svxopsis pmxtarc.ii icotyledo.vearcm vascumridm 2 2 D 



Asplcnium adiantum nigrum vai: a.— Guss. syn. fl. sic, 2, part, 2, p. 662. 



Filieula quac Adiantum nigruin officinarum pinnnlis obtusioribus Cup. pa/nph, sic, 2, 

 tab. 108? . 



fi nigrum Heufl, Aspi. spec. in Verhandl. 6 , ami. 1856 , p. 313, — Tod. munì, 

 fl. sic. 1, p, 23, 



Àspleniuin adiantum nigru'm Lin. sp.'pl. edit, 1, p, 1081, — Sadl, fiUc, Hwngar. 

 p. 51, n, IO, — Ucria hort. reg. pan. p, 434.— Bert. fl, iteti, crypt. pan 1, p. 74, 

 u. 9. 



"Asplenium adiantum nigruni var. Full, fl. ver. 3, p, 289, tab, 2, fig. 2. 



Àspleniuin adiantum nigrum fi vnlgare Guss. syn. fl. sic. 2, part, 2, p. 662. 



Adiantum nigrum Cast, liort, mess, p, 1. 



Adiantum album teuiiifolium ad Ruiam murariam accedens I, B. Dryopteris nigra 

 Dod. Lngd. Gap. hort. cath. p. 3. 



7 onopteris Heufl. Aspi. spec. in Verhand. 6, ami. 1856, p, 311, — Tod, enum, 

 fl, sic. 1, p. 24. 



Àspleniuin acutum Bory in Willd, sp, pi. V, p. 347.— -Sadl. filic. Hangar, p. 31. 

 — Fóe yen, fil, polyp, p, 189, 



Aspleuium Virgilii Bory exped. morav. voi, 3, p. 289.— Guss . syn, fl, sic, part, 2 

 .p, 662 et 663, 



Asplenium davallioides Tauscli, fior. 1839, 11, 479. 



Aspleuium adiantum nigrum fi Virgilii Willk, et Lang, fl, hisp, prod, p. 7. 



Frondes e rhizomate plures, coespitosae, erectae vel declinatae, inaequales , semi- 

 pedales, pedales, et ultra. Stipes iuferne purpurascens, nitens, nudus vel paleis pau- 

 cissimis linearibus adspersus, elongatns, parte foliacea saepe longior in var, v, longior 

 vel subaequalis in var. fi ; subaequalis vel brevior in var. a. Pars foliacea 3-4-pin- 

 nata in var. y; tripinnata, vel tripinnatifida, vel tantum pinnata in var. fi; bipinuata, 

 vel bipinuatifida in var. a; in omnibus varietatibus a basi versimi apiceni seusim de- 

 crescete, ut apice tantum pinnata vel pinnatiflda : ambitn triangulari-ovata, cimi apice 

 in var. <* obtusiusculo, in var. fi acutiusculo; varietas > in apicem desinit in pinnam au- 

 gustam, valde elongatam, praeditam piuuulis eodem modo angustis ac elougatis. Pinnae 

 prope apicem circumscriptiouis frondis crebrae, inter se approximatae, in a rectìusculae, 

 in fi subcurvatae, in > fere snbarcnatae; in a late ovato-lanceolatae, in fi ovato-lan- 

 ceolatae, in > oblongo-lanceolatae et longissime acuminataci in a. pinnatifìdae, laciniis 

 plus minusve sectis , apice obtusis, 3-5 lineas latis ; apice acutis in var. ?; pinnae 

 inferiores bi-tripinnatae, pinnulis anguste lanceolate, 1-% lineas latis, acute inciso- 

 dentatis. Pinnulae superiores in .var. a et fi in rachide plus minusve exenrrentes. Spo- 

 rothecia in var. y lineari-oblonga , confluentia , totani pinnulae paginam inferiorem 

 occupantia, in fi latiora, serius confluentia , et totani paginam inferiorem quandoque 

 undique tegentia, in a breviora, rotundiora, et serius quam in var. fi confluentia. 



In rupibus calcareis , in vulcanicis umbrosis , ad muros , in agrorum margìnibus. 

 Var. a passim in Sicilia, et in insulis minoribus Ustica, Filicuri, Saline, Panaria, 

 Lipari; var. fi Palermo, Benda, Pizzuta, Messina, ac in insula minore Pantelleria ; 



(Stori), di Scienze Nalur. ed Econom. Voi. I. 36 



