OLIVE. — PRELIMINARY ENUMERATION OF THE SOROPHORE^. 343 



Saprophytic or parasitic orgauisms living on dung, or on algoe in fresh 

 or salt water. 



LABYRINTHULA Cienkowsky (1867). 



Amoeboe spindle-shaped, colorless, or colored by means of yellow fat 

 bodies. Spores borne in formless masses, producing one to four amoebse 

 at germination. 



The species of this genus have thus far been observed only by the 

 authors cited. 



Labyrinthula vitellina Cienkowsky. 

 Archiv. f. raikros. Anat., III. p. 274, Taf. 15-17. 1867. 



AmoebfB containing orange-red coloring matter, which turns blue with 

 iodine. Spores oval or spherical, 12ju in diameter, producing four amoiboe 

 at germination. 



Living on sea-weeds growing on piles in Odessa harbor, Russia. 



Labyrinthula macrocystis Cienk. 

 Archiv. f. mikros. Anat., III. p. 274, Taf. 15-17. 1867. 



Colorless or feebly yellowish. Spores spindle-shaped, 18 fi-20fi long, 

 imbedded in a hyaline substance ; the contents producing four amoebiB 

 at germination. 



Living on algoe growing on piles at a higher elevation than L. vittelina, 

 only submerged by the snrf. Russia. 



Labyrinthula Cienkowskii Zopf. 

 Beitrage zur Phys. u. Morph. niederer Organismen, II. p. 36-48, Taf. IV, V, 1892. 



Sori colorless, naked. Spores at germination producing only one or 

 at most two amoebfe. 



Living in fresh water, parasitic on Vaucheria. Germany. 



DIPLOPHRYS Barker (1868). 



Amoeba3 spindle-shaped or nearly spherical, with yellowish oil globules. 

 Fructification (in D. stercored) a definite stalked or sessile sorus. 



Diplophrys Archeri Barker. 

 Quart. Jour. Mic. Sci., VII. p. 123. 1868. 



Individuals nearly spherical or broadly elliptical, 4|U,-5^ in diameter, 

 bearing at almost opposite poles a tuft of filiform pseudopodia ; the pro- 



