282 The Botanical Gazette. (Joly, : 
spring is merging into summer, and to naturalists this time of year # 
specially attractive. | 
Dr. MAxIME SCHUMANN whose travels in Congo are well known his 
been at the Missouri Botanical Garden planning his long expedition — 
in this country. He starts from Fort Smith, Kansas, and goes aloe 
as far as Albuquerque. From there he will go to El Paso, Mex, 
_and through that country, ending his tour at Vera Cruz. He intends 
to take a long time for this expedition.—Bay. ; 
departments at Lake Forest, Ill., a suburb of Chicago, and its 
NumBers 82, 83 and 84 of “Die natiirlichen Pflanzenfamilien - 
just been issued. They contain Ochnacez and Stachyuracew 0y 
Caryocaraceez, Marcgraviacee and Theacez by Szyszylowicz; a 
ceae and Icacinacee by Engler; Chlenacee by pooper 
crateacee by Lésener; Stackhousiacez, Staphyleacex, pope 
Pax; Scrophulariacee by Wettstein; Lentibulariacee by Je 
Orobanchacez by Beck; Gesneriaceae by Fritsch 
THE SECOND SESSION of the Colorado Summer School Cole 
Philosophy and Languages, will be held at Colors Ie 
rado, during the month of July, 1893. The botany Xk oe 
of Mr. Albert F. Woods, of the University of Dre ges life histoy 
: h 
of typical representatives of the great groups of t 
dom, represented as far as possible by the flora of the az | 
__M. Epurem Ausert finds that the fleshy plants trang mecha 4 
idly than. other plants not only because of their panes" 
hindrances to evaporation but because of the Pp of aad 
acids in the Crassulacee and the Mesembryan ‘red by difiee 
and gums in the Cactaceze. The curve for dase tote 
ent regions of fleshy plants presents a minimu regio 
* i have iM we 
. CHEMICAL AND physiological studies on the rms publicatios 
a course different from that of the older studi ’ot), and since ® 
of F. Reinitzer and L. Braemer were issued (x i oyed. Protes™ 
and O. Nickel improved the reagents hitherto feat f an extent : 
Henry Trimble has just published the first, volu™ 5 ; 
series of studies on these bodies, many of W re . 
erable trouble in the chemistry of plants.) BAY ___—_— is 
Henry TRIMBLE:—The tannins; a monograph 0” te astringet™ 
imati of { oh: 
properties, methods of estimation, and uses 0! 2, 1892, ¥ 
an index to the literdture of the subject.—Philadelphia, 
