Glossary. 245 
Sorus, a spore cluster, or sometimes a c.uster of spore cases. 
Spadiceous, a bright clear brown. 
Spermagonia, minute cysts or capsules containing spermatia. 
Spermatia, exceedingly minute bodies produced like spores, and proha- 
bly under certain circumstances capable of germination, produced 
in spermagonia. 
Spores, a general term applied to the reproductive bodies of cryptogamous 
plants, differing from a seed in having no embryo. 
Sporidia, reproductive bodies borne upon a promycelium, or as some- 
times used, the spores produced in asci. 
Sterigma (pl. sterigmata), foot-stalks of spores, usually applied to those of 
very minute size. 
Strix, longitudinal lines or marks. 
Striate, having strie. 
Subiculum, the modified tissue of the host penetrated by the mycelium 
of a parasite. 
Subulate, aw]-shaped. 
Teleutoform, the last or final fruit-form in the alternating generations of 
Uredinex. 
Teleutospore, the last spore of a series, the final spore. 
Testaceous, brick-color, brownish yellow, orange yellow with much gray. 
Tubercle, a small obtuse prominence. 
Turbinate, top-shaped. 
Uredo, a generic name, also one of the fruit-forms of Uredinew, next be- 
fore the teleutospore. 
Uredoform, wredospore, see Uredo. 
Verrucose, covered with little warts. 
Vertex, the upper extremity, here applied to the whole top of a spore, 
while apex designates the point only. 
#, one thousandth of a millimetre, about one twenty-five thousandth of 
an inch. 
I., IL, IIL, the first, second and third forms of the fungus; or ecidium, 
uredo and teleutoform. 
