[Vol. 9 

 208 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



brown, 26-37 (j in length, chiefly spinulose, sometimes smoothish. 

 Distribution : Islands of Azores. 

 Specimens examined: 



Azores: Lago Raza, 4 August, 1894, Trelease 1262 (Mo. Bot. 

 Gard. Herb.); Corvo Caldeiro, 15 July, 1894, Trelease 1261 

 (Mo. Bot. Gard. Herb, and U. S. Nat. Herb.); Flores I., 

 Caldeiro da Lomba, 25 July, 1894, Trelease 1263 (Gray 

 Herb., Mo. Bot. Gard. Herb, and U. S. Nat. Herb.). 



60. I. japonica A. Br. Verh. Bot. Ver. Brandenb. 4: 329. 1862, 

 and Monatsber. K. Akad. Wiss. Berlin 1: 459. 1861; Motel. & 

 Vendr. Actes Soc. Linn. Bord. 36: 360. pi. 11. jig. 10-12. 1883; 

 Baker, Jour. Bot. 18: 109. 1880, and Fern Allies, 133. 1887; 

 Miquel, Prol. Fl. Jap. 390. 1866-67; Franchet & Sav. Enum. 

 PI. Jap. 2: 201. 1879. 



Calamaria japonica Kuntze, Rev. Gen. PI. 2: 828. 1891-93. 



I. edulis Lieb. ex Miq. Prol. Fl. Jap. 390. 1866-67. 



Corm 3-lobed; leaves 35-66, 33-52 cm. long, medium coarse, 

 flexuous, gradually tapering to apex, with membranaceous mar- 

 gin conspicuous only at sporangium level; peripheral strands 

 usually 6, 4 of which are stronger ; stomata rare ; ligule elongated 

 triangular; sporangia 7-9 mm. long, lacking velum, but marked 

 with brown sclerenchyma patches; megaspores white, 560-660 M 

 in diameter, with large foveolate markings, slightly less regular 

 on apical faces, with well-rounded ridges on basal; microspores 

 pale, 29-35 M long, smooth. 



Distribution: Japan, Yokohama. 



Specimens examined: 



Japan: Wada-mura, Musashi, 6 September, 1893 (U. S. Nat. 

 Herb.) ; Tokyo, May, 1888, collector unknown, 519 (U. S. 

 Nat. Herb.) ; 30 July, 1890, Watanabe (Gray Herb.). 



61. I. Wormaldii Sim, Trans. S. Afr. Phil. Soc. 16 3 : 299. pi 5. 

 1906, and Ferns of S. Afr. 340. 1915. 



Corm 3-lobed; leaves 50-70 in number, terete or somewhat 

 flattened, 22-45 cm. long, stout, hardly narrowed to the round- 

 ed point, flaccid, with wide basal sheath briefly extended (2-3 

 cm.); peripheral strands none; stomata present though not 

 numerous; sporangium large, 5-10 mm. long, 3-3.5 mm. wide, 

 lacking a velum ; megaspores) 460-640 M in diameter, with sur- 

 face decidedly reticulate with prominent rounded ridges on lower 



