Broadhurst: Struthiopteris in North America 379 



the plant in Jamaica. The stem description given above is quoted 

 from a letter by Professor Underwood. He brought back a speci- 

 men of the rhizome, but it could not be found during the writing 

 of this paper. He mentioned it as growing "on the summit of 

 the higher ridges, above 5,000 feet, and not common." 



22. S. varians (Fourn.) Broadh. comb. nov. 



Lomaria varians Fourn. Mex. PI. 1: 113. 1872. 

 Blechnum varians C. Chr. Ind. Fil. 161. 1905. 



Plants terrestrial. Rhizome (not seen). Sterile fronds 60-90 

 cm. long; stipes 12 cm. or more (incomplete in the cotype at the 

 New York Botanical Garden), apparently not angulate, maroon, 

 the scales yellowish, early deciduous, narrowly triangular to linear, 

 mixed with fibrillose ones; lamina 48-50 cm. long, 25-28 cm. 

 wide, oblong, the base not reduced (type A, without vestigial 

 pinnae), but slightly or not reduced at the apex, the terminal pinna 

 almost as long as the lateral ones,* the rachis soon becoming naked ; 

 pinnae 15-20-jugate, straight, long-lanceolate to narrowly oblong, 

 the apex serrate, rather abruptly long-acuminate, the base sub- 

 equally rounded, free throughout, petioled, 19 cm. long, 2 cm. wide; 

 margins cartilaginous, irregularly erose-crispate and not revolute; 

 leaf tissue rigid-herbaceous, smooth; veins not raised, the vein 

 spaces 15-18 to I cm. Sporophyls,f the stipes 15 cm. long, the 

 "base densely chaffy with long scales," pinnae 25-jugate, with a 

 sterile apex. 



Type: Bonrgeau 1826; Herb, von Heurck, no. 1420, Mexico, 

 "Vallee de Cordoba," February 4, 1866 (Y). 



Distribution: Known from the type locality only. 



23. S. violacea (Fee) Broadh. comb. nov. 



Lomaria violacea Fee, Mem. Foug. 11 : 11. pi. 5. 1866. 



Blechnum violaceum C. Chr. Ind. Fil. 161. 1905. 



Plants terrestrial. Rhizome 2-4 cm. thick (seen only in small 

 specimens), the scales short (5 mm. or less) umber or brown- 

 maroon. Sterile fronds of two types, (1) short and ovate or 

 broadly lanceolate, and (2) larger and oblong, 18-100 cm. long;J 



* Abnormal in the New York Botanical Garden type number; not reduced, how- 

 ever, in the type number seen either at Kew or Geneva. 



t As given in Fournier's incomplete description. They are lacking in the New 

 York Botanical Garden sheets. 



X Fee says the length may reach ioo cm.; he figures one oi the "smaller" speci- 

 mens which measures 118 cm.; no scale is given, however. 



