726 ADDITIONAL EXERCISES 



9. Appendages fifty to one hundred and sixty, one-half to three-fourths diameter 

 of perithecium. 7 parviila. 



Appendages twenty-four to forty-six, one and one-fourth to two times, 

 diameter of perithecium, often geniculate. 11 geniculala. 



10. Appendages stout, 7 to 8^ wide near the base. (11) 

 Appendages narrower near the base. (12) 



11. Appendages very few, six to twelve, enlarged upward. 15 Delavay's. 

 Appendages crowded, twenty to thirty-six, scarcely or not at all enlarged 

 upward. 18 Sengokui. 



12. Appendages abruptly flexuose, or angularly bent. (13) 

 Appendages straight. (14) 



* 13. Appendages about equalling diameter of perithecium, flexuose above, not 

 angularly bent, spores usually eight. 9 flexuosa. 



Appendages one to two, usually one and one-half to two times diameter of 

 perithecium, more or less angularly bent, spores four to six, rarely seven. 



1 solids var. Miyabci. 



14. Appendages thick- walled, refractive, or rough at base. (15) 

 Appendages thin-walled throughout. (17) 



15. Mycelium persistent, densely compacted, perithecia 158 to 268ju in diameter. 



2 aceris var. Tulasnei. 



Mycelium evanescent, or subpersistent, perithecia 64 to 146;^ in diameter. ( 1 6) 



16. Asci ovate or elliptic-oblong, 24 to 30^ wide, spores 16 to 20 by 8 to lo/x. 



3 prunastri. 



Asci broadly ovate to subglobose, 34 to 40/i wide, spores 20 to 25/1 by 10 to 

 I3^^. 10 CUntonii. 



17. Asci four- to six-spored. i salicis. 

 Asci seven- to eight-spored. (18) 



18. Perithecia 168 to 224/x in diameter, appendages not exceeding diameter of 

 perithecium. 6 circinata. 



Perithecia 76 to 138/i in diameter, appendages one and one-fourth to two and 

 one-half times diameter of perithecium. (19) 



19. Perithecium 120 to 138^ in diameter, appendages thirty-five to sixty, myce- 

 lium persistent, more or less densely compacted. 14 aiislralis. 

 Perithecia 76 to 105^ in diameter, appendages ten to twenty-eight, mycelium 

 evanescent. 17 fraxitiis. 



20. Mycelium densely compacted, appendages mostly simple. 2 accrls var. 

 Tulasnei. 



Mycelium not densely compacted, appendages all or nearly all branched. 

 2 aceris. 



APPENDIX IX 



Collection and Preservation of the Fleshy Fungi. — In the collection of the higher 

 fungi, it is of the utmost importance that certain precautions be employed in ob- 

 taining all parts of the plant, and furthermore that care be exercised in handling in 

 order not to remove or efface delicate characters. Not only is it important for the 



