64 



§. 2. FOLIA DIFFORMIA. 



15. Blechnum Patersonn. 



Trimcus erectus, paleis nigrescentibus, rigidis, lanceolato-setosis, tectus; folia erecta; sterilia breviter petiolata, 5 — 8" longa, 6 — 7'" lata, rigide 

 membranacea, scabriuscula, lanceolata, versus basin sensim longe attenuata, apice breviter acuminata, raargine undulato crenulato - serrata , indivisa vel 

 irregulariter laciniata; nervi Taeniopteridis, apice in dorso crenarum, Incrassati ; folia fertilia longius petiolata, 1' longa, l l / 2 — 2 '"lata, linearia, indivisa 

 vel pinnatipartita; laciniae ala manifesta confluentes, infimae longe decurrentes. Sori submarginales, continui; indusium coriaceum, fornicatmn, denique 

 reflexum. Tai IV. 4—10. 



Loraaria Spreng, syst. IV. 62. Kunze fil. 69. T. 34. Stegania R. Br. Prod. ed. Nees. 8. Salpinchlaena Fee gen. 79. 



Terra Diemen. 



16. Blechnum boreale Swartz syn. 115. Schkuhr 102. T. 110. 



Ehizoma obliquum, paleis lanceolatis tectum; folia coriacea, glabra; sterilia horizontalia ; fertilia erecta; sterilium petiolus 2" longus; lamina 

 5 — g" longa, lanceolata, pinnatisecta; segmenta 8'" — 1" longa, 3'" lata, basi lataadnata et ala angustissima confluentia, contigua, basi superiore producta, 

 succuba, lineari-oblonga, obtusa vel breviter acuta, submucronata , integerrima; infnna subcontigua , abbreviata, transversa, nonnunquain incisa; nervi 

 Neuropteridis vel Eupteridis ; foliorum fertilium petiolus 4 — 6 " longus, lamina 1' longa; segmenta infima remotiuscula, abbreviata; superiorä linearia, 

 acuminata, basi praesertim superiore dilatata, adnata, subcontigua; sori continui vel rarius interrupti, medii inter costam et marginem ; indusium mem- 

 branaceum, subfornicatum. Taf. IV. 11. 12. 



Lomaria Spicanta Dsv. Berl. Mag. V. 335. Spicanta borealis Presl epim. 114. 



Europa. 



17. Blechnum alpinum. * 



Rhizoma multiceps, capitibus adscendentibus, paleis ovatis, obtusis, tectum; folia coriacea, glabra, pinnatisecta; sterilia horizontalia; fertilia erecta , 

 sterilium petiolus 1—2 "longus; lamina 3—5" longa; segmenta 4—5"' longa, U/2— 2'" lata, oblonga. obtusa, basi dilatata adnata, contigua et confluentia; 

 infima subcontigua, abbreviata, integerrima; nervi Neuropteridis vel Eupteridis; foliorum fertilium petiolus 4—5" longus; lamina 3—4" longa; segmenta 

 approximata, oblonga, obtusa, basi lata, sursum producta, adnata; sori submarginales, continui; indusium scariosum, subfornicatum, denique reflexum. 



Stegania R. Br. Prod. ed. Nees. 8. Lomaria Spreng, syst. IV. 62. 



Terra Diemen. Chili. 



18. Blechnum L ' Herminiert. 



Rhizoma adscendens, paleis ovatis, obtusis, tectum; folia erecta, coriacea, glabra, pinnatisecta; sterilium petiolus 1—2" longus; lamina 1' longa, 

 lanceolata; segmenta 1" longa, 4'" lata, ovata vel oblongo -lanceolata, obtusa, falcata, integerrima, basi dilatata adnata, contigua et ala angustissima 

 confluentia; infima abbreviata, transversa; nervi Neuropteridis vel Eupteridis ; foliorum fertilium petiolus 8" longus; lamina 8—10" longa; segmenta 

 linearia, acuminata, basi dilatata, adnata et decurrentia, subremota; sori continui, submarginales; indusium membranaceum. Taf. IV. 13. 14. 



