200 BOTANICAL GAZETTE. 
onbege revolution and expansion in all that pertains to cupid and classifica- 
The comprehensive statement of a subject by a een is invaluable 
to thos was have passed the threshold of the study; a and such we have in the 
ork ating us. It is aconcise presentation of the pri neipal facts, and a clear 
and critical discussion of their pitlog. Such fonee as the st recognition of 
i : Be : 
e of 
inology, appelatien in the Ustilaginew, the relation of the parasite to the h 
form-genera in bacteria, and pathological bacteria, are replete with interest an 
aston; limited space does not permit the —— fas a longer list. 
The author has placed all the best known grou ps in an —<— Ascomy- 
peble series beginning with Peronosporee and passing through oo 
«, Mucorint, Ento lee a ewe a I Ascomycetes to the Uredin The np y 
ne n Chytridi stulaginec, “esbamaiy ada and ‘Basthoweiet are treated as 
outlying groups related to the higher for ai- 
The is so age ud authoritative that no investigator can 
ford to ioinin ignorant of its ¢ 
Das Botanische Practice as Eawaye Strasburger. Gustav Fisher. 
Jena, 1884. 8vo. 664 pp. 182 Illus 
Some idea of the importance of oe work has mpeeny been presented in the 
August number of the Gazerrr, It aims to give a very full course in eer 
sential features of the minute and gross anatomy to both t 
beginner and the advanced stud 
nen mt sections, ae ree Rind ba wi Sy 
Pa sta an a e 
edge of the m eee of sructire 
ha x 
saad adapted a8 indivi idual sth sob ea ae ‘language i is not too great an st 
ment, for bose “am shipscuuaaed copious index, such a rarity in Germae 
ooiks, is of much : 
Diseases of Field and “ota Crops, chiefly such as are caused by fungi. 
 Bhidee le 
eens G. Smith, F.L. 8. “Macmilian & Co. London, 1884. 12mo. 358 pe » 
This work is timely, and deserving of attention. We have ha d pees a 
works of all grades on the sky insect foes, but this is the first roc 
brian ef ep on fungous ns ick he : 
Sep ae 
