200 PTERIS. 



opaca, sed olivaceo-viridi, subtus pallidiore et insigni modo nitidula, racliesque 

 lion ebeneaj seu atro-purpureiu, validae, sed luride lufescentes graciles." — Kunze 

 had seen but one specimen, and it were to be wished he had been more expHcit 

 as to its distinctness from the Pt. Capensis of Tliunl)erg and Schlechtendal, for 

 the ditierenees he mentions are in contrast with Pellcea consoh-inn, Kze. 



65. Pt. (Ornithopteris) psittacina,* Pr. ; "fronds ovate 

 tripiunate, pinnae subopposite, pinnules adnate lanceolate 

 rugose filiate, inferior ones of the lowest pinnte inciso- 

 serrate, rachises pubescent, stipes angled." — Pr. Delic. Frag. 

 1822, p. 185. Allosorus psittacinus, Pr. Tent. Pteridogr. 

 p. 153. Ag. Sp. Gen. Pterid. {in note), p. 47. 



Ilab. Rio Janeiro, Presl. — The author places this next to PL aquilina in his 

 ' Pteridographia,' and that is all we know of its affinities. 



6G. Pt. (Ornithopteris) scalaris, Moritz ; straggling sub- 

 scandent caudex very long creeping villoso-paleaceous, 

 frond decompound (young plants quite glutinous) re- 

 peatedly pinnate everywhere clothed with glandular viscid 

 rufous hairs, primary pinnae 2 feet and more long the 

 branches flexuose intricate, but they and the subdivisions 

 and even the pinnules distant from each other coriaceous 

 rigid, ultimate pinnules from h to an inch in length ovate 

 subacute or deltoid-oblong sessile pinnatifid in the lower 

 half ovate, veins sunk obsolete, involucres double, outer 

 formed of the membranaceous dilated recurved margin of 

 the frond continuous round the lobes and to the apex, inner 

 membranous as large as the outer, stipes and very flexuose 

 rachis ferruginous glanduluso-villous. (Tab. CXXI. B.; — and 

 Tab. CXLI. C. in Vol. III.)— Moritz, Fit. Venezue/ce, n. 399, 

 in Herb. Nostr,, name only. Pt. glutinosa, /. Sm. MS. 



Ilab. High mountains of Jamaica, JJlles, Macfadyen ; Venezuela, Colony of 

 Tovar, Moritz, Fendler, n. 94. — This very remarkable Fern, which, since my 

 first knowledge of it, I had no liesitation in referring to the Aquilina or Or- 

 nithopteris group, has been hitherto only found in Jamaica and Venezuela. Fine 

 specimens are in my herbarium from Dr. Macfadyen, and Mr. J. Smith's collec- 

 tion contains equally perfect ones from Mr. Wiles, who has accompanied 



* This and the preceding species and the Pt. Feel of Schaffner, may probably 

 be considered as belonging to Pt. aquilina ; but I cannot speak of them on any au- 

 thority, having never seen specimens. — " Pt. (Aquilinas) Feei, Schaffn. ; stipe et 

 rachis jaunatres, port et dimensions du Pt. aquilina, L., lames tomenteuses minces 

 en dessous, glabriuscules en dessiis, a segments fructiferes complctcment envahis 

 par les sporotheces, lesquels pour s'unir, semhlent descendre jusqu'au fond du sinus, 

 sporangcs dores, nervilles nombreuses et tres-serrees. Fee, Fil. Sme Mem. p. 73. 

 Hab. Mexico, near Iluatusco, n. 138 and 144, and at Popocapetl, n. 186, 

 Schaffner. — Dimensions inferieures a cclles dcs Pt. aquilina, L., et lanuginosa, 

 Bory ; le stipe, tomenteux a la base, ne presente dans sa coupe aucun arrange- 

 ment comparable a celui du Pt. aquilina." Fe'e. 



