652 SPH.KROCOCCOIDE*. ]\f tophi/ Hum. 



Bory. Voy. Coqu. n. XXIV. Aglaophvllum Mont, in D'Orb. Voy. 

 p. ;}3 in not. et Flor. Canar. Cell. p. 150. End I. Gen. Plant. 

 Suppl. III. p. 52. Delesseria 1 sp. Lamuur. et Ag. Aglaophyllum 

 Schizoglossum ct Cryptopleura Kiitz. Pliycol. et Sp. Altj. 



Frons plana membranacea avenia aut venis a stipite continuatissursunj 



evuncscentibns percursa, infcrnc subduplici, supcrne simplici stralo 

 ccllularum contexta, colliilis rotundato-angiilatis. Coccidia in 

 fronde sessilia depressa, gemmidia obovata, in tills nrticulalis 

 dichotomo-Castigiatis a placenta hasali late expansa egredien- 

 tibus cvolula, intra periearpium tenue, cellulis concentricis con- 

 fl.iliun, deuium carpostomio aperluin, foventia. Sphcerospora; 

 in soros ambitu delinitos collecte, rotmidate triangulo divisx. 



Frondes tenue raerabranacfeae, rosOc%', ali<niando purpureic ot 

 imino lividie, mine minuUe in aliis Algis aggregate, mine majores 

 et caespiles proprios constitucntes, sessiles aut plenunque slipitate. 

 venis omnibus destitute aut venosaj, venis nenipc in stipite con- 

 junetis Core costam Connantibiis, dein in lamina invicem separalis 

 et ramosis, ramis singulis ad sogmenta majora Irondis tendentibus. 

 Vcnre in Irondibus junioribus vix conspicuae, in adultioril)us sensim 

 evidentiores, in nonmillis speciebus nullo "aetatis stadio obvenien- 

 tes. Lamina varie divisa, mine angusta fere linearis dichotoma aut 

 pinnata, mine et saepius cuneato-flabellata vel iinmo reniformis 

 plus minus evidenter palraatisecta aut segmento principal! elongato 

 pinnatisecta. Coccidia per parenchyma Irondis sparsa, mine oaque 

 per tolam fiondem, mine submarginalia, mine mediam tantum par- 

 Icin occtipantia. Sori spliaerosporarum aut infra apices laciniaruru 

 solitarii, aut ju\ta marginom seriati, aut denique per totam Cron- 

 dem spars!. 



Lamina junior Crondis semper, ni fallor, unica cellularimi serio 

 constat. In quibusdam lamina cum aetate crassior evadit et duplicem 

 aut multiplied!) seriem cellularum offert. In bis vena? quoque cum 

 a'lato' evidentiores limit, at<iue stipes crassior et fere costatus. Frons 

 itaquc adulta babel stipitem subduplici strato cellulurum contcxtum; 

 stratum interius, cellulis longioribus longitudinalibus constans, in 

 stipite evidens, in venis principalibus contimiatum, sursuiu obsoles- 

 cil. Stratum exteiius inferne venas ulrinque investiens, superne 

 unica serio cellularum constat. Celluliu strati exterioris rotundato- 

 iiiijjulala 1 , satis iDagiijt 1 , (Midochromate colorato Carcte, parietibus 

 crassis sejiiiict;e, quare Irons microscopic subjecta arcolata apparet. 



