Rll PhyeornycettE. Cliytridiaceip, Phlyctochytrium. 



'Etyin. eurys latus et chasme liiatusj. — Chytridinea, endopliytica 

 mycelio et rliizinis carens. Sporangia primitus subrotunda, olpi- 

 dioidea. deiu plus minus irregulariter tumentia et scissuram in 

 cellula matficis efficientia et per eam plus minus penetrantia. Zoo- 

 spor;i2 per papillam unicam v. plures fatiscentes sporangii ex- 

 euntes. 



1. Eurychasma Dlcksonli {Wright) Magn. 1. c. Ita vocandum Rhizo- 3240 

 phidiiun lJ/cl\so}iii Wright Magnus, 1. c, Petersen, I. c, c. ic. — 

 Syll. IX, p. 36i. 



2. Eurychasma sacculus Petersen, 1. c, p. 477, cum icon. — Spo- ^^^^ 

 rangiis ilHs Euri/ch. Diclisonii subconformibus, magnitudine variis, 

 extus 48 usque ad 184 a. altis, intus 40 usque ad 192 |j.. ; tunica 

 hyaHna, levi, jodii ope obscure violacea. 



Hab. in cellulis superficialibus v. etiam profundis et plus mi- 

 nusve hypertrophicis Halosacci ramentacei et Rhodyme- 

 nicG palmatse, in Groenlandia. 



PHLYCTIDIUIVI A. Braun — Syll. VII p. 308, IX p. 360. 



1. Phlyctidium Chlorogonii Serbinow, ScriptaHortibot. Petrop. XXIV 3242 

 (1907) V. Minden Krypt. Fl. Brand. V, pag. 315. — Sporangiis 

 sessihbus. singulis v. sociatis, globosis, dein maturis papilla eje- 

 ctionis rostellata praeditis et tunc phialiformibus, basi haustorio 

 globoso-elUpsoideo fultis, 6-8 \i. diam.; zoosporis globosis, 1-5 a. 

 diam., longe 1-ciliatis, nucleolatis; sporis pedunculatis ignotis. ' 

 Hdb. in Chlorogonio euchloro m Rossia. 



CHYTRIDIUM A. Br. — Syll. VII p. 304, IX p 358, XI p. 250, XIV 

 p. 446, XVII p. 513. 



1. Chytrldlum gibbosum ScherfiPel, Hedwigia 0902) p. 105. — Spo- 3243 

 riugiis sessiiibus sacciformibus, gibborfis, operculo convexo dehi- 

 scentibus, vesicula infrasporangiaH intramatricali rhizoides gignen- 

 te pr;editis; zooHporis 1-ciHatis, giobosis, guttulatis, saltitantibus. 

 Hab. in Cladophor;i' sp,, Budapest Hungari;u. 



PHLYCTOCHYTRIUVI Schrot. — Syll XIV p. 36. 



1. Phlyctochytrium stellatum H. E. Peters, Ann. Mycol. VHI (1910) 3244 

 p. 550, fig. '22 a-h, d, fig. 23. — Habitu vegetativo ut in Phltjct. 

 Schenlcii : zoo.sporaugiis ex parte intramatricaH orientibus; zoospo- 

 ris zoosporangia formantibus, tumescentibus et vesicam lateralem 

 ijrocreantibus; zoosporis per orificium prope j^artem extramatri- 



