Contributions from the Herbarium of Columbia College. 
No. 4. 
[ The numbers omitted from this list are out of print. ] 
VotumE I. 
A List of Plants Collected by Miss Mary B. Croft at San Diego, Texas. By 
N.-L, Britton ond TH. BH. Rusby (1887), op sk ee 25 cents. 
New or Noteworthy North American Phanerogams. By N. L. Britton 
CESBS eS re ee ee es . . 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 Acoria 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 
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. 
Preliminary Notes on the North American Species of the Genus 7issa, 
Adans:> By N. 3, Britton (3880); oa ea se 25 cents. 
New or Noteworthy North American Phanerogams, II. By N. L. Britton 
C3880) es eS ae eee ae 25 cents. 
A Peace List of Species of the Genus Heuchera. na Wm. E. Wheel- 
ME (NBO 9 S62 i a AERA REE ES Gry en Bees . 25 cents. 
New or Noteworthy North American Phanerogams, III. By N. L. Britton 
CRUG eS a a a eis 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. 
(6th sa ee eG ee re ay . . .25 cents. 
Notes on the North American Species of Eriocauleze. By Thos. Morong 
CUBE Ser ep ee ss 25 cents. 
New or Noteworthy North American Phanerogams, V. By N. L. Britton 
CN es a ee a eS 25 cents, 
Review of the North American Species of the Genus Xyris. By Heinrich 
RICS | (ESO) Se see ee ee We ie ad ee 25 cents. 
A Preliminary List of the Species of the Genus A7eisomia 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 Rynchospfora occurring in North 
America: By Ns Ds Batten (1902) oor ee ae a 25 cents. 
Note on a Collection of Tertiary Fossil Plants from Potosi, Bolivia. By N. 
he, BUMLOU CI BOR ais eens Cee a etek ieee ace Wee: 25 cents. 
New or Noteworthy North American Phanerogams, VI. ByN. L. Britton 
CARON ey ee ae Maea: wh wane 25 cents. 
Ranunculus repens and its Eastern North American Alles. By N. L. 
Per TBO gs iy a etal 6 kia eee oe 25 cents. 
A Preliminary List of American Species of Polygonum. By John K. Small 
CIDOB Yo ic ee ag ea a Oe ee ae me 25 cents, 
A New Species of Listera, with Notes on Other Orchids. By Thos. Morong 
ESUOS eos sk eek ks So ae aS Fo ke . 25 cents. 
The N. American 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 Species of Polygonum. By John K. Small 
SNOT 6S is i ee ota SG ee 25 cents. 
New or Noteworthy North American Phanerogams, VII. By N. L. Britton 
COMO ree ge See . , , 25 cents. 
Contributions to American Bryology, II1I.—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- 
tem, < Be Goh Kc Swill. (4907)6 0 i 4 sos es 25 cents. 
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