470 BAVALLIA. 



lower side ; lowest ^:)2Ji«^. deltoid, the rest lanceolate, cuneate-truncate at the 

 base on the lower side ; ult. segm. consisting only of a stalked cylindrical sorus 

 \ lin. 1., with a narrow rim on edge, side produced into distinct horns ; texture 

 subcoriaceous ; surfaces quite naked. 



Hab, Polynesia, the exact station not known, Herb. Maclemj. — Eemarkable for the 

 combination of small sii^e and very, fine cutting. 



60*. D. calohodon. Baker ; fr. large, tripinnate ; rachis of pinnse clothed with 

 dense reddish pubescence ; pinnae ovate-lanceolate, stalked, 1 ft. 1. ; pinnl. close, 

 patent, oblong, cuneate-truncate on lower side at base, lowest free, under 2 in. 1., 

 cut down to rachis or a narrow wing into oblong blunt subentire scgm. ; texture 

 membranous ; upper surface dull-green, sparsely pilose, lower pilose on the ribs ; 

 sori intramarginal near final sinuses ; inv, pale, membranous. — Microlepia calo- 

 hodon, Melt. Kuhn, Linn. 36. j!?. 147. 



Hab. Madagascar, O'oudot. 



63*. D. ambopiensis, Hk. ; st. 1-1| ft. 1., dull-brown, naked, like rachises ; fr. 

 lanceolate-deltoid, 9-12 in. 1., tripinnate ; pinnce lanceolate-deltoid, stalked, lowest 

 largest, with basal pinnl. much produced, the others close, sessile, lanceolate, 

 with a cuneate base |-j in br., deeply pinnatifid, with lanceolate ascending scgm., 

 sorus near base on inner side ; texture subcoriaceous ; surfaces naked ; venules 

 immersed, much ascending ; inv. minute, slightly intramarginal, as broad as deep. 

 — Hk. Sp. Fil. l.p, 178. t. 5Q. C. D. moluccana, Roxb. non Blume. 



Hab. Amboyna and Moluccas. — Less compound and firmer in texture than Denhami, 

 but perhaps not distinct sjaecifically. 



65*. Var. exserta (Microlepia exserta, Mett. Kuhn, Linn. 36. p. 148), from 

 Viti, has a very prominent receptacle protruding out of the involucre ; var. 

 trichosticha {J.'Sm.Hk. Sp. I. p. 183; D. divergens, Kze.), from Pliilippine 

 and Malay Isles, a less compound frond, lower pinnules deeply pinnatifid, with 

 subentire lobes, l|-2 lin. br. ; under surface covered with hairs with bulbous 

 bases, and slightly intramarginal sori. 



67. Includes three varieties, or perhaps species. 1. Type, from Society Isles, 

 sori as broad as deep, terminal or overtopped by a short horn. 2. D. brachy- 

 carpa, Mett. Kulin, Linn. 36. 164. New Hebrides, sori as broad as deep, over- 

 topped by a long horn. 3. Seemanni, Baker; Viti, texture more coriaceous; 

 sori twice as deep as broad, terminal on inner side of segments or rarely over- 

 topped by a short horn. 



70*. D. meifoUa, H. B. K. ; rhizome short-creeping ; st. 2-12 in. 1., erect, 

 naked, slender, stramineous ; fr. 1^-4 in. 1., lanceolate, deltoid, tripinnatifid ; 

 2nnna3 lanceolate, many lower subequal, |-1 in. 1., with wingless, slender, 

 angular rachises ; f;?H«?. patent, \-\ in., upper forked, lower pinnatifid ; segm. 

 ligulate, distant, 1-nerved, ^ lin. 1.; texture subcoriaceous; siirfmes naked; 

 sori terminal, cup-shaped, not margined. — Hk. Sp. 1. p. 189. Lindsaya Sprucei, 

 Hk. Sj/n. Fil. edit. 1 . p. 108. Davallia Sprucei, Baker, Fl. Bras.fasc. 49. p. 340. 

 Darea fumarioides, Willd. 



Hab. Amazon Valley, Spruce, 2988. 



72*. D. Forsteri, Carruth. ; st. 6-8 in. 1., naked, stramineous ; fr. rhomboid, 

 4-pinnate, i ft. 1. ; jnnnce and pinnl. ascending, rhomboid, stalked, the lowest 

 the largest, cuneate-truncate on lower side at base; final sc^?». ligulate-cuneate, 

 2-4 lin. 1., under I lin. br., texture subcoriaceous; surf aces n&ked ; sori minute, 

 terminal, with lamina produced on both sides as a border. — Adiantum clavatura, 

 Forst. non L. 



