BOTANY. 563 



volume of the 3d series. Hooker lias also described a new genus of 

 rubber-producing plants, Dyera, from the Malay Archipelago. J. G, 

 Baker has published Contributions to the Flora of Central Madagascar^ 

 and he has also described four new Bromeliacece from British Guiana. 

 G. Maw gives the Life History of a Crocus and the classification and 

 geological distribution of the genus. Crepiu's monograph of Boses has 

 been continued, and his Manuel de la Flore de Belgique has reached a 

 fourth edition, while the popular Flora von Beutschland, by Garcke, h^s 

 reached a fourteenth edition. Ferd. Mueller's Fucalyptographia and his 

 Fragmenia Phytograpliice Australicce have been continued in parts. Spe- 

 gazzini, who has been traveling in South America, has made a prelim- 

 inary report on the flora of Patagonia and Terra del Fuego. New orchids 

 have been described by Eeichenbach and four new genera of Aroidem 

 by N. E. We should also notice the appearance af Arcangeli's Com- 

 pendio della Flora Italiana; Eegel's description of plants in the Eeise 

 nach Turlicstan; a monograph of the European Festucece by Edouard 

 Hackel ; the Palmacece of the Flora Brasiliensis by Drude ; and Bret- 

 schneider's Botanicon sinicum. Engler's Jahrhiicher includes several 

 important papers on different orders discussed from a morphological 

 point of ^dew, amongst which are Hoeck's Morphology and Distribution 

 of Valerianacece ; Koehue's monograph of Lythracew; and Buchenau's 

 Beitrage zur Kenntniss der Butomaceen, Alismaceen, und Juncaginaceen, 

 With relation to the foliar theory, as shown in the truit of the abietinece, 

 there has been a controversy between Celakovsky and Eichler, and there 

 is a review of the subject by Dr. Engelmann in the Am. Journ. Science. 



GENERAL. 



Under this heading may be mentioned A. P. De GandoUe's Origine des 

 Flantes cultivees, which is a very important contribution to our knowledge 

 of the origin of useful plants. The second part of Engler's Yersuch 

 einer FntwicJcelungsgeschichtc der Pfianzenicelt includes the extra- tropical 

 regions of the southern hemisphere and the tropics. Cohn's Bie Pfanze 

 is a series of popular essays on various botanical topics, historical, phys- 

 iological, &c. John Smith has published a Dictionary ofPopulnr Names 

 of the Plants which furnish the natural and acquired wants of man. 



