2. D. simulata Davenp. 
Aspidium simulatum Davenp. 1894. Bot. Gaz. 
EQ= 407.)-Clute, 1c. 122. 
Dryopteris simulata Davenp.\.c.as syn. Under. 
in Il]. Fl. 1: 16; Nat. Ferns 111; in Britt. Man. 
Te. 
Nephrodium simulatum Davenp.\. ¢. as synon. 
Waters, \. c. 205. 
MASSACHUSETTS FERN. 
Plants 6 dm. or higher ; leaves oblong-lanceolate; pin- 
nae 7 cm. or less in length, acuminate, deeply pinnatifid ; 
ultimate segments oblong, obtuse; sori small. 
In low, moist woods. 
Glen Burnie, Md., W. Maxon. 
*** Tower pinnae stalked, 1-2 cm. wide. 
3. D, thelypteris (L.) A. Gray. 
Lilix pumila palustris Virginiana. . Pluken. 
PVM eG. avtstse 20400. a: 
Acrostichum thelypterts L.\. ¢. 1071. 
Aspidium thelypterts Sw.\. c. 40. Faton, \. c. 
L233) 20) ii Gray, 116.000. Clute, lc. Liz. 
Nephrodium thelypterts Desv.\. c. 257. Waters, 
Oh. Kole), 
Dee. thelypteris A. Gray, 1848. Man. 630. 
Crderuang Mil): 55 Nate ern. anit = am 
Britts Wc. 14. 
Marsu FERN. 
40 
