BEATET 
SWARMSPORES AND ZYGOSPORES. 
FORMS OF CHLOROPHYLL-BODIES. 
a» — d Development of swarmspores in the tubular cells of Fuucheria clavata. 
e--h Swarmspores and resting-cells of “ red-snow ” (Sphoerella nivalis), mixed 
with pollen-grains of Pines. 
i—k Forms of Chlorophyll in cells of Desmidiew (i. Closterium Letbleinii ; 
k. Pentium interruplum). 
1 Formation of zygospores and spiral arrangement of Chlorophyll-bodies 
in cells of Spirogyra urcta. 
m Star-shaped Chlorophyli-bodies in cells of Zygnuema pechinatum. 
n —o Gloeocupsa sanguinea. 
p Protonema of Schistostega osmundacea. 
q Transverse section of the foliage-leaf of Summer Savory (Satureja hortensis). 
r Transverse section of the leat of the Passion-flower. 
s Relative positions of laticiferons tubes and palisade-cells in the leaf 
of a Spurge ( Euphorbia Myrsinites). 
All the figures greatly magnified. 
rriuted trom une originals by the BIBLIOGRAPHISCHES INSTITUT, Leipzig. 
