XIV 



CONTENTS. 



Ascoinycetes. 

 GENERAL Characters. Sporocarps. 



SECTION 



L1X. 



LX. 



LXI. 



LXII. 



LXI 1 1. 



LXIV. 



LXV. 



LXVI. 



LXVII. 



LXVI 1 1. 



l.XIX. 



LXX. 



LXXI. 



1 XXII. 



Structure of sporocarp. 

 Apothccia 

 Pcrithecia 

 Cleistocarpous forms.— 



Apothccium, perithecium, clcistocarp 



■Elaphomyces. — Tuberaceae. — Onygena. — Myri- 



Origin of Sporocarp. 



Review of the main facts, i. Eremascus. — 2. Genera which have at 

 first a distinct archicarp with no distinct envelope. — 3. Polystigma 

 with archicarp in the primordium of the sporocarp. — 4. Xylaria and 

 allies with a temporary Woronin's hypha. — Genera without a distinct 

 archicarp 



Separate descriptions. 



1. Erysipheae 



2. Eurotium 



3. Penicillium 



4. Gymnoascus. Ctenomyces ....... 



5. Ascobolus 



6. Pyronema 



7. Sordana. Melanospora 



8. Collemaceae 



9. Forms with archicarp imperfectly examined .... 



10. Polystigma . . . . . . 



11. Xylarieae 



12. Sclerotinieae 



13. Pleospora-herbarum . 



14. Claviceps, Epichloe, Cordyceps, Nectria and others 



15. Ascodesmis 



16. Sphyridium, Baeomyces, Cladonia and others 



Early investigations into the development of the sporocarp in Lichens . 



The Course of Development in Ascomycetes. 



Statement of facts. Species without gonidia ; others with a regularly 

 intercalated formation of gonidia. Different forms of gonidia in the 

 same species. Microgonidia and megalogonidia. Pycnidia, pyeno- 

 spores, stylospores.— Examples of species which have been fully 

 examined ............ 



Homologies of the members of the development in Ascomycetes. 

 Controversy regarding the sexual organs 



page 



185 

 187 



190 



193 



197 



201 



203 



204 

 206 

 206 



208 



210 



21 I 

 214 

 215 

 2l6 

 218 

 220 

 220 

 221 

 221 



222 



Determination of imperfei rxv known Ascomycetes. 



The points on which the question turns 



Archicarps, sporocarps .... 



Spermogonia and spermatia 



Doubtful spermatia .... 



Gonidia, gonidiophores, pycnidia . 



Combinations of different forms. Examples of the kind 



223 

 231 



238 



239 

 240 



242 



244 



248 



