METASPERMAE OF THE MINNESOTA VALLEY. 
*Lapham: Cat. Pl. Minn., Rep. Minn. Hort. Soc. (1875). 
951 species noted as growing in Minn. 
*Twining, Winchell, Harrington, Sperry, Juni, Roberts, Gar- 
rison: In vols. I-IX, Ann. Reps. Geol. and Nat. Hist. Survey, 
N.H. Winchell, State Geologist (1872-1880). 
Dawson: Bound. Rep., pp. 351-379 (1875). 
289 sp. Phanerogams from Canadian line. 
Chickering: Pl. Coues, Red river coll., U.S. Bound. Comm. (1878). 
96 species from boundary region near Pembina. 
*Cathcart: Ferns of Minn., Bull. Minn. Acad. Sci. I., 303-304 (1877). 
30 species and 3 varieties. 
Manning: Wild Flowers of Lake Pepin valley, Rep. Mion. Hort. 
Soc., pp. 83-116 (1884). 
Catalogue of 504 species. 
*Upham: Catalogue of the Flora of Minnesota; Geol. and Nat. Hist. 
Survey, Rep. XI (1883); reprinted (1884). 
1650 species of flowering plants and Pteridophyta, This very valua- 
ble work is a complete compilation from preceding papers and 
contains much additional information. 
Arthur: Rep. Botan. Work in Minn. for 1886, Bull. 3, Geol. and Nat. 
Hist. Survey of Minn. (1887). 
Includes work by Holway, Bailey, Upham and others. 750 sp. listed 
from N. Minnesota. Camp located in 48° N. lat., near Lake Vermil- 
ion. This list is important, not only as a contribution to our 
knowledge, but because it is the only list yet published based en- 
tirely on herbarium material which is preserved by the stute. 
*Upham: Suppl. Minn. Flora, Bull. 3, Geol. Nat. Hist. Surv. (1887). 
*Britton and others: Torrey Bulletin—papers on generic revision 
often contain notes on Minn. forms. (1884—). 
*Botanical Gazette papers: Many notes and references to Minne- 
sota plants are scattered through this publication. (1885—). 
*MacMillan: E. extension of Pentstemon albidus, Torr. Bull., Oct. (1890). 
Id. Note ona Minn. species of Jsaria and an attendant Pachybas- 
ium, Journ. of Mycology, vol. VI, No. 2 (1890). 
Id. Note on a new species of Actinoceps, B. and Br., Am. Naturalist, 
Aug. (1890). 
fd. Notes on some Phanerogams of Central Minnesota, Bot. Gazette, 
Dec. (1890). 
Id. Salvinia natans in Minnesota, Torr. Bull., Jan, (1891). 
Id. Some notes on parasitic fungi affecting the leaves of Sarracena 
purpurea in Minnesota, Torr. Bull., July (1891). 
*Id. Les Plantes Europeénes introduite dans la valleé du Minnesota, 
Rev. Gen. de Botan. No, 34 (1891). 
E. J. Hill: Pinus Banksiana in the West, Torr. Bull , Mar. (1890). 
Id. Zizania as found by the explorers of the N. W., Torr. Bull., Feb. 
(1891). 
Id. Flora of St. Croix region, Bot. Gazette, May (1891). 
Id. Flora of the Lake Superior region, Bot. Gazette, June (1890), 
and fol. 
*Leiberg: Fi. Dak. and Mont., Rep. Minn. Hort. Soc., pp. 361-367 
(1884). 
Trelease: Revision of Bpilobium (1891), 
References to Minnesota material. 
