26 



F1LICES. 



a little over half way to the costa ; the segments oblong, subfalcate, 

 their margins ciliate with short silvery hairs. Ehachis hirsute on the 

 upper side. 



3. Leptogramma asplenioides, Kl. 



Ceterach aspidioid.es, Willd. Spec. PL 5, p. 137 ; Raddi, Plant. Brasil. p. 10, t. 

 21, f. 1. 



Hab. On the Corcovado, Rio Janeiro, Brazil. 



8. STEGNOGRAMMA, Presl, J. Sm. 



1. Stegnogramma Sandwicense, Sp. Nov. (Tab. 4.) 



S. subarborescens ; trunco brevi erecto; stipitibus semiteretibus sulcatis 



paleaceo-hirsutis ; frondibus pinnatis ; pinnis sessilibus horizontalibus 



lanceolatis attenuatis arcuatis basi subauriculatis truncatis ; rJiachi 



trisulcata costa venisque piloso-liirsutls ; venulis externis nervo intra- 



rnarginali conjunctis. 



Hab. Hawaii, Sandwich Islands; near the crater of Kilauea, in 

 dry woods. 



Trunk 18 inches high, stout and erect, crowned by a number of large 

 spreading fronds. /Stipe li to 2 feet in length, thick, half round, with 

 a single groove in front, paleaceous at the base, and thickly furnished 

 upwards with pale hairs. Fronds pinnate, 2 h to 3 feet long; the 

 pinnoe sessile, lanceolate, attenuate, arcuate, somewhat truncate at the 

 base, spreading at right angles with the rhachis, distant at the base of 

 the frond, alternate or opposite, from 8 to 10 inches long and 12 to 15 

 lines broad ; the crenatures of the margin large and round. Rhachis 

 in front trisulcate, and, together with the costa and veins on both sides 

 of the frond, pilose-hirsute. Exterior veinlets connected by an, intra- 

 marginal nerve. Sporangia nearly sessile and echinate. 



