Mar. II, 1918 



Sterility in the Strawberry 



633 



Table VII. — Percentage of aborted pollen in flowers, of various positions, from 120 

 cultivated varieties, 18 controlled seedlings of cultivated varieties, JJ selfed seedlings of 

 one of these, j Fj plants of F. chiloensis X Wilson, 7 F^ plants of F. cuneifolia X 

 Magoon, and 10 Fg plants of F. vesca X F- cuneifolia — Continued 



Variety. 



Position of flower. 



Primary. 



Second- 

 ary. 



Tertiary. 



Position 



not 

 recorded. 



Cultivated — Continued : 



Magoon 



Maiinda 



Manhattan . 



Marstiall . 



Mascot 



Michel! Early. 

 Miller 



Minnesota 3 . 



Missionary . . 

 Model 



New Home. . 



New York . . . 

 Nick Ohmer . 



II-3 

 32-6 

 44-5 

 44.1 



82.0 

 65-6 

 97-5 

 28.7 

 41.9 

 47-5 



45-3 

 i-S 



47-4 



3-5 



Ohio Boy. 



Orem 



Oswego 



Palmer 



Panama 



Pan American . . . 

 Park Beauty . . . . 

 Parson's Beauty. 



Pearl 



94.2 

 10. 2 

 96-3 



Pennell . 



Pineapple. 



Pitcher Eclipse. 

 Progressive 



Prolific 



Pride of Delaware 



Providence 



Purcell Early 



Purcell 



Reasoner 324 



Rewatisco 



Ridgeway. 



Sample. 



Saratoga 



Saunders 



Seedling 373. 



Seedling 585. 

 Seedling 702. 

 Seedling 753. 



Seedling 776. 



75-3 

 26. 7 

 24.0 



29.6 



62.0 



7.0 

 85.1 

 54.0 



12.5 



60. 4 

 14.2 



38.0 



26.4 



8.6 

 SO. 8 



43-5 

 21. 7 

 18.2 

 47.1 

 41.8 

 41.9 

 39- S 

 57-5 

 81.4 



4.0 

 67. 2 

 50-S 



i.o 

 15- o 



45- S 



25.0 

 19-8 

 72-5 

 11.5 

 10.3 

 29.6 

 22.0 

 53-8 

 43- S 

 39-9 



42.9 



7.8 



H 



SS-7 

 S3- 5 



91- S 

 23-1 



19. 2 



61. 7 

 46.7 



3-0 

 3-9 

 6.0 



24.8 



15-5 

 33-3 



38-4 



50.0 

 56.1 

 9.0 

 18.0 

 16.9 

 15.4 

 49.8 

 63-8 

 28.1 

 14- S 



62.0 

 100. o 

 100. o 



35-6 

 37-4 

 40.0 

 45-4 

 82.6 

 44-3 



60.5 

 29.6 



84.4 

 85-9 



