328 GiGARTiNEiE. Phijllophora. 



XLIX. PjIYLLOPIIORA Grev. Alg. Br. p. 135 Cmiit. limit.) X 

 Ag. Alg. med. p. 93. Alg. Liehm. p. H in not. et Act. Holm. 

 4849 Ofvers. p. 88. Endl. Gen. Planl Suppl. III p. 38. Aresch. 

 Enum. p. 81. Ilarv. Phycol. snb tah. XX. Mont. Fl. Alg. p. 

 120, Piiyllotyiiis, Coccotyiiis, Acuntiiot^ius ct Pinlloplioia liiitz. 

 Phycol. p. 412 — 3 et Sp. Alg. p. 790 — 2 Spiucrococci sp. Ag. 

 Deiesseri;e sp. Lamour. 



Frons inferne caiiicscens aut costata, suporne in iaminas planas 

 soope prolificantes expaiisa, stralis celiularum duobus constituta; 

 interioril)us celiuiis anp;uiato-oi)longis suijinanilHis, corticaiiijus 

 verticaiiter radiatis rainoril)US. Kalidia intra pericarpiiim pro- 

 prium, sessiie aut pedicellatum, sai^pe tuberculosum aut riigo- 

 sum, clausum, nidulantia, gemmidiis miiuitis intra cellulas 

 prvTfjnantes plurimas, in nucleum compositum coalescentes, 

 constantia. Nemathecia externa pulvinata, in disco vel ad 

 basin folioli cvoluta, nunc globosa pedicellata, (ilis radiantibus 

 constituta, intra articulos rdoruin splia^rosporas cruciutira divisas 

 foventia. (Grev. Alg. Br. tah. 15). 



Frondis prima origo cst folium simplex, inforne costa plus 

 rainus ovidenti instructum, siiperne sensim turcatum uul laciniatum. 

 Lt prolongatur lioc, costa evidonlior evadit, lamiiue raarginantes in 

 nonnullis oblitcrantur et stipes caulisve oritur, demum teretiuscuius 

 et ramosus. Laminae itaque stipitat.ne aut ab iraa basi inclioantes, 

 obsolotius costatae aut costa percurscT, lineares aut cuneato-flabellata;, 

 sparse furcata^ aut decomposite dicliotoraa;, fere in omnibus insuper 

 foliolis prolificantibus ramosa3. Substantia frondes niembranacece sunt, 

 at satis firma), colore e roseo purpiirascentes. 



Duplici strato frons contoxta ost. CeIIuUi(3 raedicc oblongon an- 

 [julata}, in costa ct caulo magis longitudinalos, extcriores sensira 

 niiuorcs et mapis vorticales, colliilis siiperficialibus rainutis, vortica- 

 liter radialis. 



Fructus duplicis gonoris, in diversis individuis obveniontes, (ra- 

 rissirae in eodein individiio fructus utorque observatiis fuit). 



Kalidia intra poricarpiiim proprium, sossile aut pedicollatum, 

 cxtus lipve aiit sa?pissime tuborciilis rotundatis vel rugis elevatis in- 

 ;equalo, nidiilantia, a colliilis transformatis strati raedii orta. Gerami- 

 dia rotundato-an2uIala,plurima intra cellulas singulas evoluta, demiim 

 mombrana cclliilarum oblitorata, in catorvas dislinctas conglomorata, 

 lioc modo nucleum compositum ctriciontia. Pcricarpiura clausum, 



