Protococcoideae, Palmellaceae, Scotinosphaera. 639 



formen iri Hotanische Zeitung 39. Jahrg. n. 17, pag. 265 (Etym. 

 endon intus et sphaira sphiicra), Hansg. Prodr. p. 125, Frank in 

 Leuuis Syn. Pflanzenk III, p. 184. — Cellulao globosa), ellipticae, 

 triangulares vel forma irregulares, ut in Chlorochijtrio endophy- 

 tice vigentes; contentus densus, chlorophyllaceus, subinde hajmato- 

 chromaticus. 



Generatio zygotis e zoogonidiorum copulatione ortis. Zoogonidia 

 globosa vel piriformia, biciliata, bipartitione repetita contentus 

 celluhie matricalis (primo vere) efformata. Zygota magna, rotun- 

 data, lente mobilia, dein ad paginara inferiorem foliorum nonnulla- 

 rum plantarum aquaticarum adfixa, membranam induentia et, ut in 

 Chlorochijlrio, in meatibus intercellularibus parenchymatis foliorum 

 sub epidermide germinando penetrantia. Cellula juvenilis ita pene- 

 trata lente accreta, dein cellula perdurans (acineta) fit et vernali 

 tempore quiescens, per mensem martiuni seu aprilem zoogonidia 

 gignit. 



1. Endosphaera biennis Klebs loc. cit. t. III, f. 17-28, Hedwigia 1882, 1503 

 p. 4, Hansg. I. c. f. 73. — Cellulis plerumque globosis, raro for- 



ma irregularibus, 60, subinde ad 100 [j.. diam., membrana crassa, 

 saepe manifesto stratosa praeditis; coutentu plerumque chlorophyl- 

 laceo-viridi, quandoque ha^matochroraatis causa rufescente vel brun- 

 neo-rufo ; zoogonidiis 6,2 ^; 4,9. 



Ilab. in foliis plantarum nonnullarum aquaticarum ex. gr. Po- 

 taraogetonis lucentis, Spargaoii, Grarainacearura etc. 

 imprimis ad Argentoratum in Gerraania (Klebs) et ad « Nerato- 

 wio) in Boheraia (Hansgirg). 



2. Endosphaera? rubra Schroet. Neue Beitrage zur Algenflora Schle- 1504 

 siens in Jahresb. Schles. Gesellsch. 1883, p. 180 (sub Ghlorochij' 

 irio). — In meatibus intercellularibus vigens; cellulis singulis 90 ^ 60 



vel 2-4 in unoquoque meatu et tunc rainoribus; membrana 7-10 

 y.. crassa, inaequaliter incrassata, saepe passira constricta, raanife- 

 sto stratoso-gelatinosa, hyalina, in collum hyalinum abeunte ; con- 

 tentu Isete rubro. 



Hab. in foliis Menthne aquatica? et Peplidis Portulaj 

 imprimis ad «Rastatt)) Silesia3 (Sciiroeter). — Tubercula efficit 

 irregulariter globosa vel ovoidea, laete rubi-a, 



SCOTINOSPH^RA Klebs [1881] Beitriige zur Kenntniss niederer AI- 

 genformen in Botan. Zeitung 39. Jahrg. n, 19, pag. 300 (Etym. 



