S. compressa var. parvinodosa nov 
prominence from only slight elevations to almost 10 mm. In cross 
section they are elliptical and the inside is porous. The ends 
are rounded, may he somewhat swollen, in most instances they 
are broken and have a hollow interior. 
The calices are .6 to .7 mm. in diameter, and are sepa- 
rated hy a thickness of coenenchyma equal to or less than their 
own diameter. Oalieular margins very slightly or not at all 
elevated. The sculpture of the coenenchymal surface eroded and 
obliterated 
