103 IS. DAVALLIA, §§§§§§§ STENOLOMA. 



Hab. New Caledonia, VieiUard, No. 1550.— Very near D.clavala, but the pinnae and 

 segments are rather stouter and more rigid in texture. 



73. D. (Steno.) clavata, Swartz ; rhizome stout, creeping, densely villose ; st. 

 strong, erect, G-9 in; 1. ; //■. 6-9 in. 1., 3-4 in. hr., ovate-lanceolate, tri- or quadri- 

 pinnatifid ; pinnae distant, with distant pinnl., the latter cut down to a filiform 

 rachis ; scqm. again pinnatifid, ultimate divisions herbaceous in texture, linear- 

 cuneate, j-| in. 1., \ lin, br. at the top ; sori terminal, suborbicular or reniform, 

 sometimes confluent. — Hk, Sp. l.p. 187. 



Hab. West Indian Islands. 



74. D. (Steno.) tcnuifolia, Swartz ; rhizome stout, creeping, densely fibrillose ; 

 St. strong, erect, polished, naked, dark-brown, 6-12 in. 1. ; fr, 12-18 in. 1., 6-9 in. 

 br., ovate, quadripinnatifid ; low q\- pinnae ovate-lanceolate, 4-6 in. 1., 2-3 in. br. ; 

 pin7ii. lanceolate, their segments cut down to the rachis below with toothed 

 cuneate lobes, 1-1^ lin. across at the apex ; texture subcoriaceous, both surfaces 

 naked, the upper shining ; sori terminal, usually solitary, often rather broader 

 than deep. — Hk. Sp. Fil. \. p. 186. — j8, D. chinensis, Smith ; fr. smaller ; segm. 

 broader ; sori 1 to 4 in a lobe. — Hk. Sp. 1. p. 187. 



Hab. Common in tropical Asia and Polynesia, ascending northward to Japan, and 

 5,000 ft. in the Himalayas, Madagascar, Bourbon, and Mauritius. 



** Fronds several feet long, usually climbing. 



75. D. (Steno.) ?<««'HeZ/a, Kunze ; 5#. 6-8 ft. 1., wide-climbing, flexuose, prickly; 

 fr. tripinnate ; lower pinnte 1-2 ft. 1., with a long unbranched terminal segment 



and a few lateral ones, the lowest of which are also long and flexuose ; segm. 

 J in. br. and deep, obliquely truncate below, blunt at the point, broadly and 

 bluntly lobed above ; veins not prominent ; texture thick, subcoriaceous ; soi"i 

 small, cupshaped, marginal. — Kunze in Schk. Suppl. 2. p. 96. t. 140. 



Hab. Cuba and Porto Rico. 



70. D. (Steno.) aculeata, Swartz ; rhizome creeping, stout, fibrillose ; st. 

 (including rachis) 4-6 ft. 1., strong, scandent, spinoso-flexuose ; fr. tripinnatifid ; 

 \o\\ev pinnae 12-18 in. 1., 4-6 in. br., ovate-lanceolate ; pinnl. lanceolate, 2-3 in. 

 ]., 1 in. br. ; segm. \ in. br., cuneate, deeply 2 to 4 lobed, lobes with 2 or 4 veins; 

 Zc.r^Mre herbaceous ; veins prominent beneath, once or twice flabellateJy forked ; 

 sori small, cupshaped, teiminal. — Hk. Sp. \.p. 191. t. 54. B. 



Hab. West Indian Islands, common. 



77. D. (Steno.) ferruginea, Desv. ; st. wide-creeping, scandent, not prickly ; 

 fr. quadripinnatifid; ^;i2«7?/. of lower pinnte 2-3 in. 1., ]| in. br., ovate ; segm. 

 1 in. 1., I in. br., cut down to the racbis below, lobes -^-§ in. br., cuneate at the 

 base, both deeply toothed and shallowly crenate ; texture herbaceous ; veins not 

 prominent ; sori small, marginal, shallow, usually cupshaped, sometimes but not 

 always as broad as the lobe in which they are placed, sometimes two-confluent. 

 D. Melleri, Hk. edit. 1. 



Ilab. Madagascar; gathered by Meller and Lyall. — Intermediate between D. acuhata 

 and Lindsaya relusa, and, according to our definitions, with as good a right to be placed 

 in one genus as the other. 



78. D. (Steno.) fumarioides, Swartz ; habit of D. aculcata and the stem and 

 rachises similarly prickly, but segm. smaller and more deeply cut, the lobes but 

 slightly broader at the apex tiian the base, usually only one-veined ; sori cup- 

 s)',aped, as broad as the segment. — Hk. Sp. l.^;». 191. 



Ilab. \Yest Indian Islands. 



