196 Trans. Acad. Sci. of St. Louis. 



giebt an ein Stamen vveit langer als die iibrigen gesehen zu 

 haben (ahnliche Langendifferenz ist in andern Arten 

 normal)." I have examined Moquin-Tandon's* statement 

 and find that it is: '* J'ai decouvert, pres de Toulouse, un in- 

 dividu de Solatium Dulcamara, dans lequel toutes les fieurs 

 superieurs o:ffraient tantot deux, tantot trois etamines beau- 

 coup plus longues et plus grosses que les autres." In a foot- 

 note he then gives 8. tridynamum (Poir) and IS. Amazonium 

 (Bellend) as producing three elongated stamens and jS. ves- 

 pertilio (H. Kew) and /S'. cornuium (Juss.) as those in which 

 " uneetamine seulement acquiert une taille double du volume 

 habituel." 



The citing as an abnormality of the production of one 

 stamen longer than the others in S. cornutum Lam. is 

 evident^ an error due to an oversight on the part of Dr. 

 Penzig. The ^'8. cornutuin (Juss.) " to which Moquin- 

 Tandon refers is apparently the 8. cornutum described by 

 Juss.,t which is 8. cornutum Lam. 8. cornutum Lam. is 

 clearly one of the species with produced stamens, according 

 to the description given by Dunal in his monograph, and 

 the original description of Lamarck. J 8. cornutum (Hort. 

 Monsp.) according to Dunal § equals 8. rostratum Dun. Under 

 8. Dulcamara L. Penzig says: '* Im Androeceum beobachtet 

 man bisweilen, dass zwei oder drei Stamina langer sind als die 

 iibrigen," but does not refer to the literature, so that the 

 observation may be one of his own. 



In one flower of several 

 taken from a plant of 8. ni- 

 grum near St. Louis, Mo., 

 one of the stamens was notice- 

 SOLANUM TUBEROSUM. -Todd, ^bly longcr than the others, 



the increased length being 

 partly in the filament and partly in the anther. 



* Moquin-Tandou, A, El^oaents de Teratologic Vejjetale. Paris. 1841, 

 p. 138. 



t Juss. in Ann. Mus. Hist. Nat. 3:120. t. 9, as cited by Pursh, Flora 

 Americae Septentrionalis. Second Ed., London, 1816, and Dunal in De 

 Candolle, Prodromus Regni Vegetabili. 13^. 1852. 



X Lamarck, Tableau Encyclop^d. Methodique. Botanique. 2 : 25. 



§ Dunal. 1. c. 



