300 54 



sometimes furnished with a few red-}'ellow glands. Pinnæ distinctly ailiciilaled to 

 rachis, at their basal part often incised to rachis. Veins about 7, not rarely furcate, 

 distinctly prominent on the upperside. Sori near the edge; indusium not found. 



37. Dryopteris Santae Catharinae Rosenstock, Hedwigia 46: 126. 190fi — [Fig. 25]. 



Type from Brazil: Prov. S. Catharina, Joinville, leg. Stier n. 15a (HR!); 

 Lages, Spannagel n. 50 a (HR). 



From the other creeping species easily recognizable by its almost quite 

 glabrous leaf with very regularly incised pinnæ, the leaf in habit recalling large 

 forms of D. concinna. 



38. Dryopteris Jürgensii (Rosensl.) C. Chr. hid. 663. 1906; Rosenst. Hedwigia 



46: 126. 1906 — | Fig. 26]. 



Syn. Nephrodiiim Jürgensii Rosenstock, Festschrift Albert von Bamberg 63. 

 Gotha 1905. 



Type from Brazil: Rio Grande do Sul, Sta. Cruz 650 m., leg. C. Jürgens 

 n. 198 (HR!). 



Marked by its very long and narrow pinnæ (18 cm. long by l''a cm. broad), 

 which are somewhat attenuated towards their base, and by the broad, open sinus 

 between the segments. 8—9 pairs of simple veins. Sori close to the margin with 

 a setose indusium. 



33. Dryopteris Mosenii sp. nov. — [Fig. 27]. 



Brasilia: Prov. Minas Geraes: Caldas. In ripa uliginosa umbrosa amnis Rio 

 Capivary, leg. Hj. Mosen ^s/n 1873 n.2161 (HS!). 



Eudryopteris rhizomate horizontaliter repente, apice adscendente, squamis par- 

 vis linearibus brunneis vestito. Stipitibus c. 1 cm. remotis, stramineis basi fusces- 

 cenlibus, glabris, ad pinnas infimas 2'/2 dem. longis. Lamina c. 6 dem. longa, infra 

 medium l"/2 dem. lata, ad apicem breviter acuminatum gradatim attenuata, versus 

 basin abrupte reducta, firmo-herbacea, pallide viridi, supra ad costas albido-furfura- 

 cea, subtus ubique pilis hamatis albidis patentibus deciduis breviter hirta et glan- 

 dulis pallidis ubique minute glandulosa, marginibus ciliatis, bipinnatifida. Rachibus 

 quadrangularibus, stramineis, minute glandulosis et pilis albidis nonnullis deciduis 

 instructis. Pinnis inferioribus 3 — 4 jugis valde reductis, bipartitis, 6 cm. inter se 

 distantibus, oppositis, superiore jugo paulo reducto reflexo (Typus V), ceteris c. 20 

 jugis suboppositis vel sursum alternis, horizontalibus, sessilibus, lanceolatis, acutis 

 7_8 cm. longis, 2 cm. latis. Laciniis c. 20 jugis, approximatis, ala 1^/2 mm. lata 

 connectis, fere rectis, acutis, integris, basalibus vix auctis. Costis, costulis venisque 

 stramineis utrinque prominentibus. Venis indivisis, 10—12 jugis, intima posteriore 

 pauluni supra sinum acutum angustum marginem attingente. Soris parvis, luteis, 

 globosis, medialibus. Indusiis pallidis, ciliatis, glandulosis, mox deciduis. 



