1906] Collins, Intuition as a Substitute for Reference 77 



Utah. Most abundant from the Gulf of St. Lawrence to the White 

 Mountains. 



Var. pallens var. nov. Planta 3-8 dm. alta, culmis saepe scabris; 

 spicis cylindricis 1-1.8 cm. longis, squamis viridibus margine fulvis 

 vel flavescentibus. — Nova Scotia, peat bogs, North Sydney, July 

 11, 1883 {J. Macoun): Maine, Arbor Vitae swamps, Presque Isle, 

 July 12, 1902 {Williams, Collin.s; & Fcrnald); Arbor Vitae swamp, 

 Blaine (Fernald, no. 2038); bog, Crystal, June 24, 1898 (Fernald, no. 

 2036); sphagnous swamj), Sangerville, July 1, 1895 (Fernald, no. 

 254); Cedar swamp, Buckfield, July 1, 1878 (J. A. Allen, no. 21a.): 

 New Hampshire, Tuckerman's Ravine, July 11, 1895 (J. R. Church- 

 ill); Crawford Path, Mt. Clinton, July 18, 1895 (F. d- C. E. Faxon): 

 Vermont, Burlington, June 15, 1896 (A. J. Grout); Cedar swamp. 

 Fair Haven, June 27, 1899 {W. W. Eggleston): Massachusetts, 

 Washington, Berkshire Co., July 5, 1859 {IV. Boott): Connecticut, 

 sphagnous swamp, Norfolk, June 14, 1904 (C. //. Bissell): New 

 York, Big Square Pond, Adirondack Mts., July 2, 1899 {Rowlee, 

 Wiegand, & Hastings); Big Swamp, Orhkany {Knieskern): MicHi- 

 OAN, W^ashington (D. Cooley); deep swamp, Lansing, July 5, 1886 

 (L. //. Bailey, no. 101), June 24, 1892 (C. A. Davi^); Howell Junc- 

 tion, June 10, 1890 (C. F. Wheeler): Minnesota, Minneapolis, July, 

 1886 (//. M. Simmons): British Columbia, head of Deadman's 

 River, June 21, 1889 (,/. M. Macorin). 



Gray Herbarium. 



INTUITION AS A SUBSTITUTE FOR REFERENCE. 

 Frank Shiplf:y Collins. 



When a new genus is proposed, it is usual for the author to indicate 

 the derivation of the new name; and in manuals, floras, etc., these 

 derivations are often given for all the genera. Some authors, how- 

 ever, have neglected to give any explanation of their new names, so 

 that only more or less successful guesses can be made in subsequent 

 works. But when the later writer depends, as a rule, on his intuitions, 

 a comparison with the original description may show a curious differ- 

 ence, as seen in the two cases following. 



Among the few algae mentioned in Provancher, Flore Canadienne, 



