38. ASPLENIUM, DIPLAZIUM. 241 



pale-green ; rachis firm, naked ; veins 5 on each side in the lobes ; sori in 

 regular parallel rows not reaching more than -half way from the midrib to the 

 edge ; invol. rigid, nearly black. Hk. Sp. 3. p. 262. 



Hab. Ecuador, Jameson. Caudex unknown. 



255. A. (Dipl.) Klotzschii, Mett. ; caud. erect, subarborescent ; at. 1-2 ft. 1., 

 strong, erect, dark-brown, and scaly below; fr. 3-5 ft. 1., 9-18 in. br. ; 

 lower pinnce 6-9 in. 1., 3-4 in. br. ; lower pinnl. 2-3 in. 1., f in. br., cut down 

 nearly to the rachis into blunt spreading slightly-toothed linear-oblong lobes 

 2 lin. br. ; texture herbaceous ; colour deep-green ; rachis firm, naked ; veins 

 distant, pinnate, 4-6 on each side in the lobes ; sori linear-oblong, falling short of 

 the edge ; invol. tumid, brown, fimbriated. Hk. Sp. 3. p. 263. Lotzea dipla- 

 zioides, Klotzsch. 



Hab. Columbia and Venezuela. 



256. A. (Dipl.) flexuosum, Presl ; st. firm, naked, brownish ; fr. ample ; pinnce 

 with a very flexuose zigzag rachis and pinnl. deflexed and then curved 

 upwards ; lower pinnce 12-18 in. 1., 6-9 in. br. ; pinnl. stalked, 3-5 in. 1., 1-2 in. 

 br., the apex serrated only, the upper part lobed, the lower cut down nearly or 

 quite to the rachis into blunt subentire oblong lobes f in. br. ; texture sub- 

 coriaceous ; veinlets of the lobes forked, 7-8 on a side ; sori long, linear, in 

 regular rows not reaching the edge. Hk. Sp. 3. p. 263. 



Hab. Peru. Caudex unknown. 



257- A. (Dipl.) vastum, Mett. ; fr. ample, bipinnatifid ; lower pinnce 2 ft. 1., 

 7 in. br., ovate-lanceolate, acuminate ; pinnl. close, patent, 3^ in. 1., 1 in. br., 

 oblong-acuminate, cut down nearly or below quite to the rachis into toothed 

 linear-oblong lobes ; texture subcoriaceous ; rachis stramineous, slightly downy 

 upwards ; both sides quite naked ; veins pinnate in the lobes, with 6-8 mostly 

 simple veinlets on a side ; sori reaching from the midrib to the base of the 

 teetfa.~Jft#. Fil. Nov. Gran. p. 237. 



Hab. New Granada, Lindig, 349. Trunk unknown. 



258. A. (Dipl.) hians, Kunze ; caud. erect ; st. 12-18 in. 1., tufted, slightly 

 scaly ; fr. 3-4 ft. 1., 2-3 ft. br. ; lower pinnce I ft. or more 1., 4-6 in. br. ; pinnl. 

 numerous, lanceolate, 2-3 in. 1., |-| in. br., with blunt subentire lobes l|-2 lin. 

 br., reaching nearly down to the rachis ; texture herbaceous ; colour dark-green ; 

 rachis and both sides naked ; veinlets 3-4 on each side ; sori short, oblong, only 

 the lower ones double ; invol. tumid. Hk. Sp. 3. p. 233. 



Hab. West Indies to Ecuador. Grisebach unites this with A. umbrosum, J. Sin. It 

 differs from the next by its narrower pinnee and lobes, much shorter sori, and tumid 

 involucre. 



259. A. (Dipl.) radicans, Schk. ; caud. erect, subarborescent; st. 1-2 ft. 1., 

 tufted, strong, erect, scaly below ; fr. 3-5 ft. 1., 2-3 ft. br. ; lower pinnce 12-18 in. 

 1., 6-8 in. br. ; pinnl. numerous, lanceolate, sessile, the upper ones entire, lower 

 ones 3-4 in. 1., f-1 in. br., with broad blunt lobes J in. br., reaching | or f of the 

 way down to the rachis ; texture herbaceous ; rachis naked or slightly pubescent ; 

 veins 4-6 on each side in a lobe ; lower sori sometimes in. 1. A. dubium, Mett. 

 Hk. Sp. 3. p. 261 (in part}. /S, A. expansum, Presl; rachis pubescent; pinnce 

 and lobes narrower; sori shorter. Diplazium, Willd. D. umbrosum, Willd. 

 D. Haenkeanum, Presl. 



Hab. Tropical America, from Cuba and Columbia to Brazil and Peru. The univer- 

 sally-distributed S. American large-growing tripinnatifid species. D. ambigmim, Raddi, is 

 probably essentially the same, but the figure represents the pinnae as only slightly lobed, 

 with which Brazilian and Peruvian examples from Sellow and Spruce coincide, 



2 H 



