51. MONOGRAMME, EUMONOGRAMME, PLEUROGRAMME. 375 



Eumonogramme. Frond with a central vein only. Sp. 1 7. 



1. M. darececarpa, Hk. ; rhizome slender, wide-creeping ; scales linear ; fr. f-1 

 in. 1., -| lin. br. upwards, narrowed gradually downwards into a short slender 

 stem ; texture subcoriaceous ; sori sunk in a deep cleft on one side of the midrib, 

 the wing which covers it reaching nearly to the edge. Hk. Sp. 5. p. 121. 

 t. 287. A. 



Hab. Labuan, Borneo, Barler. 



2. M. graminea, Schk. ; rhizome slender, wide-creeping, clothed with squarrose 

 fibrillose brown scales ; fr. 1-2 in. 1., |- lin. br., flaccid, grass-like ; the costa 

 indistinct ; the sori in a line 2-3 lin, 1. near the apex, where the edges are incurved. 

 M. linearis, Klf. Hk. Sp. 5. p. 122. 



Hab. Cape Colony, Mauritius, and Bourbon. 



3. M. subfalcata, Hk. ; rhizome slender, wide-creeping ; fr. 1 in. 1., ^ lin. br. 

 towards the point, tapering gradually downwards into an indistinct stem ; texture 

 subcoriaceous ; sori sunk in an unequal-sided longitudinal furrow, extending 

 about | in. from the apex. Hk. Sp. 5. p. 122. t. 219. A. 



Hab. New Hebrides, O. Moore. 



4. M. trichoidea, J. Sm. ; rhizome very slender ; fr. 3-4 in. 1., densely csespitose, 

 threadlike, the fertile one dilated in two or three places for a space of J in., and 

 there bearing the sori in a longitudinal furrow, with a high raised edge on both 

 sides. Hk. Sp. 5. p. 123. Vaginularia, Fee. 



Hab. Philippines, Cuming, 160. 



5. M. rostrata, Hk. ; fr. densely csespitose, 3-4 in. 1., 1 lin. br., tapering to the 

 point and gradually downwards into an indistinct stem ; texture coriaceous ; the 

 surface naked ; the midrib very distinct ; the sori quite sunk in a longitudinal 

 furrow 1-2 in. 1. Hk. Sp. 5. p. 122. t. 287. B. 



Hab. Nicaragua, C. Wright. 



6. M. Junghuhnii, Hk. ; rhizome slender ; fr. densely csespitose, grass-like, 

 flaccid, 6-12 in. 1., J-| lin. br. ; texture herbaceous ; sori deeply sunk in a furrow 

 on one, or, according to Brackenridge, on both sides of the midrib. Hk. Sp. 5. 

 p. 123. t. 289. B. Diclidopteris angustissima, Brack. 



Hab. Ceylon, Java, Philippines, and Polynesian Islands. 



7. M. graminoides, Baker ; fr. tufted, |-1| in. 1., \-\ lin. br., simple or once 

 dichotomously forked, narrowed below to an indistinct stem ; texture coriaceous ; 

 midrib prominent ; sorus linear-oblong, arising from the midrib near the dilated 

 point ; the edge scarcely incurved. Grammitis, Sw. M. furcata, Desv. 9 Hk. 

 Sp. 5. p. 121. Cochlidium, Kaulf. 



Hab. Jamaica, Brazil, St. Helena, and reported from Chili by C. Gay. 



Pleurogramme, Fee. Fronds with indistinct simple lateral veins in addition 

 to the midrib. Sp. 8-9. 



8. M. (Pleur.) seminuda, Baker ; fr. csespitose, 4-8 in. 1., l|-2 lin. br., tapering 

 downwards into an indistinct stem ; texture coriaceous, rigid ; veins simple, 

 oblique, not reaching the edge ; sori not sunk in a cavity, originating as 2 rows 

 close to the midrib, which are ultimately confluent, covering the whole of the 



