HOWE 



PLATE 3 



Lithophijlliim homogeneum, n. sp. 



Fie. 1. Photograph of a radio-vertical section (from same fragment as section shown in flu;. : 

 showing secondary hypothallium, etc., enlarged 100 diameters. 



Fi;. ^--Photograph of an obliquely transverse- section of a part <>f a main axis, enlarged 

 diameters. 



