io6 PLANT HYBRIDIZATION BEFORE MENDEL 



1868. F, 



(,) (2) ("a few only") 



Flowers — purple Flowers — purple 



Seed-coats — maple-grey, purple- Seed-coats — violet 

 streaked, or mottled 



Cotyledons — round or partially Cotyledons — round or partially in- 

 indented dented 



Height — variable Height — variable 



(3) 

 Flowers — white 

 Seed-coats — white 

 Cotyledons — round 

 Height — same as "Ringleader" 



(4) (on some of the purple-flowered plants) 



(4—0 (4—2) 



Seeds not described; presumably (A few pods on each plant) 



shades of maple, etc. Seed-coats all white (some pods) 



Seed-coats black (others) 

 Seed-coats violet (a few) 



1869. F3 



Progeny of (1) 



(1 — 1) ("majority") (1 — 2) (minority) 



Flowers — purple Flowers — purple 



Seed-coats — purple or grey Seed-coats — maple or brown- 



streaked 

 Cotyledons — round or only par- Cotyledons — round or only par- 



tially indented tially indented 



Progeny of (2) 

 (2 — 1) ("almost invariably") (2 — 2) ("now and then") 



Flowers — purple Flowers — purple 



Seed-coats — purplish-grey, or maple Seed-coats — clear violet ("either 



wholly in one pod, or only a 

 single pea in a pod") 



Cotyledons — round or only par- Cotyledons — round or only par- 



tially indented tially indented 



Progeny of (3) (all) 



Flowers — white 

 Seed-coats — white 

 Cotyledons — round 



As the seeds of the F2 generation (reported as a "few only"), 

 with "violet-colored envelopes," as distinguished from the ma- 

 jority having maple-grey and mottled seed-coats, these, when 

 again sown, are reported as producing "nearly all maple or 

 particolored seeds, and only here and there one with a violet- 



