3i. BLECIINUM, § EUBLECIINUM. 183 



88. L. {V\&^.) pj/cnophylla, Kunze ; caud. stout, erect, woody; st. stout, 

 erect, naked, G-i) in. 1. ; fr. ovate-lanceolate, 2-3 ft. 1., 0-9 in. br. ; pinnce very 

 numerous, linear, spreading, 4-G in. 1., \ in. ])r., contiguous, narrowed on botlx 

 sides at the base, the point narrowed very gradually and finely toothed ; texture 

 coriaceous; veins inconspicuous ; /tr^i/e /r. similar, but the pinna? distant, and 

 narrowly linear ; rachis strong, erect, naked. — Ilk. Sp. 3. p. 21. t. 148. 



Hab. Java, Malayan Peninsula, and N. Hindostan, ascending to 10,000 ft. — The 

 pinnae of both the barren and fertile fronds are often but not always furnished with a 

 large gland at the base. 



39. L. (Plag.) eupJilebia, Kunze ; caud. stout, woody, elongated ; st. 1 ft. or 

 more 1., naked, erect, triquetrous below ; fr. ovate-lanceolate, 1-2 ft. 1., 0-12 in. 

 br. ; pinnce 1 in. or more apart at the base, erecto-patent, linear, 4-0 in. 1., 

 ^-| in. br., narrowed at the base on both sides and narrowed very gradually and 

 toothed towards the point ; texture subcoriaceous ; veins prominent ; fertile fr. 

 similar, but the pinnae more distant and narrowly linear ; rachis erect, naked. — 

 Ilk. Sp. 3. p. 20. 2nd Cent. t. 89. L. articulata,'i^. Muell. Frag. 5. p. 174. 



Hab. Japan and Tsus Sima ; gathered lately by Messrs. Oldham and Wilford, by 

 Dallachy at the source of the Mackay River, Australia, and N. Hindostan, ascending to 

 6,000 ft. — Pinnae much less numerous and more distant than in L. pycnophylla, and 

 venation not so fine. 



Tribe 7. Blechne^. 



Sori linear or oblonfr, dorsal, parallel with the midrib and edge of the segments, 

 not close to the latter. Invol. the same shape as the sorus, superior, opening towards 

 the midrib. Gen. 34-37. 



Gen. 34. Blechnum, L. (See page 402.) 



Sori linear, continuous, or nearly so, parallel with and usually contiguous to 

 the midrib. Invol. membranaceous, distinct from the edge of the frond. Fronds 

 uniform or slightly dimorphous, generally pinnate or pitmatifd, in one species 

 simple and in one bipinnate. Veins usually free. A not large gemcs of closely 

 resembling species, diffused vndely throughout Tropical aad South Temperate 

 regions. Tab. IV. f. 34. 



§ Eublechnum. Stem straight, frond 7iot more than simply pinnate. Sp, 1-17. 



* Frond usually simple. Sp. 1. 



1. B. Lanceola, Swartz ; rhizome slender, creeping, stoloniferous ; st. slender, 

 erect, 2-4 in. 1. ; fr. lanceolate, undivided, 4-G in. 1., |-^ in. br., narrowed 

 gradually from the centre in both directions, especially upwards ; texture sub- 

 coriaceous ; sori in a continuous line close to the midrib. — /3, B. trifoliatum, 

 Kaulf. ; //•. furnished with 1 or 2 pairs of small oblong obtuse lateral pinnce at 

 the base of the large terminal one. — Hk. Sp. 3. p. 47. Ic. p. 970. 



Hab. Tropical America from Panama southward to Brazil and Peru. — The little- 

 known B. plantagineum, PresI, is said to be like the type, but with a space between the 

 line of fructification and midrib. 



** Frond pinnatifid. Sp. 2-6. 



2. B. asplenioides, Swartz ; caud. ultimately elongated, clothed at the crown 

 with small linear scaJes ; st. none or short ; fr. linear-lanceolate, narrowed at 

 both ends, G-8 in. 1., i-| in. br. ; pinnce numerous, the central ones spreading, 

 lanceolate-deltoid, ^-% in. 1., \ in. br., the point acute or blunt, all connected at 

 the base, the lower ones dwindling in size very gradually ; texture subcoriaceous , 



