132 



magd., -^. Fig. 4 : lower portion of a youn gfilament, - *-. Fig, 



5 : portion of the lower part of frond in fig. I, magd., ? -ip. Fig. 



6 : portion ol a thicker branch, showing unequal thickness, ~. Fig. 

 7 : cross-section of a fertile branch, a little thicker than 400 /*, 

 - 3 j . Fig. 8 : portion of fig. 7 showing monospores, ^. Fig. 9 : 

 monospores, ^. Fig. 10 : vegetative cell, 3 *. 



PL. CXXXIII, Fig. 1-13. Fig. 1: younger and older fronds 

 in nat. state and size. Fig. 2 : a 28 cm. long filament detached, 

 (thickness ca. f) ; portion marked a, ca. 800 , thick ; b, 500 // ; 

 c, 300 p. Fig. 3 : portion of fig. 2 marked d, magd. to show 

 unequal thickness. Fig. 4 : portion of fig. 2 marked e, magd. 

 Fig. 5 : cross-section . of a branch 200 /' thick, the central cell 

 still present, ^-. Fig. 6 : surface-view of a thick branch, 3 ^. 

 Fig. 7 : longitudinal section of a branch showing the central cell, 

 ^1^. Fig. 8 : rooting portion of filament shown in fig. 4 of PL. 

 CXXXII, magd., 3 <p. Fig. 9: monospore (0.015-0.02 /*), *2. 

 Fig. 10 : monospore just germinated, g . Fig. 11 : young prothall- 

 ium, -*'\ Fig. 12 : more advanced prothallium having 6 vertical 

 branches, -^-ip. Fig. 13 : vertical section of a prothallium on the 

 leaf of Valisncria, having two young fronds a and b, ^~. 



Compsopogon Mont., 1846. 

 fe ii ^ L ? 7 J35- 



COMPSOPOGONACEAE (BANGIALES). 



- 11 <,- L 3 ') ft ('-> L \t n b $0- 



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fit - tfi jfc -y, & E * y 7 m M 3 ^ W: -y. 'I 1 tt - -J<. i-r 



*w 11 a > jg; y , - m a * "Wi M ' m 



