300 



The species in the August number are — Lomaria Patersoni, lance- 

 olata, alpina, spicant, nuda, attenuata, auriculata, aha, Gilliesii, ma- 

 gellanica, onocleoides, capensis, glandulifeva, and Fraseri ; Blechnum 

 lanceola, glandulosiun, triangulai'e, brasiliensis, australe, cartilagi- 

 neum, occidentale, hastatura, intermedium, gracile, and senulatum ; 

 Doodia caudata, media, aspera, and blechnoides ; Woodwardia radi- 

 cans, onocleoides, and virginica ; Scolopendrium vulgare. Why is 

 the beautiful Hemionitis omitted ? European specimens sent to me 

 by the late Col. Bory de St. Vincent appear to have the fructification 

 of Scolopendrium, Diplazium plantagineum, juglandifolium, sylvati- 

 cum, Shepherdi, coarctatum, otites, decussatum, thelypteroides, arbo- 

 rescens, striatum, and subalatum. 



' Garden Hints for Amateurs.' 



' Broughtonia lilacina,' being the description, history, &c., of a new 

 orchid found in the Island of St. Domingo, and first flowered in this 

 country by Mr. Rucker, of Wandsworth. 



* The Metropolitan June Exhibitions.' 



' The Palmyra Palm' {Borassiis Jlabelliformis). 

 ' On the elevated temperature of the male inflorescence of Cyca- 

 deous Plants ; by Dr. De Vriese.' From Hooker's ' Journal of Botany.' 



* Meetings of Societies.' 

 ' New and Rare Plants.' 



The August number contains : — 



' Escallonia macrantha,' being the description, history, &c., of a 

 fine, hardy, evergreen shrub of the order Saxifragaceae, imported by 

 Messrs. Veitch & Son, of Exeter, from Chiloe, through their collector, 

 Mr. W. Lobb. 



' On Variegation in Plants ; by Dr. Morren, from Dodonoea. — The 

 true cause of Variegation.' The following is the summary with which 

 this paper concludes : — 



" (a). Variegation may be regarded as a malady. 



" (b). That it has its source in the cellular tissue of the diachyma. 



" (c). That it attacks especially the superior mesophyllar system, 

 and spreads by layers, always from above downwards, so as to extend 

 sometimes to the whole of the diachyma. 



" (d). That it results from emphysema without puffiness (cmphy- 

 seme sans boursuflure) ; on the contrary, with contraction of the 

 tissue usually tilled with elaborated sap. 



" (e). That this emphysema is confined to the intercellular pas- 



