470 Bulletin 315 



or fonned in the lateral buds. Antheridia one or more, club-shaped, 

 arising from the oogonial or from a distinct hypha. Oospore smooth, 

 completely filling the oogonium, 12-15/: in diameter. Germination takes 

 place after a period of rest. 



Hab. Saprophytic in soil, Cork, Great Britain, Butler; on insects in 

 water, Germany, Pringsheim, de Bary; Wahrlich, England, Ward; France, 

 Dangeard. 



Species of Ascomycetes 



Yeasts. Adametz found a red and a white yeast. These are described 

 extensively by him. Adametz, Leopold. Untersuch. ii. d. niederen Pilze 

 der Ackerlcrume. Inaug. Diss., 39-49. 1886. 



Saccharomyces glutinus Fres. Adametz, Untersuch. ii. d. niederen Pilze 

 der Ackerkrume. Inaug. Diss. 1886. 



On peptone gelatin forms rose-red colonies at 10-12° C. after 9 days, 

 white at 17-18° C. in 4 days; colonies about 0.5 mm. high and 2 mm. in 

 diameter; mostly round, at first having a slimy appearance, later this is 

 lost. No liquefaction of gelatin occurs, grows as well on solid as in fluid 

 media, irrespective of acid or alkaline reaction. Under the microscope 

 the cells are colorless, partly single, partly two or three connected, globose 

 or oval, 3-5M in diameter, surrounded by a bright membrane; contents 

 granular, sometimes with a central or sometimes with a peripheral vacuole, 

 in which in the greater number of cases the characteristic red shimmer is 

 to be seen without much heating. 



In 10 per cent sugar nutrient solution with temperature of 20-25° C. 

 no fermentation is produced even after the course of 3-4 weeks. Reddish 

 sediment is produced. The solution above becomes cloudy. Inverts 

 cane sugar. (Description after Adametz.) 



Hab. Isolated from sandy and loamy soil, Germany, Adametz. 



Hansenia apiculata Lendner. Kohl, F. G., Die Hefepilze, 273-276.^^5. 



36-37. 1908. 



Syn. Saccharomyces apiculatus Rees. 



Cells usually lemon-shaped. If the nutrimental relations are unfavor- 

 able, ovate or elongated cells dominate. Spore formation is unknown. 

 It does not ferment maltose nor invert saccharose. In yeast water with 

 10 per cent dextrose gives 4.3 per cent alcohol. 



Hab. Isolated from soil, Germany, Miiller-Thurgau. 



Saccharomycopsis capsularis Schonning. Kohl, F. G., Die Hefepilze, 

 279. fig. 40. 1908. 



Cells ovate or sausage-shaped. Typical mycelium formation with 

 septa; cardinal points of budding, minimum under 5° C, optimum 25- 

 28° C, maximum 38.2° C. Develops quickly a white, uneven, felt-like 

 mat (kahmhaut) on the culture fluid; on solid media it forms a more or 



