5 
ALLOSUEUS CEISPUS. Berxilvrdi. 
( Parsley Fern or Rock Brakes.) 
Derivation of Name. From alios., various, and soras, a heap, 
in allasion to the altered appearances of disposition pre- 
sented by the sori in the stages of their development. 
SYNONYMES. 
OsMTTNDA Crispa. Liunccus, Liglitfoot, Hudson^ Bolton. 
Eteris Crispa. Wither mg, Smith. 
Cryptogamma Crispa. Mackay, Francis, Hooker and Arnott. 
DESCRIPTION. 
Caddex, short and decumbent, with numerous fibrous 
roots. 
Fronds, Barren and Fertile. Two or three times pinnate, 
ovate, or oblong in general outline; ’with the pinnae pin- 
nules and lobes of the barren fronds all alternate, the ultimate 
dmsions wedge shaped and cleft or toothed; generally 
crisped. Fertile fronds taller than the barren, being fi’om 
two inches to a foot high. 
Veins. Midvein fiexuous with alternate lateral veins, 
dmded shortly after leaving the midvein, the branches 
bearing the 
Spore Cases of nearly circular form and naked, soon 
