Zoology and Botany. 151 
ferent families, but especially in the Composite. The Dahlia an 
certain Helianthi contain considerable quantities of it. 
rom a physiological point of view, inuline plays exactly the 
part of one of those nutritive principles which are put in reserve, 
or of sugar, and it is only on its arrival in the root that it takes on 
rmed, 
8. The Hrysiphei of the United States. 26 species are enumer- 
ated in Seemann’s (now Trimen and Baker’s) Journal of Botany for 
inquirende. A supplement appears in the June number. 4. 6. 
Kan-sun is the name of a Chinese culinary vegetable, known 
under the English name of cane-shoots, upon which Dr. Hance has 
the American “ green corn,” but of a peculiar richness and delicacy. 
He has ascertained that these cane-shoots are the solid base of a 
iz, of Hydropyrum latifolium of Grisebach, which is so very 
nearly allied to our American H. esculentum, i. e., t ni 
aquatica, that, if not the very same, Dr, Hance thinks it probable 
cae ice may afford similar esculent roots,—which may be 
Worth attending to. Pane 
10. Martius, Hlora Brasiliensis, fase. 55, contains Violacew, Sau- 
si istinct order, with indications of neare 
affinities to Pa ia and to Hypericacee than to iolacee), 
(well including Samydacee), Cistacew, and Canellace, 
, a single genus and species, by the editor, Prof. 
ichler ; Tropeolacee (which we like to see kept separate from 
Some acute remarks), by the late Dr. Rohrbach, | w 
death is much to be regretted. Systematic botanists are few in 
Germany. As 
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