Broadhurst: Struthiopteris in North America 265 



throughout with vestigial pinnae varying from mere scars to 

 lines about I cm. long, bicolored; lamina 22-47 cm. long, 12-24 

 cm. wide, deltoid to oblong-deltoid or ovate-lanceolate, the base 

 abruptly reduced (type A or B, with vestigial pinnae), with or 

 without 1-3 more or less semicircular contiguous lobes, gradually 

 reduced at the apex, the terminal pinna 5-9 cm. long, the pinnae 

 usually alternate, the lower more or less diverging but contigu- 

 ous; pinnae 9-18-jugate, broadly triangular to oblong, straight 

 (or the upper ones slightly curved), the apex acute, never acumi- 

 nate, sometimes contracted near but not at their bases, 6-12 cm. 

 long, 1.5-3 cm. wide; margins entire, not at all or but irregularly 

 and slightly revolute; leaf tissue rigid-herbaceous, closely and 

 markedly punctate, showing throughout rounded translucent 

 spaces when held to the light, without scales; veins rarely con- 

 spicuous, never raised or grooved, usually ending in circular glan- 

 dular swellings or in depressions which occasionally hold a more 

 or less separable, central, scalelike swelling, the vein spaces 6-7 

 to 1 cm. Sporophyls 44-90 cm. long, taller than the sterile in all 

 the complete specimens seen; stipes 24-40 cm. long, marked with 

 vestigial pinnae, usually reddish brown, occasionally purplish 

 black, not bicolored as in the sterile, though sometimes lighter 

 on the upper side; lamina 22-40 cm. long, abruptly reduced at 

 the base, gradually at the apex, the terminal pinna 5-10 cm. long; 

 pinnae 12-22-jugate, 11-14 cm. long, 3-4 mm. wide, often with 

 a sterile tip 3-7 mm. long, broadly dilated both ways at the base 

 and fruited on the dilations; indusium not heavy, entire, not 

 becoming lacerate; sporangia varying from yellow to dark brown. 



Type: Fee, Mem. Foug. 11: pi. j. 1866. Collected by 

 L'Hermiuier in 1861, Guadeloupe. 



Distribution: Jamaica, Porto Rico, the Lesser Antilles 

 (St. Kitts, Montserrat, Guadeloupe, Dominica, and Martinique), 

 Costa Rica, and Panama. 



Specimens included: Porto Rico: Luquillo Mountains, 

 Wilson 135 (Y). St. Kitts: Top of Mt. Misery, under cliff, 

 Britton & Cowell 546 (Y). Montserrat: Chance's Mountain, 

 at the top, altitude 3,000 ft., Shafer 2?j. Guadeloupe: Duss 

 4167. 41 66* (Y, N). Dominica: Mt. Diablotin, Lloyd 880 (Y) 

 andSpj (Y, N). 



This has been confused by Jenman and by some European 



* Often the localities given on the Duss sheets are descriptive rather than specific: 

 different localities are given for sheets bearing the same collection number, or several 

 localities are given on one sheet. The locality is, therefore, omitted in such cases. 



