CU PROCEEDINGS OP THE 



L, Juranzi. On the structure and development of the pollen of 

 Ceratozamia longifolia, Miq., 4 i^lates. Pringsh. Jahrb. viii, 



J. Klein. On the Anatomy of young Conifer-roots. Flora, 1872. 



W. Koeppen. Experiments on the influence of warmth on the 

 growth of plants. Bull. Soe. Imp. Nat. Mosc. 1870, ii. 



G. Krauss. On crystals in the epidermis of Cocculus laurifolius. 

 — On crystalloids in the epidermis of Polypodium irioides, Lam., 

 1 plate. Pringsh. Jahrb. viii. 



N. T. Levakovsky. On the influence of external conditions on 

 the form of roots, 14 plates. Mem. IJnivers. Kazan, 1868. 



C. Luerssen. On the influence of red and blue Kght on the course 

 of the protoplasm in the stinging-hairs of Urtica and in the staminal 

 hairs of Tradescantia virginica, 2 plates. Trans. Nat. Hist. Soe. 

 Bremen, ii, 



W. A. M'Nab. Experiments on the transpiration of watery 

 fluids by leaves, 1 plate. Trans. Bot. Soe, Edinb. xi. — Histological 

 notes. Journ, Bot, 1872, 



J. Martinet. On the organs of secretion of plants, 13 plates. 

 Ann. Sc. Nat. Bot. Ser, 5, xiii. — On the glandular organs of Rutacese. 

 Bull. Soe, Bot, Er, xviii. 



E. Mer. The physiological action of frost on plants. Bull. Soe. 

 Bot. Er. xviii. 



M, Micheli, On some recent researches in vegetable physiology. 

 Ann, Nat, Hist. Ser. 4, ix. 



Eritz Mueller. Experiments on fertilizing species of Abutilon. 

 Presented by Mr. Darwin. 



C. A, J, A, Oudemans, On the microscopical structure of Cin- 

 chona-bark, 1 plate. Trans. Acad. Sc, Amsterdam, xii., and Arch. 

 Neerl. vi. 



G. A, Pasquale, On a monstrous branch of Opuntia fiavispina, 

 1 plate.— Notices of the botanical labours of G, Gussone. — On the 

 eff'ects on plants of the fall of ashes during the late eruption of 

 Mount Vesuvius. Presented by the Author. 



J. Peyritsch. On pelorias in Labiatae. Proc. Acad. Sc. Vienna, 

 Ixii. 



W, Pfeffer, On the development of the flowers of Primulaceae 

 and Ampelidese, 4 plates, Pringsh. Jahrb. viii. 



E. Pfitzer. On the insertion of crystals of oxalate of Ume in the 

 epidermis of plants, 1 plate. Flora, 1872. 



L. A, Prenleloup. On the economical products of Zamias in San 

 Domingo. Bull. Soe, Vaud. Hist, Nat, Lausanne, xi. 



