956 



filled with pollen not yet granular. Eacli cell belonged to a half of 

 the leaf, and was divided from its fellow by the midrib. The pollen 

 masses, both on the anterior and posterior surfaces, appeared to be 

 covered by an epidermic membrane. Each cell was divided into two 

 long chambers (concamerations), which were bent inwards at the 

 margin where the anther opened. At the extremity of the axis were 

 three free carpellary leaves ; no traces of ovules could be seen." 



Delphinium Consolida. — "The corolla (the nectary of Linnaeus) 

 was protruded of five petals, and almost regular ; the upper petals 

 elongated into spur-shaped appendages, and these petals alternated 

 with the sepals. This flower forms a proof of the views of Jussieu. 

 But indeed they are generally received." 



" With general considerations of monstrosities, (the preceding only 

 refer to individual cases) ai*e connected the ' Malformations ' collect- 

 ed by Professor von Schlechtendal, in the ' Botan. Zeitung,' part 29, 

 p. 492. ' The four-cleft margin of the corolla of Syringa vulgaris,' 

 says the author, ' frequently presents an additional lobe, which is ge- 

 nerally not of corresponding size to the rest. In such cases, the 

 number of stamens is also increased by one, and this in consequence 

 of the division of one of them, whose filament curves itself, and on 

 this incurvation appears a little spot which developes pollen. More 

 rarely flowers are observed, and thisliappens especially in the white- 

 flowered variety, the corollar limbus of which is divided into a num- 

 ber of lobes ; from thirteen to twenty-five are sometimes noticed. 

 The stamens are also more numerous in this case ; two pistils stand- 

 ing near each other at the base of the flower show that the coales- 

 cence of at least two flowers has laid the foundation of this peculiar 

 structure. In Arctotheca repens, the author observed three florets 

 of the disc which were united together.' 



" ' Very frequently,' says Von Schlechtendal, ' we may notice the 

 spiral twisting of the stem of the plant, and also of the leaves, com- 

 monly when their development has been interrupted in any way. 

 This twisting often coincides with flattening. In Triticum repens 

 the author also remarked a twisting of the uppermost leaf, which he 

 here accurately describes. In roots I have also frequently seen such 

 a twisting.' " 



