XXll PEOCEEDINGS OF THE 



P. Magnus. Eemarks on Borodin's paper on the structure of the 

 apex of the leaves of aquatic plants. Bot. Zeit. 1871. 



J. Meehan. Cross fertilization in Eupliorhia. — On the flowers of 

 Aralia sjiinosa and Hedera Helix. — On the stipules of Magnolia and 

 Liriodendron. — On Silphium laciniatum. — On Bud varieties. Proc. 

 Acad. Nat. Sc. Philadelphia, 1870. 



E. Mer. On the physiological action of frost on Plants. Bull. 

 Soc. Bot. Fr. xvii. 



N. C. J. Miiller. The anatomy and mechanism of stomata, 2 

 plates. Pringsh. Jahrb. viii. — On the phenomena of growth in 

 roots, 2 plates. Bot. Zeit. 1871. 



J. Peyritsch. Monstrosities in UmbeUiferse, 4 plates. Proc. Imp. 

 Acad. Sc. Vienna, Ix. — Abnormal formations in Cruciferse, 3 plates. 

 Pringsh. Jahrb. viii. 



E. Pfitzer. Contributions to the knowledge of the structures of 

 the epidermis of Plants, 1 plate. Pringsh. Jahrb. viii. 



G. E. Seidel. On the development of Victoria regia, 2 plates. 

 Nov. Act. Nat. Cur. Dresden, xxxv. 



H. Count Solms-Laubach. On the occurrence of oxalate of lime 

 in living cell-membranes, 1 plate. Bot. Zeit. 1871. 



— Uloth. On the germination of Seeds in ice. Flora, 1871. 



H. de Vries. On the influence of temperature on Plants. Archiv. 

 Neerl. v. — On the permeability of the protoplasm of Red Beet. — 

 On the death of vegetable cells from the eff'ect of a high tempera- 

 ture. Ibid. vi. 



J. Wiesner. Contributions to the knowledge of Indian Textile 

 Plants, with observations on the flner structures of the fibrous cells. 

 Proc. Imp. Acad. Sc. Vienna, Ixii. 



Crtptogamic Botany : — 



J. G. Agardh. The Algse of the expedition of the corvette 

 ' Josephine,' 1 plate. — Chlorodyction, a new genus of Caulerpese, 

 1 plate. — The Algse of Chatham Island (from Trans. R. Acad. Sc. 

 Stockholm). Presented by the Author. 



E. Arnold. Lichenological Eragments (continued). Elora, 1871. 



J. Baglietto. Tuscan Lichenology (continued). N. Giorn. Bot. 

 Ital. iii. 



A. de Bary. On the process of fertilization in Chara, 1 plate. 

 Proc. (Monatsber.) E. Acad. Sc. Berlin, 1871. 



S. Berggren. Studies on the origin and development of Mosses, 

 1 plate. Trans. Univ. Lund, 1870. 



