Chap. III. 



BORRERIA. 



127 



f 



9 



1.5 seed. Some additional berries were produced 

 which contained no seeds. The plants thus treated were 

 therefore excessively sterile, and their slight degree of 

 fertility may be attributed in part to the action of the 



Table 21. 

 Mitchella repens. 



Nature of Union. 



Number of 



Pairs ot 

 Flowers fer- 

 tilised dur- 

 ing the sec- 

 ond Season. 



Number 



ot 



Drupes pro- 



Average 

 Number of 



good Seeds 



per Drupe 



iduced dur- in all the 

 ing the sec- Drupes dur- 

 iond Season, ing the two 



Seasons. 



Long-styled flowers, by pollen of short- ) 

 sty led. Legitimate union J 



Long-styled flowers, by own-form pollen. } 

 Illegitimate union J 



Short-styled flowers, by pollen of long- 

 styled. Legitimate union 



Short-styled flowers, by own-form pollen. ) 

 Illegitimat e union J 



The two legitimate unions together . . . 

 The two illegitimate unions together . . . 



9 



8 



8 



8 



4.6 



3 



2.2 



4.1 



9 



17 



17 



15 



2.0 



4.4 



2.1 



many individuals of Thrips which haunted the flowers. 

 Mr. J. Scott informs me that a single plant (probably 

 a long-styled one), growing in the Botanic Gardens at 

 Edinburgh, which no doubt was freely visited by in- 

 sects, produced plenty of berries, but how many of 

 them contained seeds was not observed. 



BoRRERIA, NOV. SP. NEAR VALERIANOIDES (KtJBIACE^). 



Fritz Miiller sent me seeds of this plant, which is 

 extremely abundant in St. Catharina, in South Brazil; 

 and ten plants were raised, consisting of five long- 

 styled and five short-styled. The pistil of the long- 

 styled flowers projects just beyond the mouth of the 

 corolla, and is thrice as long as that of the short- 





