TAB. CVI 





CYATHEA SINUATA. 



FILICES. — Gyrat^. Br. Polypodiacej:. Kaulf. Filices verae. Willd.,Spreng. 





Gen. Char. CYATHEA, Sw. Sori globosi dorsales distincti, divisura vel medio venge insidentes 



Involucrum infra sorum insertum, transversim aequaliter vel laceratim dehiscens. 



Cyathea sinuaia ; frondibus simplicibus lanceolatis sinuatis costatis venosis, soris in medio venarum 



lateralium. 



Hab. In Zeylona, ubi Pas-dum-Karle dicta. Emerson, M.D. 



Caudex ? erectus. 



Stipites breves, versus apicem caudicis inserti, sparsi, nigro-fusci, nitidi, glabri, paululum muricati, inferne 



dilatati. 

 Frondes plurimae, versus apicem caudicis congestae, pedales, sesquipedales, coriaceo- membranaceae, glabrae, 



lanceolatae, basi apiceque attenuatae, margine sinuato-lobatae, lobis superioribus obsoletis, ad summum 



apicem serratae, costatae, venosae, venis pinnatim ramosis, ramis soriferis. 

 Sori, semper in venis lateralibus et medium versus, inserti. 

 Involucrum infra sorum insertum, exacte globosum, membranaceum, reticulatum, transversim sed irregulariter 



dehiscens, parte inferiore persistente pateriformi, margine magis minusve lacerato. 

 Receptaculum capsuliferum, hemisphaericum. 

 Capsutce sphericae, annulo fere completo cinctae, pedicellatae. 

 Fig. 1. Portio fructificans frondis. f. 2. Sorus dehiscens. f. 3. Pars inferior persistens pateriformis involucri, 



cum receptaculo capsulisque. f. 4. Capsulae : — magn. auct. 



The old genus Cyathea of Sir J. E. Smith has been divided by Mr. Brown ; and the true Cyatheas 

 are by him considered to be C. arborea, dealbata, medullaris, affinis, &c, in all of which, as well 

 as in four other undescribed species, there is a spherical involucre, bursting transversely and equally, 

 in a lacerated manner, inserted upon the forking of a vein ; — but, observes Mr. Brown, in a fifth 

 species from the Molucca Isles, the involucre arises from the middle of a vein, " at quoniam haec 



■ 



a congeneribus diflfert pinnis integerrimis subensiformibus sorisque sparsis, legem insertionis 

 haud multum infirmat." To this Cyathea from the Molucca Isles, alluded to by Mr. Brown, our 

 C sinuata is, in all probability, closely allied, if it be not ^he same species. It is quite unlike 

 any hitherto described one ; and we regret not to have seen more perfect specimens than those 

 here figured, which give no idea of the height of the caudex, or the thickness to which it may 

 be supposed to arrive. * 



