BOTANY. . 563 



volume of the 3d series. Hooker has 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. Crepin's monograph of Roses has 

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

 fourth edition, while the popular Flora von Deutscliland, by Garcke, has 

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

 Fragmenia PhytograpJiia; Australicm 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 Aroidece 

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

 pendio della Flora Italianaj Eegel's description of plants in the Beise 

 nach Turkestan; 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 difierent orders discussed from a morphological 

 point of view, amongst which are Hceck's MorpJiology and Distribution 

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

 Beitrdge zur Kenntniss der Butomaceen, A lismaceen, und Juncaginaceen. 

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

 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 CandoUe's Origine des 

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

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

 einer FntwicJcelungsgeschichte der Pflanzenicelt includes the extra- tropical 

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

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

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

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



