442 70. MARATTIA, §§§ EUPODIIJM. 71. DANjEA. 



marginal, ^-| lin, 1., the sides ultimately spreading, the attachment oblon?.— ' 

 Stibasia, Presl. ,De Vriese, tab. S.f. 24. 



Hab. Sandwich Isles. 



I- 



6. M. (Gymno.) alata. Smith ; st. 1-2 ft. 1., 1 in. or more thick, deciduously 

 scaly ; fr. 3-4 ft. 1., tripinnatifid, the lower pinnis the largest, all except the 

 lowest pairusually simply pinnate, the ultimate divisions ^-| in. 1., about J in. 

 br., oblong, blunt or acute, the base cuneate, the edge serrate or crenate, the 

 rachises with a very distinct wing ; texture herbaceous ; under surface more or 

 less chaffy ; synomgia copious, submarginal, ^-f lin. I., the sides erect, th,e attach- 

 ment oblong or roundish. — Smith, Ic. inedit, t. 46. (non Raddi), Discostegia, 

 Presl. M. Isevis, Smith, le. t. 47. M. weinmannisEfolia, Liehm. 



Hab. West Indies, Mexico, and Guatemala.— ^PresI and others assign to this an 

 involucre, which we are not able to detect. M, Icevis, Sm., is a form with the rachis 

 Bmooth and teeth of the segments blunt. 



, §§§ Eupodium, J. Sm. Syvangia short-stalked without an involucre. 



Sp. 7. 



7. M. (Eupod.) Kaulfussii, J. Sm. ; st. 2-3 ft. 1., thick, naked ; fr. 3-4 ft. 1., 

 quadripinnatifid, the lowest pinnce much the largest, all except the lowest pair 

 bipinnatifid, 1 ft. or more 1., 6-8 in. br. ; pinnl. S-4 in. 1., the rachis very 

 distinctly winged ; segm. oblong, deeply and bluntly toothed, those of the lowest 

 pinnsB again pmnatifid ; texture herbaceous ; surfaces naked ; synangia \-\ lin. 1., 

 not marginal, deeply cleft, the sides ultimately spreading. — Hk. 2ttd Gent. t. 95. 

 M. alata, Raddi, t. 83-4. {non Sm.) 



Hab. West Indies and Columbia to Ecuador and Eio Janeiro. 



Gen. 71. Dan^a, Sm, (See page 625.) 



Caps, sessile, concrete in rows, which cover the whole under surface of the 

 pinnae on which they are placed, opening by pores at the apex. A well-marked 

 genus restricted to Tropical America. Tab. IX. fig. 71. 



1. D. simplicifoUa, Rudge ; st. of the barren fr. 2-12 in. 1., with 0-2 nodes, 

 slightly scaly below ; barren Jr. 6-12 in. 1., 2-4 in. br., ovate-oblong, the apex 

 acuminate, the edge entire, the base rounded or cuneate ; texture subcoriaceous ; 

 midrib beneath naked ; veins clos6, usually once forked ; fertile Jr. similar but 

 smaller, and the st. longer. — Rudge, t. 36. Kwnze, t. 60. 



Hab. Guiana and North Brazil. — One of our epeoimens is partially fertile only. There 

 -are about 100 capsules in the central synangia, and 35,000 to an entire frond. 



2. D. trifoliata, Reich, ; st. of barren fr. about 1 in. 1., with 1 node, slightly 

 scaly below ; barren fr. with an oblong-lanceolate entire terminal pinna 8-12 

 in. 1., 3 in. br., and one or two pairs of similar but smaller lateral ones ; texture 

 coriaceous ; surfaces glossy, the rachis naked, not winged, swollen at the nodes ; 

 veins close, usually once forked, casually anastomosing ; fertile fr. on a longer «f., 

 the pinnae smaller. — Kze. Anal. 4. t. .2. : 



Hab. Guiana ; gathered by Hostmann and Schomburgk. — Perhaps not really distinct 

 from the preceding. 



3. D. trichomanoides, Spruce, MSS. ; st. of barren fr, under 1 in. I., furfu- 

 raceous, continuous ; barren Jr. 3-4 in. 1., 1 in. br., with about 12 pinnce on each 

 side, the central ones | in. 1., 2 lin. br., oblong, short-stalked, the base rounded ; 

 colour dark-gi-een ; texture pellucido-herbaoeous ; veins simple ; rachis with a. 



