252 Rhodora . [OcronkR 
stipiform base; bristles 6, rather stout, retrorsely barbed, 2 or 3 
surpassing the achene. — Fl. i. 55; Gray, Man. 527; Torr. Fl. N. Y. 
li. 352, t. 139; Britton, Trans. N. Y. Acad. Sci. l. c, in part, and 
in Britton & Brown, l. c., fig. 616. S. supinus, f, Boeckeler, l. c. — 
Sandy or muddy shores from Industry, Maine (Fernald) and 
Burlington, VERMONT (Zggleston) to Minnesota (Hale) and the 
Gulf of Mexico. 
Var. Williamsii. Bristles entirely wanting: otherwise like the 
species.— MASSACHUSETTS, sandy shore of Massapoag Lake, Sharon, 
Sept. 7, 1901 (Æ. F. Williams & M. L. Fernald). 
+ + Achenes plano-convex, one face distinctly flattened. 
S. SMITHII, Gray. Slender, 0.5 to 4 dm. high; the erect involucral 
leaf usually one-half to one-third as long as the true culm: spikelets 
1 to 5, ovoid-oblong, acutish, 0.5 to 1. cm. long: scales oblong- 
ovate, greenish or brown-tinged: achenes cuneate-obovoid, smooth 
or minutely pitted; bristles none or minute rudiments.— Man. ed 5, 
563; Britton, Trans. N. Y. Acad. Sci. l. c., & in Britton & Brown, l. 
c. fig. 617. C. debilis, Britton, Trans. N. Y. Acad. Sci. l. c. as to 
Maine plant, not Pursh.— Shores, Marne, Harrison, 1871 (J. Blake): 
VERMONT, Ferrisburg, Sept. 14, 1881 (Æ. & C. E. Faxon): RHODE 
IsLAND, Great Pond, South Kingston, Oct. 25, 1880, and Lake Wer- 
den, Aug. 24, 1881 (Æ. & C. E. Faxon): New YORK, Sacketts 
Harbor, Lake Ontario, 1833 (4. Gray, Gram. & Cyp. no. 135) ; 
Sodus Bay, Lake Ontario, 1866 (J. A. Paine ); Stirring Lake, 1878 
(H. L. Hoysradt) : New Jersey, Delaware River, Red Bank, July, 
1865 (C. E. Smith) ; Camden, Oct. 7,1877 (C. F. Parker): PENN- 
SYLVANIA, Schuylkill River, Penrose Ferry, Sept. r4, 1867 (C. Æ. 
Smith); Presque Isle, Sept. 4, 1868 (7: C. Porter): MICHIGAN, 
Pine Lake, Ingham Co., July 25, 1891 (C. F. Wheeler). 
Var. setosus. Perianth of 4 or s slender retrorsely barbellate 
bristles mostly exceeding the achene.— ILLINOIS, Augusta, 1845 
CS. B. Mead). 
GRAY HERBARIUM. 
SEVERAL UNCOMMON FERN-ALLIES FROM NORTHWESTERN Mass- 
ACHUSETTS — A few pteridophytes found in and about Williamstown 
in the summer of 19or, which appear to be rare in the state seem 
worthy of record. 
Toward the end of May, while collecting mosses and hepatics 
about the base of Mt. Greylock, I was fortunate enough to find a num- 
ber of minute specimens of Botrychium simplex, E. Hitchcock. They 
