102 18. DAVALLIA, §§§§§§§ STENOLOJIA. 



Hab. Kew Caledonia, Vieillard, No. 1550.— Very near Z>. dmala, but the pinnw aud 

 segments are rather stouter and more rigid in texture. 



73. D. (Steno.) davata, Swartz ; rhinome stout, creeping, densely, villose ; st. 

 strong, erect, 6-9 in. 1. ; fr. 6-9 in. 1., 3-4 in. br., ovate-lanoeokte, tri- or quadri- 

 pinnatifid ; pinncB distant, with distant pirml., the latter cut down to a filiform 

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

 cuneate, J-f in. 1., ^ lin. br. at the top ; sori terminal, suborbioular or reniform, 

 sometimes confluent. — H&. Sp. l.p. 187. 



Hab. West Indian Islands. 



74. D. (Steno.) tmuifolia, Swartz ; rhigotne stout, creeping, densely fibrillose ; 

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

 br., ovate, quadripinnatifid ; lower pinnw ovate^lanceolate, 4-6 in. 1., 2-3 in. br. ; 

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

 cuneate lobes, 1-1|- lin. across at the apex ; textwe subcoriaceous, both surfaces 

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

 than deep. — M&. Sp. Ml. 1. p. 186. — /3, D. chinetms, Smith ; Jr. sinaller ; 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 

 fijOOO ft. in the Himalayas, Madagascar, Bourbon, and Mauritius. 



** Fronds several feet long, usually clAmhing. 



76. D. (Steno.) imdnella, Kunze ; St. 6-8 ft. 1., wide-climbing, flexuose, prickly; 

 fr. tripinnate ; lower pinnae 1-2 ft. 1., with a long unbrahched terminal segment 

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

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

 bluntly lobed above ; veins not prominent ; texture thick, subcoriaceous ; sori 

 small, cupshaped, marginal. — Kwnze in Schh. Suppl. 2. p. 96. 1. 140. 



Hab. Cuba and Porto Bico. 



76. D. (Steno.) aculeata, Swartz ; rhisome creeping, stout, fibrillose ; st. 

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

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

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

 texture herbaceous ; veins prominent beneath, once or twice flabellately forked ; 

 sori small, cupshaped, terminal. — Sk. Sp. 1. p. 191. t. 64. B. 



Hab. West Indian Islands, common. 



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

 fr. quadripinnatifid; pinnl. oi lower pinnae 2-3 in. 1., 3^ in. br., ovate; segm. 

 1 in. 1., j in. br., cut down to the rachis below, lobes j-J 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. 



Hab. Madagascar ; gathered by Meller and Lyall. — Intermediate between D. aculeata 

 and lAndsaya retusa, 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. aculeata and the stem and 

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

 sligtitly broader at the apex than the base, usually only one-veined ; sori cup- 

 S-haped, as broad as the segment. — Hk. Sp. 1. p. 191. 



Hab. West Indian Islands. 



