232 BOTANICAL GAZETTE [SEPTEMBER 
11. ZEDERBAUER, E., Myxobacteriaceae, eine Symbiose zwischen Pilzen und 
Bakterien. Sitzungsber. Akad. Wiss. Wien 112. 1903. 
12. ZUKAL, H., Myxoboirys variabilis als Repraesentant einer neuen Myxo- 
myceten-Gattung. Ber. Deutsch. Bot. Gesells. 14:340. 1806. 
EXPLANATION OF PLATES V AND VI 
Fics. 1, 2, 5, 8, 9.—Mature “‘fructifications” of Chondromyces Thaxteri; 
X 240. 
IG. 3.—An immature stage; X 240 
Fics. 4, 7——An immature stage, hut later than the one in fig. 3; they 
represent i cone or finger-like processes formed on the “heads” of the 
pier mepae 2 
—An at stage in the heaping up of the rods; X24 
ho IG. 10.—Cysts on the left hand branch are es ose on the right 
are rather younger than the ones represented in fig. 3; 
IGS. 11, 12.—Processes from figs. 7 and 4 ke Sars eis on a larger 
scale; 720. 
Fic. 13.—Part of a mature cyst (fig. 8) on a larger scale, showing empty 
husks of processes after rods have migrated back from them; 720. 
Fic. 14.—A germinating cyst; 720. 
