Explanation of Plate 33 



I. Thecotheus pelletieri (Crouan) Sacc. 



a. Several plants natural size. 



b. Mature and immature cups X 10. 



c. Ascus and paraphyses X 400. 



d. Ascus to show operculum X 400. 



e. One spore with membrane X 1000. 



II. Rhyparobius crustaceus (Fuekel) Rehm. 



a. Plants about natural size. 



b. Plants X 10. 



c. One plant to show projecting asci X 30. 



d. Ascus and paraphyses X 1000. 



e. Ascus to show operculum X 800. 



196 



