96 44 



Lamina 4—7 dem long; [linnæ rather distant, 10 — 12 cm long, 2 — 2'/a cm 

 broad; segments oblique or often subfalcate, faintly toothed in the outer half and 

 generally with a mucronate apex. Veins 10—23. Sori supramedial, very often 

 coniined to the outer half of the segment (D. soriloba Christ). Rachis and costæ 

 more or less scaly; scales of costæ ovate with a long, hair-like point, clear and 

 thin, their cells large with thin walls, the edges faintly and distantly toothed (fig. S^''»)- 



This form comes near to D. deflexa in size, habit and colour of scales but is 

 different by the subenlire scales. It is confined lo the Southern Brazilian States 

 and the neighbour-republics; agreeing best with the original description and figure 

 are the specimens from Rio Grande do Sul and Misiones; some of the specimens 

 from Parana and Sta. Catharina are intermediate between this and the following 

 form. — D. Selloivii Hieron". is exactly this form. 



Argentina: Tucuman, Siambon, Hiebonymus u. Lorkntz nr. 79.'j pt. (15) — Misiones, Campament 

 Bosetti. NiEDERi.EiN (B); Soreto, Nieuerlein nr. 253 (Bj; Puerto Tamaren, Niederlein (B); 

 Bonpland, Ekman nr. 1, 2, 3 (Rg). 



Uruguay: Coronilla, Berro nr. 2382 (C, CC). 



Paraguay: Colonia Elisa prope San Antonio, Lindman (Kg) — Cordillère de Mbatobi, Paraguari, 

 Balansa nr. 2917 |B, Hi — Sierra de Amambay, Hassi.er nr. 10454 (C, RB =; D. soriloba 

 Christ! and perhaps the same as D. coUina Clirist). 



Brasilia: Rio Grande do Sul: Serra dos Tapes, Cascata, Lindman nr. A. 905 iRg, W) — Excolonia 

 Santo Angelo, Lindman nr. A. 959 Rg — Neu-W'iirtteniberg, Estancia L. Gomez, A. Born- 

 mcller nr. 273 (R) — S. Leopolde, Hamburger Berg, StObel nr. 1173 (B ^ D. SeUowii). — 

 Sta. Catharina: Blumenau, Haerchen nr. 49', 50 (R) — Goeden nr. 45 (R). — Parana: 

 S. Mattlieus, Gänsly nr. 8 u. 35 (R) — Villa Nova, Annies nr. 42 (Rj, — and others. 



Intermediate forms between forma 1 and 2. 



Sta Catharina: Blumenau, Haerchen, Ros. Fil. exsicc. nr. 153 (B. R, Rg, W). 



Sao Paulo: Toledo, Stier nr. 32 (R), Schnapp nr. 30 iR), Uluricht nr. 55 (R) — Campinas, Ulbricht 

 nr. 59 iR). 



2. forma tenuifolia (Presl). 



Syn. Lastrea tenuifolia Pr. Epim. 37. 1849! 



Asi)i(liiini caripense f. inacroloba A. Br. Ind. sem. ht. Berol. app. 1857: 2! 



Pheijopteris Oreopteridastniin Fée, Cr. vase. Br. 1: 97. 1869 (Glaziou 963). 



Aspidium Sancti Pauli Christ, Denksehr. Akad. Wien 79: 15. 1907! 



Larger than the preceding form, leaf one meter or more long, pinnæ 20cm 

 long by 3 -3'/-' cm broad, often contiguous and erect, so that the leaf becomes a 

 very compact habit. Segments slightly oblique or patent, seldom subfalcate, gene- 

 rally bluntly rounded at the apex and faintly toothed, sometimes mucronate. 

 Scales as a rule fewer than in the typical form, those of the costa beneath 

 generally hair-like consisting of a few rows of cells (fig. 3'^''). — Veins 12—15- 

 jugate. Sori often medial, exindusiate (always?). 



This is the common form of the mountains of the states Rio de Janeiro and 

 Minas Geraes, where it was collected by almost all collectors. The original 

 specimen of Lastrea tenuifolia Presl was collected near Rio by Pohl (Herb. Presl!); 



