LINITEAN SOCIETY OF LONDON. XXI 



R. Caspary. A monstrosity of Pinus Abies, with leaves abnormally 

 united, 1 plate. Mem. Phys. Ecou. Soc. Konigsberg, x. 



— Engl. On the reproduction of Hydrocharis Morsus-rance by 

 hybei-nacula. Bull. Soc. Sc. Nat. Strasbourg, 1868. 



A. Gris. Anatomy of the pith of Ericinese and other woody 

 plants. Bull. Soc. Bot. Er. xvii. 



A. Guillard. On the organs by which the sap is returned from 

 the leaves to the stem. Bull. Soc. Bot. Fr. xvii. 



— Hanstein. On the first development of the axial and foliary 

 organs of Phanerogams. — On the results of experiments on the deve- 

 lopment of some genera of Piperacese, and on root-growth. Trans. 

 Nat. Hist. Soc. Bhen. Priiss. xxvi. 



R. Hartig. On the growth in thickness of the stems of forest- 

 trees. Bot. Zeit. 1870. 



F. Hegelmaier. On the development of the parts of the flower in 

 Potamogeton, 1 plate. Bot. Zeit. 1870. 



F. Hildebrand. On Delpiuo's further observations on dichogamy 

 in Plants. Bot. Zeit. 1870. — On the fertilizing arrangements in 

 Fumariacese, 3 plates. Pringsh. Jahrb. vii. 



G. Kjauss. Observations on the influence of L'ght and heat on the 

 production of starch in Chlorophyll, 1 plate. Pringsh. Jahrb. vii. 



T. Meehan. On the production of bractese in Larix. — On the law 

 of development in the flowers of Amhrosia artemisicefolia. Proc. 

 Acad. Nat. Sc. Philadelphia, 1869. 



A. Millardet. On the periodical and paratonic movements of the 

 sensitive plant (Mimosa iJudiccC), 6 plates. Mem. Soc. Sc. Nat. 

 Strasbourg, vi. 



H. V. Mohl. On the blue colouring of the fruits of Viburnum 

 Tinus. Bot. Zeit. 1870. 



E. Morren. On the contagion of variegation, 1 plate. Bull. R. 

 Acad. Sc. Brussels, xxviii. 



H. C. Perkins. Circulation of the latex in laticiferous vessels 

 (from Amer. Naturahst). Monthl. Microsc. Journ. iv. 



— Peyritsch. On Pelorise in Labiatse, 6 plates. Proc. Imp. Acad. 

 Sc. Vienna, Ix. 



T. Pfaff. On the increase in density of an Oak during its whole 

 period of vegetation. Proc. R. Bav. Acad. Sc. Munich, 1870. 



E. Pfetzer. Contributions to the knowledge of the epidermal 

 structure in Plants, 2 plates. Pringsh. Jahrb. vii. 



N. "W. R. Rauwenhofi^. On the characters and formation of cork 

 in Dicotyledons. Archiv. Neerl. v. 



