tt Leaves 2-pinnatifid. 
*2t05 of the middle pairs of pinnae fertile; pin- 
nae without an axillary tomentum. 
2. O. Claytoniana L. 
Osmunda Claytontana L.\.c. 1066. Eaton, |. c. 
I< 210. t. 20, ff. 1,2; in Gray 1. c. 693. Underw-~- 
mds Ps bs Nat. Perms 775 i Biitt.. se. As 
Clife,A. ©. 20. Waters, 1c. 303. 
CLAYTON’s FRRN. 
Plants 6--12 dm. high; leaves oblong-lanceolate, the 
pinnae 0.5 to 1.5 dm. long, the ultimate divisions round- 
ed; fertile leaves somewhat taller than the sterile ones; 
sporebearing pinnae reduced. 
In moist woods. May-July. 
** Fertile leaves distinct, stertle pinnae with an 
axillary tomentum. 
3. O. cinnamomea L. TA. : 
Filix botryitts Virginiana . . Moris. 1699. Hist. 
BeSO3 sectu IA t. 4.2.3) 
Osmunda arborea. . surculis sementferis radi- 
calibus. Gron.\.c.2: 196. 
O. cinnamomea L.\. c. Eaton, \. c. 227.t. 29. tf. 
22-54 10 Gray 1c. 693. -Underw. un Hl ie a: 
Go eNat, Ferns 775 1n-Britt: 1. e. 4. Clare, 1. -c. 
25. Waters, \. c. 307. 
CINNAMON FERN. 
16 
