59 r 



-Hot. Mag. Tokyo. Vol. XXX, p. 243). I do not mind 

 here to enter into the discussion of his identification, hut 

 simply describe and illustrate the plant with the specific- 

 name formerly offered by Kjellman. 



PL. CLXV, fig. 1-10. fig. 1: fronds of Ulva coiigfobata 

 Kjellm., 1. Fig. 2: f. i/cfiyu, i. Fig. 3: one of crisped fronds 

 isolated and extended, ]. Fig. 4: longitudinal section of 

 the basal portion of f. fyfiicn, y; thickness of the membranous 

 portion 100 .". Fig. 5 : surface-view of the portion near 

 base. '"; 7 . Fig. 6-8 : cross-sections of several portions of one 

 and the same frond, upper, middle and basal portions re- 

 spectively, and 37 ,", 103 ,", 100-125 . thick also respectively, 

 -'_'". pj^ Q . sur f ac g. v f ew o f f ron d to show the thickness of 

 cell wall, ~"j ;7 . Fig. 10 : cross-section of fertile portion of 

 frond, 47 , thick, --'. 



Ulva (L.) Wittr. 

 A fr 3 SS- 



UI.YACKAK. r> & ? 



B - : ft If? - > 7 IK ^ T % ^ * / - fr f 



& fi ' ** ? l > Jfc * ' *H & '? ? A; ^ r M * 7 ^ jfi y 



as ^ &. ? w % * a jKiift iw * > ? ^5 E ? T * mm 



ifii - vfV t ,j viV - fSi 5C - n H ^ r k - i- y -i Kj 7 j ^ . JNH flti 

 - ? ffi -t ^.*v X 4 & -^ -fill ^ *H Jft ^ -^ -^ flft Fii - ilC 



