Il, IIAK; THOMAS. - .MCOTIA.NA CUOSSES. 455 



The same ségrégation occurring. 



F3 Trailing habit (selfeci) now gerininated tu test conslanry oC habit of 

 growih. 



F. Miniature coroila (selj'ed) now gorminali'il lo test conslancy of size 

 of coroila. 



Throiighout thèse experinienls llie saiiic Ircatmcnl was given to al! Ihe 

 plants connecicd wilh Iheni. From Ihis and other experiments in hybridising 

 Nicotiana it would seem Ihal a long lube and color hâve repelled one anolher. 



N. sylvestris characters occur in foliage, pollen and stem (erect 18 inches 

 before branching) slow ripening of seed, groiips oC eolorless cells in the 

 rorolla and présence of scent. The appearance of so many forms of growth 

 lluctuations and mulations are évidence of hyiirid disturbance, but the fact 

 reniains thai F. and F^ were constant to F, and when standing logether 

 in tlower, liiil l'or Ihe labels, could not be distinguished apart. 



Nicoliiina suareolens X A'', f^anârriv. 



PAHKNTS : 



A^. >;iif(i'i>nli-nA (Ovule i'areni) N. Saiulciw (Pollen Parent) 



Hab. Auslralia. Origin doubtful (llyliriil IVom N. 



There is a struclural dilïerence bet- l'"orgeliana (?) 



ween this Nicotiana an<l ail other siamens free. 



known cultivated forins, namely 



four of the stamens are adhèrent 



throughout their lenglh with ses- 



sile anthers, the fifth being free. 



Pollen lai-ge oval. Pollen small oval. 



Foliage, small, dark green, texluie Foliage larger pale grecn, soft tex- 



lealhery, nearly glaljroiis stalke(l ture, Ihickly covered with glan- 



smooth. dular hairs.not stalked, crinkled. 



Blossom Tinged while. P>lo5som bright red. 



F, : '■1 plants. 

 Blossom : Pale Purple (_' shades). 



Foliage : much crinkled and blistered, l(>xlure soft pale green, not stalked, 

 thiekiy covered with glandular haiis. 



F, crosscd inter se, Slamens Free. 



F., 7 plants. 



Blossom : i Purple, T) White tinged purple lower surface. 



Foliage : i plants stalked, thetexture, form and growih more ressembling 

 A', suaveolem^. — '2 plants criid<le<l. blisli'rcd pale green, soft texiure, hâve 

 foliage of F,. 



Stamens free. 



If, as seems possible, N . nuaveolens is au older form of Tobacco, the adhè- 

 rent Stamens might be a récessive characler. in wliich case the numlier of 

 plants reared were scarcely sufficient. 



5 Micropholographs of pollen (lig. ."1). 



2 A^. Ruaveolens, I N. Snndenr, 



I F| Darker Purple. 



1 F, Pale Purple. 



