Mar. 2s. 191S Dissemination of Chestnut-Blight Fungus 



513 



Table X.- 



-Record of ascospore-trap collections on September 20, 1913, 

 Chester, Pafi 



at West 



o Rainfall, night previous. 0.09 inch. Time of cessation, between 3.25 and 3.55 a. m. 



Table XI. — Summary of records of ascospore-trap collections in IQ13 at West Chester, 



Pa. 



Date. 



Rainfall. 



Number 

 of traps 



Time from cessation of rain to — 



Replacing of slides. 



Collection of slides. 



Number of 



perithecia 



expelling 



ascospores 



between 



times 



stated. 



Aug. 27.. 

 Do... 



Sept. 18.. 

 Sept. 19.. 



Sept. ao.. 



Sept. 21.. 

 Do... 



Sept. 22.. 

 Oct. 20. . . 



^Do... 



Inches. 



0-12 



o" to i8"» 



o™ to 15™ 



45™ to !*» 



2^tP^ to 2''17™.. 



31119" to 3''S4'». 

 4'20» to 4''38". 

 S''47" to6''37'». 



l''48" to 2'>4",. 

 jlijjm to s'jo". 



2''48= to jliio". 

 4*'5™ to 4^27™., 

 51*23™ to 5l>4l'°. 

 6h,2m to 6''33". 

 61153™ to jlill™, 

 jh.jm to 7l'47">. 

 101134™ to 11*131' 

 is'm" 



1I14O™ to 211. . . . 

 3116" t0 3ll22".. 



33" to 41" 



53" to ill 



sliio" to sli30". 

 6l'3l°i to6li5l". 

 8116= to 81125"., 

 10I139" to 111*2" 



,lij" to jliii".. 



12" to 27" 



20" to 31" 



37" to 43" 



45" to 54" 



57" to lli9". . . , 

 l'l2" to 1I126". 

 1I128" to 11146". 

 llijo" to 2I19".. 



o" to 18" 



1I122" to ll*27".. 



o" to 15" 



45" to ill 



1411 (Aug. 28)... 

 2I16" to 2I137". . . 

 3I119" to 3°54". . 

 4I120" t0 4li38".. 

 51147" to 7I11Q". . 

 j2h25" to 13^10" 



11148" to 2114". . . 



31135°' 1051130".. 

 jhjjn. t0 5li30».. 



12I110" to 13I1 . . . 



2I148" t0 3lil0". . 

 4115" to 4"27". . . 



5I123" to 51141". . 

 6lii2" to 6I133". . 

 6I153" to 7I111". . 

 71135" to 71147'°.. 

 101134" to 111131" 

 13I114" to I3l'38" 



I3'i49'» 



1I14O" to 211 



3116" to 3I122". . . 

 51128" to 51136".. 



33" to 41" 



53" to I 111" 



l''3l'° 



5I110" to 51*30". . 

 6I131" to 61151". . 

 8116" to8li2j"°... 

 9I13S" to ll^Il". 

 14I112" to 14I116" 

 1I13" to iliii". . . 

 1I116" to 1I121". . 



13" to 27" 



22" to ii^ 



37" to 43" 



45" to 54™ 



57" to 1I19" 



lhi2" to ill 36". . 

 ll'2S'° to ll'46«>.. 



1I155" to 2119" 



5I121" to 51*54". . 



360 



227 



1.047+ 



Si 

 9 



35 



I 



236 



219 



IS 



46 

 875+ 

 433 

 130 



28 



3,494+ 

 211 



1.199+ 



S77 + 



6 

 618 



82 

 24S 

 303 

 387 

 379 

 390 

 262 

 •52 



37 



d This summary includes the records of traps Nos. 58, 59, 72, and 74 only. 



