81 - 



^ . Fig. 4: surface view of steiile cells, shown in fig. 2, ^. Fi.J. 

 5: surface view ot sterile cells near fertile portion, showing neuclei and 

 pyrenoids, 3 :J. Fig. 6: cells containing swarmspores, : *^. Fig. 7: 

 cross-section of fertile portion shown in fig. 6 ; height of the cell 61 ft, 

 a *. Fig. 8: fertile frond ; s, sori ; }. Fig. 9: cross-section of the lower 

 portion of frond, 124 /< thick, :1 ' I "'. Fig. 10: surface view of cells shown 

 in fig. 9; <I ! 1 K1 . Fig 11: emptied fertile cells with openings.- -Fig. 12: 

 cross-section of fertile portion ; height of the cell in one side 48 //, 

 rt-io pj 13 . sw armspores, S J. -Fig. 14: basal portion of frond, ca. 

 10 , Fig. 15: vertical section of stem and holdfast, 472 fi thick at the 

 upper portion of the section, -* . 



Ulva pertusa Kjellm. 



ibtf&fcS^&fcS. 

 ^ CLXIX m JR, 8 ffl ; ^ CLXX JR. 



ita ~ n # x ~ 2-3 m & *, & % M. a ? a ? -^, u * 10-30 



cm. ^^^&.=- m *, ft K M ^ ftfc * . iKJ ^ T i$ ' ^ J* * -> ^ 

 Ht * S5 ^ Ptt ffi * 472 //. / J?: ^ T J , ;H: -^ / ^ ffi - J K ^ fti[ 9 

 ^f v, ^ a !> ^ -^ ^ IH5 ^ fW ^ ^ " - 1?- "^ ^ ^* ^ b * 125 " f* r 

 9 . ffi fi*" ^ ^ 7 * jft - Jiff * ijg iyj ? t - y , jr. ^ ^ 40-50 //. ^ y. |jft 

 ^ > ? I-R xr ^ -y r UP ^, fli ffl ft. frt M It JlJc, m IB fi* * '" 3F r J , 

 i?ff -v / '3? = ^ ^ ^* -y ? Q * r v \' -t , ji ViV %&^ffl. fl'J - ^ ^. 

 B^ b -y ? ^ f. ? t -> X " Ul ^ ^ ^ ii *.&& * -> ^ 4> & ^ 

 * Ki A ^ ^ M * - & 'ft * * * I?] ' ffl ^ ^ ^ ^^tt'i ^^ & J K 

 ^ ft ?L > t ^ fe Ufa *fi i *fr ^- flS ^ T ^ ^ a Jfe ^ E - fi ^ IB 

 tl-:JU * J ^?.*S ^ 2-3 iff g ^,^^1S-^-fcA'^^^^J >: fei& 



