90 
SYNOPSIS OF SPECIES. 
A.—Sporocarps numerous, attached to the stipes in a row 
by short horizontal peduncles - - - polycarpa. 
Sporocarps on erect or ascending peduncles, arising 
from: the base ofthe stipe... oP Ag 
B.—Sporocarps 2-6 on each peduncle - - - - - - - G 
Sporocarps 1 (rarely 2) on each peduncle =<. > 
€.—Plant robust, hairy ; sporocarps 2-6; sori, 10 in each 
TN eee ee ee, macropoada. 
Plant more slender, smooth ; Sporocarps 2-3; sori, 8-9 
ML PACH VAIO es Et ae quadrifolia. 
D.—Peduncles 2-4 times the length of the sporocarps; sori, 
‘ 13-14 in each valve - - - - = WM. uncinata. 
Peduncles shorter, not more than twice the length of 
the sporocarps ; sori, 6-11 in each valve - MW. vestita. 
1.—M. polycarpa, Hooker et Greville, Icones Filicum, II., tab. 160 (1831); A- 
Braun, Monatsberichte der KGnigl. Akad. der Wissens. zu Berlin, 1863, 417; ibid, 
1870, 772. 
HAB.—Cuba (Wright, Nos. 1799 and 1800) ; Jamaica (Ar- 
nott)#; Guiana (Arnott)+ plant very large ; Brazil (Burchell, No. 
9488 *, Blanchet +). 
2.—M. quadrifolia, Linnzxus, Species Plantarum, Ed. I; Gray’s Manual, sth | 
Ed., 678; Underwood, Our Native Ferns and their Allies, 115. 
M. quadrifoliata, Linn., Sp. Plant., Ed. IL; A. Braun, Monatsb., 1863, 418; 
1870, 724; 1872, 658. 
Plant usually slender, 5-12 cm. high ; leaflets variable, 4-14 _ 
mm. wide, 5-15 mm. long, margins entire, smooth, or rarely with 
_ Scattered hairs when young ; Sporocarps 2 (rarely 3), ona branch- 
ing peduncle, which is usually attached to the stipe near its base, 
but sometimes as much as 2 cm. above; young sporocarp with — 
short yellowish-brown hairs, later becoming naked and dark 
purple; lower tooth obtuse, upper small, acute or obtuse ; sori, 
8 or 9 in each valve. 
HaB.—Bantam Lake, Litchfield Co., Conn., (Dr. T. F. Allen, 
1861), from whence it has been c 
: ultivated in several localities ; 
Europe; Asia. 
* + References marked with a* 
; are found in the G ey, ed: 
with at are in the Columbia College ¢ Gray Herbarium; those mar! 
Herbarium; those unmarked are in both. 
