61 



tissue surrounding the neucleus is more thickly developed than 

 allied species. Colour vinoso-purple fading to yellowish. Substance 

 cartilaginous and firm becoming almost horny in dried state. Plant 

 does not adhere to paper in drying. 



Affinities : In habit the plant is allied to Grateloupia fiilicina, 

 but widely different in consistence. The substance is more firm 

 than Gr. divaricata Okam. with which the present plant shows 

 some affinities. 



PL. CXV1I, Fig. i-u. Fig. 1: frond of Grateloupia ramosis- 

 sima Okam. n. sp., \. Fig. 2 : portion of the frond showing 

 branches disposed on all sides, \. Fig. 3 : cross-section of the 

 stem, - 5 ^. Fig. 4- : portion of the cross-section shown in fig. 3, 

 -p. Fig. 5 : cross-section of an upper branch, ^ ? . Fig. 6 : tetra- 

 sporic ramuli, f Fig. 7 : cross-section of a tetrasporic ramulus, 

 ^1*. Fig. 8: portion of the same magd., 2 ^ Q . Fig. 9: cystocarpic 

 ramuli, }. Fig. 10 : cross-section of a cystocarpic ramulus, s f-. 

 Fig. 11 : neucleus, 3 |A 



Grateloupia ramosissima frPE. 

 t i>' if *> T*. 



t v, W. ? Kt iL *, ;Dc f ? T % ' 



