Xxvi ae CONTENTS, 
Page 
5. Some Observations on Spiraea Ulmaria. By Professor R. H. Yapp, 
M.A,  cnssosseenccess abtcbee nd aeeeh onis pate MSHeER RECS ceca cee game a ae ne 673 
6. The Delayed Germination of Seeds. By Professor L. H. Pammet ... 673 
7. The Perception of Light in Plants. By Harotp Wager, F.R.S. ... 674 
MONDAY, AUGUST 30. 
Joint Discussion with Section B and Sub-section K (Agriculture) on 
Wheat (Appendix A) ..esscseeescsercecesccoernners goutanes ey eeereataps 674 
TUESDAY, AUGUST 31. 
1. The Production, Liberation, and Dispersion of the Spores of 
Hymenomycetes. By Professor A. H. Reainatp Bunirr, Ph.D. 675 
‘2. The Destruction of Weeds in Field Crops by means of Chemical 
Sprays... By: Professor Henry Ty. Boniasy ....... ssocesicases exsvannwanion 676 
3. Some Effects of Tropical Conditions on the Development of certain 
English Gnotheras. By Dr. BR. R. Gates .........0..cscsscecasenscenee 677 
4. The Organisation and Reconstruction of the Nuclei in the Root- 
tips of Podophyllum peltatum. By Professor JaMEs BERTRAM 
OVERTON: TSncenise pepe tert See odors Sa sche ce cee bias obec debe een aPMeO nee 678 
5. The Nuclear Phenomena of Ascomycetes in relation to Heredity. 
By sMissighs | Cogb SMIeAS MOD): SCL. 255. <: -005sscpetaenem nash taped am 679 
6. The Nucleus of the Yeast Plant. By Haroitp Wacer, F.R.S., and 
MISS GAIN Te ESBINTES DON peed sac co reser es ets cr cus asa cua cones een eaek ence aeaene 
7. Interim Report on the Structure of Fossil Plants (p. 320) ............ 681 
8. Report on the Survey of Clare Island (p. 321) ..........60..:0:c0cceseeee 681 
9. Interim Report on the Experimental Study of Heredity (p. 319) ... 681 
SUB-SECTION OF AGRICULTURE. 
THURSDAY, AUGUST 26. 
Address by Major P. G. Craters, C.B., F.S.S., Chairman ............... 681 
1. *Methods of Crop-reporting in different Countries. By E. W. 
GODPREY oe 60.0daiunindoxets salor anh ner Sang ete eee Ee cans See 698 
2. Moisture Studies of Semi-Arid Soils. By F. J. Auway, B.A., 
PhD oxen ene binds so vas Sate ves #4 cuatediey nbateet eaeee eee es oM Sea nie a aie 698 
Joint Meeting with Sections E and F :— 
1. Agricultural Development in the North-West of Canada, 1905 until 
1909. By Professor Jamms Mavor (p. 209) ......:scccseeegeeeeeeeeees 699 
2. The Development of Wheat Culture in North America. By Pro- 
iessor A. PP: Bricham (p, 200)..... 05:0) of.semmeaeapietees steeeeeneenes seco 699 
