SCIENTIFIC SUMiLiKY. 
423 
parasite. Tlie malady is rapidly contagious, and lias been discovered to be 
parasitic, tbe parasites being a species of apbis, very different from the 
common type of this group of insects. When the roots of an affected vine 
are examined even with the naked eye masses of yellowish corpuscles may 
be distinctly seen. When magnified these are seen to consist of clusters of 
insects in every degree of development, from the ovum to the adult. They 
differ from the common ai^his (A. toscb ?) by the absence of the honey- 
secreting organs, by the form of the body, by the antennse being inserted 
lower into the thorax, and, 'finally, by the fact of their being oviparous all 
through the year. They are allied to the genus Ithizobius. 
The Mot'phology of Eupomatia . — This subject, which has attracted the at- 
tention of botanists since the time of Robert Brown, has been taken up by 
M. H. Baillon, who has published a short note upon it. He states that the 
flowers of this plant enclose in their concave receptacle a true polycarpal 
gyncecium ; what has been described as a simple areolated stigma is in reality 
a portion of the dorsal wall of the ovaries. The stigmata are independent 
of each other, and are of the same number as the carpels. The other 
details are of equal interest to the student of vegetable physiology. Vide 
Comptes Rendus, July 27. 
A new organographical Character, which is expressed as the inclusion of 
the style in a matrix formed from the corolla, has been described in a paper 
read before the des Sciences (July 20) by M. Ed. Gouriet. The 
author thus puts his facts forward : — When we examine a flower well in 
blossom of Justicia nodosa (Hooker), the two lips of the corolla being as 
separated as possible, we see on the arch of the upper lip and near its free 
extremity two anthers supported by long filaments j between the anthers 
and a little above them we distinguish a filiform stigma, well seen in 
profile, but we do not at first sight perceive the style which ought to connect 
this organ with the ovaries. If, after having detached the lower lip and the 
corresponding part of the tube of the corolla, we hold the upper lip in one 
hand, and isolate the stigma with the other, we may then perceive the 
style, which is nearly as long as the flower (about 6 centimetres), and which 
seems to detach itself readily from the corolla as the latter is torn back. On 
looking a little closer we may see that the union between the two is only 
apparent, but on the face of the corolla we may distinguish a long grooved 
canal, whose borders, by a very slight union, form a complete sheath 
enveloping the style.” M. Gouriet has examined flowers in the bud, in full 
bloom, and in all intermediate stages, and he has invariably found this 
invagination of the style by the corolla. He also states that the character 
cannot be abnormal, for he has found it in all the specimens examined by 
him this year and last year. Having found no allusion to this structure 
either in the Prodromus or in Curtis’s Botanical Magazine, in which there is 
a detailed description of Justicia, he regards it as new to botanists. Hence 
he proposes to call the canal a coleostyle, and to speak of corollee with this 
character as eoleostylatecl* 
Lotus esculentis , — ^According to M. T. Desmartis th e galls (jgalles) of this 
* In reference to the novelty of this discovery, we may mention that in 
the Treasury of Botany, Mr. Carruthers describes the corolla of Justicia as 
being provided with a long tube : is this the tube in question ? — Ed. P. S. R. 
