158 Ethel McLennan and Isabel Gookson : Ascomycetes. 



We desire to record our appreciation of assistance given to us 

 by Mr. Laidlaw, B.Sc, Government Botanist and Biologist to the Agri- 

 jcultural Department, who placed the libraries of the National Herbar- 

 ium and Department of Agriculture (Science Branch) at our disposal, 

 and to Mr. C. C. Brittlebank, Vegetable Pathologist, for his very- 

 material assistance and interest in our work. 



REFERENCES. 



(1) Klotzsch, J. P., Sphaerosoma fuscescens, Kl. Flora Regni 



Borussici, 1839. 

 <2) Rouppert, C. Revision du genre Sphaerosoma. Bull. Internat. de 



I'Acad. Sci. Cracovie, 1908. 

 <3) Setchell, W. A. The genus Sphaerosoma. Univ. of California 



Publications in Botany, Vol. IV., 1910. 

 <4) Corda, A. C. J. Icones Fungorum, Bd. V., 1842. 

 <5) Zobel, J. B. In Corda, Icones Fungorum, Bd. VI., 1854. 

 <6) Seaver, F. J. Observations on Sphaerosoma and allied genera. 



Mycologia, vol. VI., 1914. 

 <7) Hennings, P. Ruhlandiella berolinensis, P. Henn. gen. nov. et 



sp. nov. Hedwigia, Bd. 42, 1903. 

 <8) Rodway, L. Notes and additions to the fungus flora of Tasmania. 



Proc. Roy. Soc. of Tasmania, 1919. 



(9) Seaver, F. J. The genus Lamprospora, with descriptions of two 



new species. Mycologia 4, No. 2, 1912. 



(10) Seaver, F. J. A preliminary study of the genus Lamprospora. 



Mycologia VI., No. 1, 1914. 

 <11) Rodway, L. Additions to the Fungus Flora of Tasmania, Part III. 

 Proc. Roy. Soc. of Tasmania, 1920. ' 



EXPLANATION OF PLATES. 



Detailed drawings have been made with the aid of the camera 

 lucida. 



Plate IX. 



Pig. 1. Plants of Sphaerosoma alveolatum, sp. nov. X 4. . 



Fig. 2. Diagrammatic representation of plant in vertical section. 



p., peridium; h., hymenium; b., broad basal attachment, X 8. 

 Fig. 3. Longitudinal section through outer portion of young plant. 



s., spores. X 103. 

 Fig. 4. Portion of an ascus, showing spores. X 375. 

 Fig. 5. Paraphyses. X 375. 

 Fig. 6. Operculate ascus. X 375. 

 Fig. 7. Mature spore: X 1125. 



PJ.ATE X. 



Pig. 1. Cordyceps furcata^ natural size, g., ground level. 

 Fig. 2, Cordyceps furcata, X 4. g., ground level. 

 Pig. 3. Longitudinal section through upper portion of capitulum, 



a., sterile apex, b., ostiole of perithecium. X 23. 

 Pig. 4. Single perithecium, with asci X 375. 

 Pig. 5. Portion of ascus. X 750. 



