PTERIS. 177 



and ramification of the frond, the villous surface, the short sori, are quite peculiar- 

 It has no spiuules at the base of the lobes. 



It is remarkable that so common a species as this evidently is should not have 

 found a place in Agardh's ' Ilecensio Specierum Generis Pteridis.' He probably 

 considered it a Lonc/ii/ is ; and it is, we presume, the Lonchitis hirsuta, L., of 

 Grisebach's ' Plantai Caiibetc.' 



34. Pt. (Eupteris) maraitiafolia, Hook. ; frond (a portion 

 probably only under examination) broad-ovate acuminate 

 submembranaceous firm glabrous pale green bipinnate, pri- 

 mary pinna3 petiolate ovato-lanceolate, secondary or pinnules 

 moderately distant 2-.3 inches and more long less than half 

 an inch broad lanceolate sharply acuminate and serrated 

 especially at the apex sessile the base obliquely cuneate and 

 decurrent so as to form a very narrow wing on the rachis 

 but not extending to the pinnules beneath except in the su- 

 perior ones, terminal leaflet longer and more acuminate than 

 the rest, lowest pinnule of the inferior pinnae with a lobe or 

 auricle on the upper base, veins conspicuous slightly elevated 

 on the under side forked free, involucre narrow formed of 

 the dilated margin of the pinnule membranaceous in inter- 

 rupted lines and scarcely continued beyond the middle or 

 lower half of the pinnule, stipes (?) and rachis stramineous 

 glossy. (Tab. CXXII. B.) 



Hab. Chiloe, Capt. Philip Kint/, R.N. — A most distinct and well-marked spe- 

 cies, of which the only specimens I have ever seen are those given me Ijy Capt. 

 King, and Mr. J. Smith's specimens derived from the same source. The name 

 maratticefolia is expressive of the nature of the pinnules of this plant, which are 

 moreover conspicuously veined very much in the same manner as in that genus. 

 The sori sometimes continue uninterrui)ted for nearly two-thirds the length of the 

 pinnule, but they are more frequently broken into short lines. It is probable that 

 better specimens will exhibit a more compound nature, for, in our incomplete one, 

 the lowest pinnules have an auricle or lobe at the superior base, indicating a dis- 

 position to further division. All the veinlets are clavate and pellucid at the apex, 

 and do not attain quite to the margin. 



{Fronds pinnate ; pinnce deeply pinnatifid, all uniform, not again pinnated.) 



35, Pt. (Eupteris) patens. Hook. ; frond ample ei^ect strict 

 membranaceous dark- (when dry blackish-) green pinnate, 

 pinnae alternate very long (8-12 inches) strict horizontally 

 patent numerous approximate elongato-oblong acuminate 

 rarely subcaudate sessile or lower ones shortly petiolate 

 deeply pinnatifid almost to the very rachis, segments hori- 

 zontal very uniform linear scarcely acuminate obtuse often 

 opposite sterile ones serrulate the base dilated decurrenti- 

 confluent on both sides especially at the lower base some- 

 times apart, veins all free simple or once or twice forked. 



