Yale University Herbarium

YU.016834

PLANTAE EXSICCATAE GRAYANAE

1004. Dryopteris spinulosa (O.F.MUELL.) WATT.,
Var. americana (FISCH.) FERNALD

In Rhodora, xvii. 48 (1915); Weath. in Amer. Fern. Journ. xxvi. 68 (1936).

Syn. Aspidium spinulosum americanum Fisch. ex Kze. in Amer. Journ. Sci. ser. 2, vi. 84 (1848); Tilton, Fern Lov-er's Companion, 151 (1922) (as var. americanum). A.campyloplerum Kze. l.c. (nomen provisorium). A.spinulosum var. dilatatum f. anadenium B. L. Robinson in Rhodora, ix. 84 (1907); Robinson & Fernald in Gray. Man. ed.7, 43 (1908). *Dryopteris dilatata* var. americana (Fisch.) Benedict in Amer. Fern Journ. vi. 84 (1916). *Filix spinulosa* var. americana (Fisch.) Farwell in Ann. Rep. Mieh. Acad. Sci, xviii. 82 (1916). *Thelypteris spinulosa* var.americana (Fisch.) Weath. in Rhodora, xxi. 178 (1919); Victorin in Contrib. Lab. Bot. Univ. Montréal, ii. 53 (1923); Fernald in Rhodora, xxviii. 147 (1926). *T.dilatata* var. americana (Fisch.) House in New York State Mus. Bull. cexxxiii-cexxxiv. 69 (1922). *Dryopteris campyloptera* (Kze.) Clarkson in Amer. Fern Journ. xx. 118 (1930); Small, Ferns Vic. New York, 109 (1935) and Ferns Se. U.S. 290 (1938); Wherry, Guide to east. Ferns, 129 (1937); Broun, Ind. N. Am. Ferns, 63 (1938). *D.americana* (Fisch.) Clute, Our Ferns, 184 (1938) (nomen provisorium).

Forming rather regular crowns from short creeping rhizomes.

Moist woods of spruce and birch, Grand Manan, New Brunswick, CANADA.

Coll. C.A. & UNA F. WEATHERBY. August 7, 1940.

HERBARIUM OF YALE UNIVERSITY