38. ASPLENIUM, §§§§§ DIPLAZIUM. -2±1 



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

 regular parallel rows not reaching more than halfway from the midrib to the 

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



Hab. EcnadoT, Jameson. — Candes unknown. 



255. A. (Dipl.) Klatzschii, Mett. ; cavd. erect, subarborescent ; st. 1-2 ft. 1., 

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

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

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

 2 liu. 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. — m. Sp. 3. p. 263. Lotzea dipla- 

 zioides, JKJotzsch. 



Hab. Columbia and Venezuela. 



256. A. (J>\f\.) 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, 3-6 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 § in. br. ; texture sub- 

 coriaceous ; veinlets of tlie 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 ; lov>er 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 membranous ; 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 

 teeth.— Jlfea. Fil. Nov. Gran. p. 237. 



Hab. New Granada, Zindig, 349. — Trunk unknown. 



268. A. (Dipl.) Mans, Kunze ; caud. erect ; St. 12-18 in. 1., tufted, slightly 

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

 numerous, lanceolate, 2-3 in. 1., ^ in. br., with blunt subentire lobes I5-2 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 ; inrof. tumid. — Hi. Sp. 3. p. 233. 



Hab. West Indies to Ecuador. — Grisebach unites this with A . unibrotum, J. Sm. It 

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

 involucre. We include A, bogotense and allantodioidei of Karsten. 



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

 tufted, strong, erect, scaly below ; fr. 3-6 ft. 1., 2-3 ft. br. ; lower pinnte 12-18 in. 

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

 ones 3-4 in. 1., j-1 in. br., with Isroad blunt lobes j in. br., reaching J 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 ; loicer sori sometimes J in. 1. — A. dubium, Mett. 

 nk. Sp.3. p.2Ql {in part"). j3, A. expansum, Presl; rachis pubescent; pinnce 

 and hbes narrower ; sori shorter. — Diplazium, Wiltd. D. umbrosum, Willd. 

 D. Haenkeanum, Presl. 



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

 s,illy-distributed S. American large-growing tripinnatifid species. D. ambigwum, Raddi, is 

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

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



2 H 



