Mar. 25, x915 
Dissemination of Chestnut-Blight Fungus 
513 
TaBLE X.—Record of ascospore-trap collections on September 20, 1913, at West 
Chester, Pa.a 
‘i A i Number of perithecia expelling ascospores between 
Time from cessation of rain to— timesstated. 
Hs) s Sos] S$ is) S [es s]14) Se] Bal 8 
P A , S}S| Sisislo] 616! 6 [ololafdldldldldldis 
Replacing of slides. Collection of slides. [4/4] 4 |4la|41 4 |a| 2 lala|zialalazialazlala 
aE GEE (2 BRR RREEEE 
le) St elelel 3 is aSleleialaieieie 
nataneyarStuse:acaue ye errr wiaveteeta: woes ahgam to ghro™... Gnas 144/22) 118/73|79153|40+|14] 238-+/82]77| 2] 7/13] 8! 5| 0} of o 
248™ to 3hr0™, . «| 425™ to ghoym,, -/23} 7] 67/66!43] 5123 | of xox {53!34! x] 3] 2] x] 4] o| of o 
425™ to 45277... -| §223™ to sh4rm, -| 6) 4] rolxzizs] t] 9 | of 22 {30} 4] of 2! of 1! of o| of o 
523™ to shim, , 6br2™ to 6433, «| Of} rt} of 8} a} x} x fof xz {| gl of of x] of of af of of o 
65r2™ to 6433, , + | 653™ to ghim, -|o} of of s} of of oo |... | x] of..]..[ of of o 
6453™ to him, , 7hgsm to 7h47™. . aval sof a'eciel| 3] Olea cers o} of..}..1 0} of... 
mgsm to maze. 10534™ to rrh31m «| Olrz O} o| of of o Oo} Oo] I] of of of o 
10434™ to rrh3m, .| 135x4™ to 1r3h3gm, a) ees o} of. .|..] of of.. 
rghrq™....... -| r3hg9™...... .| 2 bss lara see flaca cia 
13h49™. . | r4bgo™, . . o}. ; 
@ Rainfall, night previous, 0.09 inch. Time of cessation’, between 3.25 and 3.55 a. m. 
TasLe XI.—Summary of records of ascospore-trap collections in 1913 at West Chester, 
P 
a. 
Time from cessation of rain to— Number of 
ecia 
Number pes elline 
Date. | Rainfall. | of traps ; ; ; aabepites 
Peace ed Replacing of slides. Collection of slides. heveet 
‘ es 
stated. 
Inches. 
TD: Reta erre wateweseaeues wh Meiers si -| O to 187......., ° 
Aug. 27.... 0.12 19 | o™ to 182 whee to shay. : 
4 sis geben 153... 
Do.... O55 cA “om to I5sm qeetoahe 360 
c 14 | 45™ to zB ‘| 144 (Aug. 28)... 227 
2G hing vieawicaes .} 2262 to abs. 1,047-+ 
19 2hom to 2 3319" oS asa 4 53 
Sept. 18.... +26 19 | 34x9™ to 3 420™ to 43 9 
. 3 | sees este Soto ge s 
2 5547™ to 6537, a Ped 3 a 
Foi leatotenveseee 17) 343sm to shgom.. 219 
Sept. 19.... +68 8 | 1248™ to 2b4m, i 335m to sh30". ‘ 15 
17 | 3435™ to shzom, : at Be . a 
is “ghygm to 3810 455m to se7. 433 
hem t i 5423™ to shgrm,, 130 
Ce a a “| Ghy2™ to 6433™. 38 
19 5,230 to fat i ee t an" i ae 
Sept. 20.... +09 14 hrm to 6033". oPsa™ ts 7ATIm.. : 
| z| Sane ae nae f 
18 | 7°35 PP 47m... 
6 rosa to | eee a to-13h39™ 9 
TR2TQ™M. wee eee T3P4O™. ween 
at ‘ us hes tees C zb,oh to oo 2, 494 
h ee ate 2 
Sept. 2r.... +43 2r ak vont ae acon 2 
19 | 3 0 gh22™,. noe) Bee OS Sty 
ere -| 33m to qrm...... 1199 
Do.. «10 Ir 33m to arm. ee yhyn, 14 
Bho tiaas ore sham to gio sit 
m 
ax | sho to shgo™... Bhan to sham, af 
Sept. 22... +73 if ce eae Fay he a shes oes aay 2 
Shee t 
2 | robz3o™ to rrbam,.,. ae ae 5 fe 
IO Jews cree eran cscane h & a . Re 
Oct. 20.... -85 t 3 xh3m to rhyxm,, rap toe 20 - ee 
fee re yee aa os 
3 | 12@to 27™.. acy olf 122 3 ar = 
4] 207 to 31° ‘ es es 
4. | ara Z om to qhgm. | 390 
- Do.. Son io ede te Sim Sorat to 126™.. 262 
41 Sfo om to chac™, rh2gm to 1h46m,, 152 
4] rz2™ to 1226"... Ramey gice : 
4 | 1428™ to 1446"... s+] TBs5m to 2bgm. .. 37 
4 | ths0™ to 2ho™,...... 0. eee eee Par 10 BP GA icin sa nce mene 
@ This summary includes the records of traps Nos. 58, 59, 72, and 74 only. 
