218 



' Vegetable Physiology ; by Arthur Henfrey Esq., F.L.S., Lecturer 

 on Botany at St. George's Hospital.— Absorption.' 



' On the Habits acquired by Plants ; by Mr. J. Towers, C.M.H.S., 

 &c. &c,' 



' The Beautiful in a Tree,' a paper extracted from the ' Horticul- 

 turist.' 



' Cultural Agency of Quicklime • by Mr. J. Towers, C.M.H.S., &c., 

 &c.' 



* On Variegation in Plants ; by Dr. Morren, Professor in the Uni- 

 versity of Liege. — Classification, with examples among hardy plants.' 

 Translated from ' Dodonsea ou Recueil d'Observations de Botanique.' 

 This classification is drawn up with a vast amount of care and pati- 

 ence, variegation of every possible description being defined, but that 

 it amounts to more than a catalogue of facts, or throws light on the 

 causes of ascertained phenomena, I am unable to assert with any de- 

 gree of confidence. ' 



' Episcia bicolor,' being the description, history, and some account 

 of the culture of a perennial herbaceous shrub of the order Gesne- 

 raceap, raised at the Botanic Garden at Kew four or five years ago, 

 from seed brought by Mr. Purdie from New Granada ; it is a free- 

 blooming species, but compared with the Gloxinias, far from striking 

 as an ornamental plant for cultivation. 



' The Genera and Species of Cultivated Ferns ; by Mr. J. Houlstou, 

 Royal Botanic Garden, Kew, and Mr. T. Moore, F.L.S., &c.' In this 

 portion of the paper are described twenty-three species of Adiantum, 

 twelve of Cheilanthes, five of Cassebeera, and eight of Platyloma. 

 Of Adiantum reniforme, A. tenerum, Cheilanthes viscosa, Cassebeera 

 farinosa, and Platyloma falcata there are characteristic figures. 



' Atmospheric Electricity; by Mr. J. Towers, C.M.H.S., &c.' 



' Natural Model for Artificial Lakes ;' extracted from Downing's 

 * Landscape Gardening.' 



'Seedling Narcissi,' raised by Mr. E. Leeds, of Manchester, who 

 communicates the following hints on the raising and treatment of 

 seedling Narcissi : — 



" To obtain good varieties it is needful the previous season to 

 plant the roots of some of each kind in pots, and to bring them into 

 the greenhouse in spring to flower, so as to obtain pollen of the late 

 flowering kinds to cross with those which otherwise would have passed 

 away before these were in flower. With me they always seed best 

 in the open ground. When the seed-vessels begin to swell, the 

 flower-stems should be carefully lied up and watched until the 