Lomaria Bory. Kunze fil. 173. T. 73. 



Caracas. 



19. Blechnum attenuatum. 



Truncus erectus, paleis lanceolatis, acuminatis, rigidis, tectus; folia erecta, subcoriacea, glaberrima, pinnatisecta; sterilium petiolus 1—2" longus; 

 laminal' longa; segmenta inferiora remota, abbreviata, rotundata; superiorä 2—3 " longa, 4"' lata, approximata, denique contigua et ala angustissima ^ 

 confluentia, e basi utrinque aequaliter dilatata , oblongo - lanceolata vel linearia, sensim attenuata ; longe acuminata ; segmentum terminale elongatum, 

 maximum; nervi Eupteridis vel Sub - Taeniopteridis ; foliorum fertilium petiolus 4" longus; lamina 6 — 10" longa; segmenta linearia, acumüiata, basi 

 utrinque dilatata adnata; sori continui, manifeste intramarginales; indusium membranaceo-scariosum, denique lacerum. Taf. III. 1—6. 



Lomaria attenuata Willd. spec. V. 290. 



Mauritii insula. 



20. Blechnum punctulatum Swartz syn. 313. Schlecht, adumb. 37. T. 21. 22. 1. 



Rhizoma repens, paleis ovatis, acuminatis, tectum; folia erecta, coriacea, glabra, pinnatisecta; segmenta brevissime petiolata; sterilium petiolus 

 2" longus, sparse paleaceus; lamina 1-2' longa; segmenta inferiora remota, abbreviata, rotundata; superiorä 1— l.i/ 2 " longa, 3-4'" lata, approximata, 

 succuba, e basi cordata, utrinque auriculata, oblonga vel lanceolata, falcata, acuminata, integerrima; nervi Neuropteridis ; foliorum fertilium petiolus 

 6—8" longus, lamina 1— 1^' longa; segmenta e basi cordata, linearia, acuminata, acuta vel obtusa; sori continui, rarius interrupti, medii inter costam 

 et marginem; indusium membranaceum. 



Lomaria punctulata Kunze Linn. 10. 27. Mesothema Presl epim. 113. 



Prom. bon. spei. 



21. Blechnum stenqphyllum. 



Rhizoma repens, obliquum, paleis ovatis, obtusis, tectum; folia erecta, coriacea, pinnatisecta; segmenta breviter petiolata, infra ad costam paleacea ; 

 sterilium petiolus 3-4" longus; lamina 1-lV longa, oblonga; segmenta 2-2*/," longa, 4-5'" lata, e basi anguste cordata, elongato-oblonga, sensim 

 attenuata, apice obtusa, margine serrata; nervi Taeniopteridis, apice libero sinus dentium petentes; foliorum fertilium petiolus 6 " longus ; lamina 

 1-2' longa; segmenta manifestius petiolata, 5J-3V." lon § a > 2 '" lata ' e basi ^aequaliter cuneata vel .cordata, linearia, obtusa, integerrima; sori mannest!, 

 intramarginales, continui; indusium membranaceum, denique lacerum. Taf. III. 10. IL 



Lomaria stenophylla Klotzsch ex Kunze Linn. 23. 261. 



Venezuela. Peruvia. 



22. Blechnum Gilliesii. 



Rhizoma multiceps, capitibus erectis, paleis ovatis, acuminatis, margine pallide scariosis, tectum; folia erecta, membranaceo-ngida, pinnatisecta; 

 segmenta breviter petiolata, infra ad costam una cum petiolo sparse paleacea, denique glabra; foliorum sterilium petiolus 8" longus; lamina 1-1 %' longa; 

 se-menta 2-2 V longa, 6-7'" lata, e basi inaequaliter cordata, latiore, oblonga, sensim attenuata et breviter acuminata, margine argute serrata; nervi 

 Eupteridis vel Sub-Taeniopteridis ; foliorum fertilium petiolus X-U/,' longus; lamina 1-2' longa; segmenta lVr-2V lo »S a ' e basi cordata < lineam ' 



