37 
BOTEYCHIUM LUNAELl. Swartz. 
f Moomoort.) 
Derivation of Name. From tlie Glreek, hotrys, a bunch, of 
grapes, on account of the appearance of the clusters of 
capsules. 
SYNONYME. 
OsMiJNDA Lunaria. Limceus^ Lightfoot, Hudson^ Withering^ 
Smith. 
DESCRIPTION. 
Catjdex short with roots branching from it in a some- 
what whorled order. 
Frond compound, consistmg of a barren and fertile 
branch. Barren branch leafy and pinnate with half-moon 
shaped pinnae, sometimes mucb divided and at others only 
crenate ; they are sometimes partially fertile. Fertile branch 
consistmg of the clusters of spore cases more or less 
branched. The stalk is covered at the base with brown 
sheaths. The frond springs about May and withers towards 
the end of August ; and grows from one inch to eight inches 
high. 
Veins of the barren branch rising from the base of the 
pinnules and irregularly forked. 
Spore Cases globular and two valved, which when mature 
open transversely and allow the seed to fall. 
