Glossary. 245 



Sorus, a spore cluster, or sometimes a cluster of spore cases. 



Spadiceous, a bright clear brown. 



Spermagonia, minute cysts or capsules containing spermatia. 



Spermatia, exceedingly minute bodies produced like spores, and proba- 

 bly under certain circumstances capable of germination, produced 

 in spermagonia. 



Spores, a general term applied to the reproductive bodies of cryptogaruous 

 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. 



Stoigma (pi. sterigmaia), foot-stalks of spores, usually applied to those of 

 very minute size. 



Stria-, longitudinal lines or marks. 



Striate, having stria?. 



Subiculum, the modified tissue of the host penetrated by the mycelium 

 of a parasite. 



Subulate, awl-shaped. 



Teleutoforiii, the last or final fruit-form in the alternating generations of 

 Urediiieiv. 



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 Uredineic, next be- 

 fore the teleutospore. 

 Uredoform, uredospore, see Uredo. 

 Verrucose, covered with little warts. 



Vertex, the upper extremity, here applieil to the whole top of a spore, 

 while apex designates the point only. 



,", one thousandth of a millimetre, about one twenty-live thousandth of 

 an inch. 



I., II., III., the flrst, second and third forms of the fungus; or a-cidium, 

 uredo and teleutoform. 



