550 



Stone : A new species of Puccinia 



cinnamomeo-brunneis, pulverulentis, sparsis, epidermide diu tectis. 

 Urediniospons subglobosis v. obovoideis, echinulatis, ferrugineo- 

 brunneis, 19-22// x 10-17//, pons germinationis 2 supra aeque- 

 torem praeditis. 



III. Teliosoris hypophyllis, atro-brunneis, linearibus, 0.5-1.5 

 mm., sparsis, epidermide tectis. Teliosporis castaneo-brunneis, in- 



FlGURE 2. P. angiisiafoides^ II and III, X 260. 



The figures show more difference in the teliospores than usually exists. The uredin- 

 iospores are very characteristic, as is also the position of the germ-pores. 



aequalibus, clavatis, 40-70/^ X 1 5-26 /^ medio constrictis, apice 

 valde incrassatis 5-10/^, obtusis v. acuminatis ; pedicello persis- 

 tente, brunneo, 19-40//. 



O et I. Incognatis. 



II et III. In viVis {o\\\% Ryjichosporae cornictdatae (Lam.) A. 



Figure 3. Section through a sorus of P, angustata Peck, as found on Scirf 

 airovirensy X ^O- The mass of hyphae in the lower part is very characteristic. 



Gray, Auburn, Alabama, Sept. 17, 1908, R. E. Stone. 

 III. Auburn, Alabama, Jan. i, 1909, E. E. Binford. 



