14 G. H. Blackman on Teleutospore Germination . 
to the sporidia-bearingcells; they had, however, rounded themselves 
off and begun to separate, and must probably he looked upon as 
chlamydospores. One of them had put out a small prolongation, 
either a short germ-tube or perhaps an abortive sterigma; the 
fate of these structures is unknown. 
LITERATURE CITED. 
Brefeld, O. Untersuchungen aus dem Gesammtgebiet der 
Mykologie. Heft 5, 1883. 
De Bary, A. Vergleichende Morphol. u. Biol, der Pilze u.s.w. 
Eng. Trans., 1887. 
Massee, G. A Text-book of Plant Diseases. London, 1899. 
Plowright, R. A Monograph of the British Uredineae, etc. 
London, 1889. 
Sappin-Trouffy, P. Recherches sur les Uredinees. Le Botaniste, 
5 me Ser., 1896-7. 
Tulasne, L. Seconde Memoire sur les Uredinees, etc. Ann. 
des Sci. Nat., 4 me Ser., Tom II., Bot., 1854. 
DESCRIPTION OP FIGURES ON PLATE I. 
Illustrating Mr. V. H. Blackman'S Paper on Teleutospore Germination. 
/ 
Figs. 4-6. Phragmidium vubi, Wint. . 
Fig. 4. A living Teleutospore germinating under water ( x -150). 
Fig. 5. A Teleutospore germinated in moist air; from a fixed and 
stained preparation (x450). 
Fig. 6. Apical portion of long germ-tube growing in water which has 
broken up into four clilamydospore-like bodies; from a fresh 
preparation (x450). 
