370 Broadhurst: Struthiopteris in North America 



mm. wide, rigidly erect, dark tobacco brown or burnt umber with 

 definite lighter margins. Sterile fronds 30-58 cm. long; stipes 

 9-20 cm. long, more or less irregularly angulate, marked through- 

 out by vestigial pinnae, dull brownish, not shining, the scales like 

 those of the rhizome, but shorter, less numerous, and abruptly 

 wider at the base, mixed with finer, soft, light brown to rufous 

 ones, the position of the fallen scales plainly indicated as in 

 S. lineata; lamina 28-40 cm. long, 13-20 cm. wide, elliptical 

 to oblong, abruptly reduced at the base (type A, with vestigial 

 pinnae) gradually reduced at the apex, terminal pinna 4-7 cm. 

 long, the pinnae crowded to overlapping, the lower often deflexed 

 (at least in dried specimens), the rachis scales mixed with more 

 numerous, fine or fibrillose, matted scales; leaf tissue very heavy 

 and coriaceous, becoming rolled and rufous below in drying, the 

 costae more or less fibrillose, the under surface usually araneous 

 with similar yellowish to rufous scales (the upper surface of the 

 costae occasionally slightly fibrillose also); pinnae 12-25-jugate, 

 elliptical to oblong, the apex obtuse, appearing acute in some 

 "rolled" specimens, the base rounded, short-petioled in the lower 

 pinnae, 6-10 cm. long, 17-27 mm. wide; margins revolute; veins 

 not raised below, sometimes rather distinctly grooved above, the 

 vein spaces 13-18 to 1 cm. Sporophyls taller, 67-114 cm. long; 

 stipes 15-57 cm. long; lamina 33-60 cm. long, abruptly reduced 

 at the base, slightly reduced at the apex; pinnae 20-35-jugate, 

 thick or heavy, 15-16 cm. long, 5-6 mm. wide, the petioles 

 heavy; sporangia dark brown; indusium quite regularly lacerate. 

 [Plate 28.] 



Type locality: "Islands of the Caribbean." 



Distribution: Guadeloupe only, apparently. 



Specimens included : Guadeloupe: " Plateau de la Soufriere 

 (autour du lac de soufre), 1895," altitude 1,420 m., Duss 4164 

 (Y, N); U. S. National Museum no. 524499, Duss. L 'Herminier 

 27 (Geneva; tracing, Y). 



Fee himself says that his Lomaria robusta is near L. rufa 

 Spreng. ; and the rufous, oblong, obtuse, coriaceous pinnae of 

 Sprengel's description, described from the islands of the Caribbean, 

 are so characteristic that there seems to be no reason for dis- 

 regarding the older name of rufa. 



17. S. Schiedeana (Presl) Broadh. comb. nov. 



Lomaria Schiedeana Presl, Linnaea 5: 613. 1830; Tent. 143. 

 1836. 



