Ulva conglobata Kjellm. and f. (lensa Kjcllm. 



Nom. Jap. : J-!t'tmi-n:ci>Sii. 



PL. CLXV, Fig. 1-10. 



Uk'a conglobata Kjellm. Marina Chlorophyc. fr. Japan 

 1897, p. 10, tab. 2, f. 1-7, tab. 3, f. 9-14. 



Fnml minor, usually 2-4 cm. high, 100-125 M thick at 

 the basal portion which becomes subcartilaginous later, 

 upper portion thin and membranous, 30-50 /< thick, bright 

 green, not mucose, with very short stipe, caesjpitose and 

 expanding in almost circular mass, branching or parting 

 from base into many lobes which expand to oval or oblong 

 segments, often much dilated, more or less decompounded- 

 with lobules or lacinulae and very much undulato-crisped, 

 cucullated, and not pertused with foramens ; cells in the basal 

 portion prismatic and lumen of cells 1A-2 times high as thick 

 in transverse section with thickened outer walls, those of 

 upper and marginal portions subequal to or little higher than 

 broad ; fertile cells slightly higher than the vegetative cells 

 of that portion, afterward becoming a little prominent with 

 aperture. 



f. densa Kjellm. Minor, forming globular mass of about 

 1 cm. diameter, rather thick membranous. 



Hnb. : On rocks near high tide. Prov. Satsuma, Ama- 

 kusa-Isl., Goto Isl., Shiwono-misaki, Prov. Sagami and 

 Boshyu. 



Mr. Yendo is of opinion that the present species is same 

 as U. rigiilu Ag. (Yendo: Notes on Algae new to Japan, V, 



