Ttt Serile leaf-segment pinnattfid to 2-pinnaie. 
4. B. neglectum Wood Pies 
Botrychium neglectum Wood, 1846. Class-beok 
635. Underw. in Britt. 1. c. 1037; Nat. Ferns 70. 
B.matricariaefolium of Amer. authors. Hefon, i. 
c. 129. t. 17. ff. 9--14; in Gray |. c. Usderw. in 
TW Piet 23. @ Clute, lc. Go. Waters, Cuno. 
Crapk Frnrn. 
Plants 0.5--2 dm. or higher; the sterile segment very 
variable, borne above the middle of the petiole, the ulti- 
mate divisions lobed or entire; sporophyll 2-pinnatifid, 
the lowest branches nearly equalling the central one. 
Towson, Md., Waters; Washington, Mfrs. Steele. 
Tttt Sterile leaf-segment palmately divided. 
5. B. lanceolatum (S. G. Gmelin) Angstr. 
Osmunda lanceolata Gmel, 1768. Nov. Com. Ac. 
Retrop.. (255580. ty tanto? 
Botrychium lanceolatum Angstr. 1854. Bot. Not. 
G3" auton, Vier 23 t. 5, imuGuav lee. Oo4y 
Under.in Il. Fl. 1: 4; Nat. Ferns 71; in Br itt. 
le. 3-.Clute, Vic. 59.) Waters. le. 420) 
GrapPpeE FERN. 
Plants 1 dm. or higher ; the divisions of the sterile seg- 
ment pinnate--2-pinnatifid , spreading, lobes acute; mid- 
veins of the divisions continuous ; fertile segment short- 
stalked, slightly exceeding the sterile one, 2--3-pinnate. 
Wiele, Va., Paul Bartsch. 
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