THE GEASTERS 



569 



G easier saccatus. Fr. 



The unexpanded plant is globose. Mycelium is universal. Exoperidium cut 

 in six to ten segments about half way, the limb deeply saccate. Mycelial layer 

 adnate to fibrillose. Fleshy layer, when dry, thin, adnate. Inner peridium sessile, 

 globose, with a determinate fibrillose mouth. 



The spores are globose, almost smooth. Lloyd. 



Mr. Lloyd thinks this plant is practically the same as the G. fimbriatus of 

 Europe, differing from it in being more deeply saccate and having a determinate 



Figure 487. Geaster saccatus. Natural size. 



Photo by C. G. Lloyd. 



mouth. This plant is very common on all the wooded hillsides about Chillicothe. 

 I have seen the ground on the top of Mt. Logan almost completely covered with 

 them. They are identified by Mr. Lloyd, Prof. Atkinson, and Dr. Peck. The 

 plants in Figure 487 were photographed by Mr. Lloyd from typical specimens. 



Geaster mammosus. Chcv 



Exporidium thin, rigid, hygroscopic, smooth, divided almost to the base into 

 about ten linear segments, often umbilicate at the base ; inner peridium globose, 

 smooth, sessile, furnished with a conical, even, protruding mouth, seated on a 

 definite area. 



Columella short, globose, evident (though distinct in mature plants). 



