482 GELIDIE.C. Ptilopkora. 



Cauiis pennam scriptorium fere CIMSSIIS, tereliu^culus, miilique 

 Miiriiitissimis pulhilaiitilnis borridus, superne in rostam abiens , eodem 

 modo horridulam, utrint|iic. alatam lamina lincari, margine minute undulata 

 et crispa, plicis in pinnas frondi conformes excrescentibus. Frons itaque 

 clecomposito-pinnata, I'ere pedalis, 1 2-lincas lala, costata, costa phyllis 

 minutis prolifera. Pinna) oblusu, 1 lineares ct frondi conformes. Phylla 

 costa? scmilincnm vix longa, obovata, margine crenata. Color roseus. 

 Substanlia pergamena. Microscopio subjecta solas a superficie egredientes 

 simpliciusculas acutissimas rudes plurimas effort. 



Planla distinctissima. Habitu cum Suhria pra?.cipuc convenit. 



LXXYIF. PTEROCLADIA J. Atj. mscr. Gelidii sp. Sander, Kiitz. 

 Pliyllophone sp. Grev. Spheertfcoccus? sp. Ag. 



Frons anceps subcostala, pinnatim dccomposita, stratis (ribus con- 

 toxta; libris interioribiis longitudinalibus densissiine intertoxtis, 

 oblique in cellulas majoros rotundatas excurrehTibus, exlorio- 

 ribus collulis minoribus, in lila moniliformia voiticalia con- 

 junctis. Clinidia in altorutora pagina liomisphoerice promincntia, 

 unilocularia, ad placentam parietalcm, libris plurimis cum teclo 

 poricarpii junctam, gemmidia obovata, in lilis elongatis termi- 

 nalia, lovenlia. Sphcerosporce infra apices pinnarum inter fila 

 raoniliformia ovoluta 1 , rotundata 1 , cruciatini divistc. 



Frondes ancipitcs costata 1 , infcrne caulescent.es pinnatim de- 

 conipositaj, pinnis a margine cxeuntibus nee non proliQcationum 

 ad instar a costa et margine frondis dilaceratffi emergentibus. Pinna* 

 lineares, juniores dentibiis obtusis patenlibus, demum in pinnulas 

 excrescentibns, obsita 1 ; adultiores costata 1 , piniuilis instiiictac; seniles 

 ad nudam costam reductte, margine in pinnulam transeunte, axillis 

 nempe sensim doorsum profundius lissis, laminamqive a costa sc- 

 parantibus. Ilinc axilla 1 semper cicatricosa. Color purpurascens. 

 Substantia siibcartilaginea. 



Cellula 1 qua; stratum intiuium constiluunt sunt valde elongat;e 

 cl lihrasformes, plurima 1 longitudinales, paucic oblique transvcrsalcs, 

 densissimc intortoxta 1 ; cinguntur lue stralo cellularum breviorum 

 rolundaruin oblique cxcurrentium ct in cellulas minores, qua 1 stra- 

 tum exterius efliciunt, sensim transeunlium. Cellula} liaj extimre 

 minores, endochromate coloraho, in lila moniliformia verlicalia con- 

 junctsc. 



Cystocarpia in pagina ]>lana pinnularum hemispli.x'rice promi- 

 nenlia, s,T|iius singiila, dcmum dclabenlia, excavationem in altenitera 



