612 ll.ORlDE.K. 



oiuM. iiT. plocauil:.!:. 



PLOC.VUIA N. al) E. eiiiend. 



Froiis siil)r:irnosa vd carlilaginoa, rylindraroa niit oom- 

 prcsso-|(Iann, siiixlicliofoino rainosissinia. Slrndiira rronflis : 

 ('('lliila' iiiaiiiuo, oi)longo-('ylin(lraco;e, gi^lalina liyalina aiil iiia- 

 toric granulosa lacilc (lirniiciilc rcplcko, iii lila imiiiililMiiiiia 

 donsissiino slipala poriplicriani vcrsiis ahonnlcs. Concciitiicula 

 lalcralia, iii ramis sossilia, ajiiciilala aiil papillala, gioinordliiin 

 sporarnin c placonla conlrali colluloso iiTadianliiiin inlra pcri- 

 carpiiiin c lilis arlioulalis (h^nsissiniis composiliiin rovcntia. 

 Tolrasporan oblonpc, iii (H^IInlis poripIicriiMS Irondis nidiilanlcs, 

 raro iiitor lila monilirormia occiilho, doni(pic in sporas (pialiior 

 crncialim divis.o. — Nebs ab Esknbeck, Hor. Phys. Berol., 

 p. /r2, ciim icoiic. — .M., F/. Chil.,\\\\, p. 29/|. — Endlich., 

 Gener. Phvnlar. Snpjd.., III. 



Syn. Sphcerococcus (]. Ac. — K(.. — (iracilaria (Ihev. — 

 .1. .\c.., pro parlo. — Ahnfeltim spoc, .1. .V(;. 



l/i(iO. Plocaiua divergens .M., — Fl. Alij.. [>. 72. — troiide carti- 

 laginea tereti-coinpressa tilironni, a liasi ramosissinia, i-amis pri- 

 inariis dichotoinis secundariis([ue subdistichis divaricatis fainulosis, 

 ramulis divergentibus, a[)ice bi-inultilidis; concci)taculis conlertis lale- 

 ralibus se.ssilibus heinispluiericis acumiiiato-nianiillatis . inlus sporas 

 ovoidco-gigartoideas foventibus. 



IIab. .Vd oras Algerienses : 3Ionaiid. 



Syn. SphdTococcus divergens C A(;.? — Kg., Spec, \>. 77.']. 



l/iGl. I'. IILTEUOCLADA M., — I. c.. [). 73, 1. K), t. 'i . — Irondc 

 cartila^inra [)lana laxe dichotoma, seynienlis lincarihus [)alenti-erectis 

 oblusiusculis, e mai'i;inc ranienta suhsecimda compressa apice ovoidea 

 tVuctigera einittenlibus; tetrasporis oblongis in strato (iorticali ranien- 

 torum nidulantibus, cruciatiiii i|uadridivisis. 



Hau. Iu littore. Alger : Monakd; Chcnrhfll : lk)iiY. — .1. Ag., Spec, 

 II, [). 705. 



Syn. Sphwrococcus heferocludus Kci., I. ( .. [>. 77'j. 



