4 GO ALSOPIIILA. 



Hab. Sikkim, 1,000-2,500 ft. — Very distinct. A series of very fine figures of this 

 and the other Sikkim tree-ferns will shortly be published by Mr. Scott in Linntean 

 Transactions. 



59*. A. Scottiana, Baker ; fr, ample, tripinnatifid ; rachises castaneous, naked 

 and smooth beneath ; pinnce oblong-lanceolate, l|-2 ft. 1. ; pinnl. sessile, 3-4 

 in. 1., ^-| in. br., ligulate, cut down to a narrow wing or the rachis ; segm. ligu- 

 late, blunt, dentate, subfalcate, under \ in. br. ; texture moderately firm ; both 

 sides green, without hairs or scales ; vcms 6-7-jugate, simple, distinct ; sori sub- 

 costular ; recept. naked. — Gard. Chron. 1872, p. 699, cum icone. A. comosa, 

 Scott, non Hook. 



Hab. East Himalayas and Martaban, — Habit of latebrosa, from which it differs in veiiiS 

 and absence of scales on ribs below. 



59*. A. ornata, Scott ; fr. ample, tripinnate ; rachises castaneous, smooth, 

 naked beneath ; jnnn<x oblong-lanceolate, l|-2 ft. 1. ; p>iniil. sessile, lanceolate, 

 8-4 in. 1., |-1 in. br. ; segm. close, ligulate, blunt, denticulate, 1 lin. br. ; texture 

 moderately firm ; both sides green, without scales or hairs ; veins 8-12-jugate, 

 forked ; sori minute, subcostular ; recept. naked. — Bedd. Fern. Brit. Ind. t. 342. 



Hab. Sikkim. 



65*. A. Boivini, Mett. ; fr, ample, tripinnate ; rachises castaneous ; pinnce 

 oblong-lanceolate, 1^-2 ft. 1. ; pinnl. lanceolate, short-stalked, 3-4 in. 1., |-1 

 in. br. ; segm. oblong, obtuse, inciso-crenate, lowest free, short-stalked, central 

 cuneate at base ; texture membranous ; both sides green, the lower with a few 

 pale bullate scales on the ribs ; veins 6-8-jugate, subpinnate ; sori minute, sub- 

 costular. — Kuhn, Fit. Afr.p) 161. 



Hab. Isle of Mayotte, Boivin. 



X.— IIYPODERRIS. Page 40. 



2. H. Seemanni, Prentice ; rhizome short, woody ; st. 6-12 in., with only a 

 few scales near the base ; fr. oblong-lanceolate, 1\ ft. 1., 6-7 in. br., pinnatifid 

 to a narrowly-winged rachis in the lower part, ligulate and sinuate-pinnatifid in 

 the upper third ; j>inn(]e few, distant, lanceolate ; texture membranous ; both 

 sides glabrous ; sori scattered in an irregular line, principally near the edge of 

 the pinnae. — Seem. Journ. 1869. p. 240. H. marginalis and adnata ? Fourn, Bot. 

 Zeit. 1873. ;a 8-9. 



Hab. Nicaragua, Seemann, 206, Levy. 



XIII.— DICKSONIA. Page 49— 54. 



3. D. Menziesii, var. pruinata, Baker ; under surface glaucous ; lohes of 

 pinnl. denticulate. — Cibotium pruinatum, Mett. Kuhn, Linncea, 86./). 150. 



Hab. Sandwich Isles, Brachenridge, Hillebrand. 



5*. D. Wendlandi, Baker ; arborescent ; fr. oblong-deltoid, tripinnatifid ; 

 rachises stramineous, pilose ; pinnce oblong-lanceolate, 1 ft. 1., 4-6 in. br. ; pinnl. 

 sessile, linear, | in. br., cut down to a narrow wing ; segm. close, lanceolate- 

 acute, falcate, deirt;iculate, 1 lin. br. ; texture subcoriaceous ; under surface 

 pilose all over, not glaucous ; venules forked ; sori close, parallel with edge, 4-8 

 to a segment ; valves equal, hemispherical. — Cibotium Wendlandi, Mett. Kuhn, 

 Linn. 36. />. 151. C. spectabile, Ilort. ? 



Hab. Guatemala, Skinner, Windland. 



