— 995 — 



clusa — aul glomerala, e cellulis aniylideisiuternls plcrumquo 

 oriunda et in cavernuJis thalli (fiivellidia I. Ag.) latentia, vel 



in cistulis clausis v. hiantibus (coccidia, keramidia) h cx- 



serlis et pedunculatis, thallo contmuis eique saepius histolo- 

 §ice isomorpliis, conferta, fihs intertexta v. placenta dendroi- 

 dea V. compacta suffulla; differunt favvllce Ceramialium e cel- 

 lula unica formalae, gonidiis ejus in ovula plura compactis. 

 AlgtC heterogoniae (rubrae), quasi dioecae, producunt alia o- 

 vula (epithallina), globosa v. oblonga, solitaria v. conferta, 

 thallo V. segmentis cjus (ooclonia, oophylla, oocladia, stichi- 

 dia) immersa , angulatim, cruciato- oblique v. zonatim ■'I- 

 parlita, rarius bi-tri-partibilia (Tetroidia gono-stauro-Ioxo-v. 

 discoschiza noh.; Sphaerosporse I. Ag.), melamorphosin primam 

 ovuli animaliiim simulantia. Antheridia (paraspermia Kzg., 

 spermocystae) iu Fucinis a Thuretio et Decaisneo nuper 

 observata, sistunt vesiculas lutescentes, bitunicatas, cercariis 

 plenas, vesiculisseminalibus animalium inferiorum facile com- 

 paranda, in aliis Algis inquircnda; haec antheridia Fucorum, 

 filis arliculatis suffulta, in goniangiis (cryptis intrusis) ostio- 

 latis, propriis v. una c. ovulis roperiuntur; hinc Algse mo- 

 no-heteroclinae v. mon-dioecae vcrae dantur. Goniangia per 

 omnem thallum sparsa (Splanchnidii) v. ad c(rlas partes 



ihalli laxiores -\ conferta, sjnangia efficiuut. Nemathecia 



s. Sirolhelia (Tylocarpear. caet.) e paraphysibus densis et te- 

 troidiis simplic. v- concatenatis, iramersis constaut. Charace- 

 arum organa reproductiva suo loco adumbranda. 



Thallus variarum Algarum insuper profert paracarpia: 

 spermatoidia Kzg. slichidiis subsimilia, — Cutlleriae etc; op- 

 seospermatia Kzg. — ovula nuda? Alariae^ Ulotrichear. casl.; 

 cryptce paranemophorce (cryptoslomata Kzg.) s. foveolse, fila 

 confervina (cryptonemata Kzg.), rarius in prolem excrcscen- 

 lia, exserentes, in Fucariis, nec Algis rubris, obviae. E quo- 

 libet ovulo v. gonidiis mobilibus, singulis v. conferruminatis 

 Alga prodit immcdiate. 



