194 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



[Vol. 9 



I (Mo. Bot. Gard. Herb.); Lower Basin Pond, Mt. Ktaadn, 

 15 30 August, 1902, Harvey 3 (Mo. Bot. Gard. Herb.); 

 growing in 18 in. water at unusually low stage of water, 

 Pushaw Pond, Orono, 17 September, 1905, Knight 14 (Mo. 

 Bot. Gard. Herb, and Gray Herb.). 



New Hampshire: Echo Lake, Franconia Mt., 17 September. 



, Engelmann (Mo. Bot. Gard. Herb.). 

 Vermont: near old mill, east shore and Long Cove, Willoughby 



Lake, 3, 5, 7 August, 1907, Winslow (Mo. Bot. Gard. Herb.) ; 



Willoughby, 2 September, 1900, Lovery (Gray Herb.) ; shore 



of Silver Lake, Leicester, 10 July, 1910, Button 187 (Mo. 



Bot. Gard. Herb.). 



Massachusetts: Fresh Pond, north side, 20 August, 1867, Boott 



II (Mo. Bot. Gard. Herb.); same station and date, without 



number (Gray Herb.) ; same station, 12 August, 1808, Boott 



(N. Y. Bot. Gard. Herb.); Uxbridge, without date, Robbins 

 1 (N. Y. Bot. Gard. Herb.). 



New York: Catskill Mts., Schweinitz (Mo. Bot. Gard. Herb.), 



probably type; Third Lake, Fulton Chain, September, 

 1899, Underwood (N. Y. Bot. Gard. Herb.); Clear Lake, 

 south of Elk Lake, Adirondacks, 4 September, 1894, Britton 

 (N. Y. Bot. Gard. Herb.). 



Michigan: small lake near Douglas Lake, Cheboygan Co.. 



August, 1918. Praeger (Mo. Bot. Gard. Herb.) ; Isle Royale, 

 6 August, 1901, Cooper 26 (Gray Herb.); in 1-2 ft. water, 

 Vincent Lake, Cheboygan Co., 15 August, 1917, Ehlers 621 

 (Gray Herb.); Vincent Lake, 30 July, 1918, Ehlers 817 

 (Mo. Bot. Gard. Herb.). 



Minnesota: Devils Track Lake, Cook Co., 28 August, 1901, Lyon 



(M<>. Bot. Gard. Herb.). 



54a. Fcrma hieroglyphica Pfeiffer, comb. nov. 



/. hieroglyphica Eaton, Fernwort Papers, 10. 1900. 



Habit of the species; megaspores 5G0-720 [i in diameter, rare- 

 ly less, marked with prominent rounded or smooth ridges, slight- 

 ly reticulate on upper faces, decidedly so on lower, sometimes 

 naked near commissural ridges; microspores as in species. 



Specimens examined : 

 Maine: St. Francis Lakes between Maine and Canada, 31 July, 



1880, Pringle (Mo. Bot. Gard. Herb., U. S. Nat. Herb., Gray 



