TAB. XL.
M E N IS C IU M . Schreh.
Son dorso venularum transversaruin insidentes, breviter lineares au t oblongo-
lineares, demum submde confluentes— Caulis arborescens aut rhizoma subrotundum.
VvoMes fasciculatoe, tenuiter coriaceoe, pinnatæ. Venæ pinnatæ, creberrimæ costoe-
formes, paraüelæ, apice obiuso incrassato libero desinentes, ramosoe. Venulæ p in natæ,
elevatæ, oppositæ in arcum triangulärem plus minus acutum anastomosantes,
venulam secundariam liberam clavatam ex apice cujusKbet arcus emittentes.— S p e c j s
intratropicoe, Asiaticæ et Americanæ. Presl.
Meniscium palustre. Pa d d i. ( T a b . X L .)
Meniscium triphyllum, Sw., M. angustifolium, Willd., M. serratum, Cav., M. cuspidatum,
., m. reüculatum. Sw., and M. arborescens, Humb., besides the one here figured, are the
species of this Genus enumerated by Presi.
Fig. 1. Under surface, aud f . 2. upper surface of a portion of a frond ; magn. 2 d i am .- / : 3. Under
surface of a smaller portion ; m. 10 d i a m . / 4. The same, with most of the sporangia removed , « .
0 d i am .- / : S. Vertical section of two sori ; m. 20 d i a m . / 6. 6. Sporangia in various stages ;
100 diam—f . 7. Sporules; m. 200 diam.