Ttt Sercle leaf-segment pinnatifid to 2-pinnate. 
4. B. neglectum Wood Pl. 3. 
Botrychtum neglectum Wood, 1846. Class-book 
635. Underw. in Britt. 1. c. 1037; Nat. Ferns 79. 
B.matr Ti a of Amer. authors. Haton, i 
c. 129. t. 17. ff. g--14; in Gray |. c. Underw. in 
Ul. FL Tet 3e Chite lcs 00. Werers.\. €.322, 
Crapt FEern. 
Plants 0.5--2 dm. or higher; the sterile sezment very 
variable, borne above the middle of the petiole, the ulti- 
mate ecetece lobed or entire; sporophyll 2-pinnatifid, 
the lowest branches nearly equalling the central one. 
Towson, Md., Waters; Washington, A/rs 
s. Steele. 
{tit Sterile leaf-segment palmately divided. 
5. B. lanceolatum (S. G. Gmelin) Angstr. 
Osmunda lanceoiata Gmel, 1768. Now Coma Ac; 
Peon 12151, bette at. 2 
Botrychium bees Angstr, 1854. Bot. Not. 
68. Eaton, }. C133. 4.5.47. Groylice: 694. 
OUnder.in Il. Fi. om Nat. Ferns ue eth Beate: 
le G23 Cluze. lec: Be Waters, \. c. 320. 
GrapE 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 
2--3- pinn: ate. 
Wiele, Va. .» Paul Bartsch. 
13 
