*$/**, ? -10 : f? m ' & filfi / fc ^ jjug mo ^j, 01 _ u . |? 



' m m s, ?.-ia : m ; m m ' -- as, Y--IS : M ^ m m s - 

 au, -v. 



Dasyopsis plumosa (Bail, et Harv.) Schmitz. 

 Nom. Jap. : Dasy-modoki. 



PL LXXVIII, Fig. 17. 



Dasyopsis pluuwsa (Bail, et Harv.) Schmitz Die Gatlung Lopho- 

 thalia, 1893, P- 2 3 r ; Falkenb. Rhodomelaceen, 1901, p. 664; De 

 Ton! Syll. Alg. IV. p. nSo. Dasya plumosa Bail, et Harv. in Harv. 

 Ner. Bor. Amer. II, p. 66 ; J. Ag. Sp. Alg. II, p. 1238 ; Id. Till Alg. 

 Syst. XI, p. 108. 



Frond erect, compressed, ancipito-distichous, 2-3 times pinnate, 

 4-9 cm high in only two specimens now before us. Pinnae elongated, 

 patent and closely furnished with shorter and alternate pinnulae which 

 are equally patent. Pinnae and pinnulae are densely loaded with mono- 

 snhonous, distichous and alternate ramelli (i. e. " Kurztriebe") which 

 are straight and branched in sub-secund manner that is some 2-4 or 

 more laciniae issue from articulations along the upper side of the 

 monosiphonous rachis and some of laciniae are often forked. In 

 older frond pinnulae become mostly subulate after the decay of 

 ramelli. Articulations of ramelli are subequal to or shorter than the 

 diameter. Ramelli mostly alternate with pinnulae (that is "Lingtriebe") 

 on one and the same side of the branch bearing them and also 

 alternate with those on the ether side. Ramelli arise from infra-corti- 

 cal rhizoidal cells and their bases are covered with cortical cells which 

 appear as if reticulated in the upper portion of branch. Adventitious 

 ramelli often here and there arise from axils of pinnae and pinnulae. 

 Colour is vjnosobrpwn. Substance is soft and membranaccous, pretty 

 firmly adhering to paper in drying. 



