discovered or described since 1874. 51 



half-way to the edge. Amboyna, Challenger expedition. 

 Received from Professor Balfour. Near A. Arnotti, Baker, 

 of the Sandwich Isles. 



259. A. radicans, Schk. From this variable species I cannot 

 clearly separate A. hartianum, Jenm. in Journ. Bot. 1886, 

 268, A. altissimum, Jenm. in Journ. Bot. 1879, 2 59 an ^ 

 A. taylorianum, Jenm. in Journ. Bot. 1886, 269, all three 

 Jamaican. 



261*. A. zanzibaricum, Baker, n. sp. Frond ample, membranous, 

 glabrous, deltoid, 4-pinnatifid. Pinnae oblong-lanceolate, 2 

 ft. long, 9-10 in. broad. Pinnules oblong-lanceolate, cut 

 down to the rachis into lanceolate deeply pinnatifid tertiary 

 segments with oblong erecto-patent lobes. Veins pinnate in 

 lower quaternary segments. Sori sausage- shaped, not more 

 than r Vir in. long, lower diplazioid. Indusium narrow, 

 membranous. Zanzibar, Last. 



261*. A. brunneo-viride, Jenm. in Journ. Bot. 1886, 269. 

 Jamaica, Morris, 264, Sherring. Near A. sandwichianum, 

 Mett. 



261*. A. Huttoni, Baker, n. sp. Fronds ample, deltoid, decom- 

 pound, moderately firm, glabrous. Pinnae oblong-lanceolate, 

 a foot or more long. Pinnules lanceolate; tertiary segments 

 oblong, obtuse, \ in. broad, deeply pinnatifid; quaternary 

 lobes oblong, obtuse. Veins pinnate in the quaternary lobes ; 

 veinlets ascending, simple. Sori medial, reach ^ in. long. 

 Indusium firm, glabrous, persistent. Malay Isles, Hutton. 

 Received from Messrs. Veitch. Near A. sandwichianum, 

 Mett. 



Subgenus Anisogonium. 



264*. A. Virchowii, Kuhn, in Hildeb. PI. Madag. Exsic. No. 4168. 



South Betsileo Land, Madagascar, Hildebrand. Frond simple, 



lanceolate. 

 264*. A. Corderoi, Sodiro, Recens. Crypt. Vase. Prov. Quit. 39. 



Andes of Ecuador, Sodiro. Frond lanceolate, simple or 



simply pinnate. Pinnae oblong. 

 266*. A. cardiophyllum, Baker; Micropodium cardiophyllum, Hance, 



in Journ. Bot. 1883, 268. Rhizome slender, wide-creeping, 



naked. Stipe slender, naked, castaneous, 7-8 in. long, arti- 



