CHARACTERS OF TRIBES AND GENERA. 293 



As a genus Lonchitis is distinguished from Litcibrochia by 

 the sori being seated in the sinus of the lacinse, thus form- 

 ing a semicircle or crescent, and also in the pubescent 

 character of the caudex and fronds. 



In the " Species Filicum " six species are described, but 

 which in the " Synopsis " are reduced to one, a new 

 described species is, however, added, namely, L. occidentalism 

 Baker. The following species appear to me to be specifi- 

 cally distinct, two of which have been under my notice in a 

 living state. 



L. aurita, Linn. (L. Lindeniana, Hook.) (v v.) ; L. pubes- 

 cens, Willd. (v v.) ; L. Natalensis, Hook. 



The first is a native of Mauritius, the two latter of 

 Mauritius and Natal. 



167. CAMPTERIA, Presl. (1836). 

 Pteris sp. auct., Hook. Sp. Fit. 



Vernation fasciculate, erect. Fronds long stipate, pin- 

 nate, 2 to 3 feet high ; pinnse pinnatifid, the lower pair bi- 

 partite, or with one or more pinnules on the inferior side ; 

 lacinaa linear oblong, falcate, entire, or serrulate. Veins 

 forked, the lower pair of venules anastomosing, forming a 

 straight arcuate costal arch between the bases of the lacinse, 

 the rest of the sterile venules being free, the apices of the 

 fertile combined, forming a linear, transverse, marginal 

 sporangiferous receptacle, seated in the axis of an inflexed 

 linear, special indusium. 



Type. Pteris biaurita, Linn. 



Illust. Hook, and Bauer Gen. Fil., t. 65, A. ; Moore Ind. 

 Fil., p. 31, A. 



OBS. The species on which Presl founded this genus 

 agree in general habit with Pteris quadriaurita and its 



