1894. ] Notes and News. 425 
its labors, very justly maintaining that the best work in pathology is 
pon an understanding and development of physiology. It is 
a departure that all friends of botanical science, in both its pure and 
applied forms, will be glad to see. . 
L GUIGNARD, who first demonstrated the existence of “di- 
tective spheres” in plants (Compt. rend. 9 March, 1891) has begun the 
Pp . 
in Journal de Botanique (July 16); called out by subsequent Y shat 
ions. Some botanists seem to have co d I 
spheres structures of an entirely different nature. 
ploy no botanist, while only three are without achemist. Altogether 
there are three chemists employed to one botanist. 
IN tHE Journal of Botany the description of new tropical African 
lants continues, among them ten Acanthaceze (one a new genus, 
y E. 
atry Bolus. In the May number four new British brambles are de- 
scribed, and in August seven new species of Hieracium! 
an HE INTERESTING fresh-water alga, which occurs abundantly in the 
es of Minnesota and adjoining states in the form 0 
P Richt., and 
Gloiotrichia 
annual meeting: i in such cases, it 1S 
| €ting; but what is not common ins h the statements i 
ure been taken, there being no less than 148 citations. Itisa 
: of facts, and a most valuable résumé. ee 
N Bulletin del Herbier Boissier for July, M. Micheli describes Six 
: Fy ie 
ta Leguminosae from Central pat each illustrated by a yet 
h i Otto Kuntze gives aset of “Nomenclatur-Studien , 1? ¥ 8 
Y considers certain recent propositions of Pf : ty 
of pl nd also those of the Madison Congress (notal le the 
forme ce and the law of homonyms); and A. Kasimir discustte 
num of the oxalate crystals of Opuntia and Pereskia. In th South 
Amen, ©: DeCandolle describes some new Meliacee from 0! 
Merica. ot ie 
i —AS4 résumé of a work published in Danish lait year’ 
= too Senland’s Havalgar. Extr. des Meddelelser om Groenland 3: ener : 
