402 



Benedict: Revision of the genus Vittaria 



3. Vittaria remota Fee, Mem. Foug. 7: 26. pi. 20, /. 1. 1857 



Rhizomes erect, often associated in clumps of 5 or 6, 0.5-2 cm. 

 long, about 2 mm. thick in section, radially symmetrical, the scales 

 lanceolate, brown, 7-11-costate at the base, the median costae 

 considerably thickened; leaves 2-10, cespitose, 15-42 cm. long, 

 the petioles purplish-brown, sparsely verrucose, solid, 1-5 cm. 

 long, about 2 mm. thick, nearly terete at first but soon flattened and 

 angled, the laminae linear-lanceolate, broadest (6-18 mm.), about 

 the middle, somewhat acuminate, below very gradually narrowed 

 and marked with a dark brown stripe both ventrally and dorsally, 

 the margin plane, thin and sharp, the leaf-trace single, branching 

 in the base of the petiole, the midrib marked ventrally by a distinct 

 angled ridge, whitish on the dorsal surface, veinlets 4-9 per cm., 



C^> 



C3? 



Figs. 6 and 7. Vittaria remota Fc'e. Fig. 6. Well-developed collenchyma 

 from the stem. (Material collected by P. Wilson 81, Porto Rico. Enlarged about 

 300 times.) Fig. 7. Showing spores, paraphyses, and a sporangium. (Enlarged 

 about 60 times.) Two of the paraphyses, the lower two, are shown partly collapsed, 

 their usual condition when dry. (From material collected by R. S. Williams 

 Panama.) 



intersecting 0.5-1.5 cm. apart along the margin, the areolae linear, 

 with the long axes usually divergent from the midrib; soral lines 

 slightly crenate, 0.5-1 mm. from the margin, in an open shallow 

 groove. (Plate 16 and text figs. 6, 7.) 



Type from Colombia: province of Ocana, altit. 2,400 m., on 

 trees in forest, L. Schlim 611, 1846-52. 



