Noteworthy North American Phanerogams, VII. By N. i Beitos 
RIBOS) i a oa ee a gs ee ste a nts. 
No. 39. Peis ast to American Bryology, III.—Notes on the North American 
Species of Orthotrichum. By Elizabeth G. Britton, 25 cents, 
Mo, 40. New Genera of Plants from Bolivia. By H H. Rusby (1893), 25 cents. 
4. The Altitudinal Distribution of the Ferns of the A) moe epsgeopetn ed 
: tem. obn- Ks Small. (9863), 2.55 6 . pees rere 
No. 42. Notes Be shea ree ab titaaense and other Orders. ne P aorne Gh 
Morong (1893), . . See eet ee Ba © “ ‘ eae x ind oe netomat yee 
