407 



ilicracium alhiflorum Hook., British Columbia. 



Hieracium cynoglossoides Arvet., Montana. 



Hieracium paniculation L.. Pennsylvania. 

 TYPE LOCALITY: Bethlehem, Pennsylvania, on Ilicraciain puiuculatum. 

 DISTRIBUTION: Pennsylvania west to Montana and British Columbia. 



This Aecidiiim is very similar to the one on Lactuca which belongs to 

 what has been referred to the so-called Pucchiia Oinzil Bubak on Carex. 

 Further, in 1907, Prof. E. W. D. Ilolway collected the Aecidiiim at Glacier, 

 B. C, and made the observation that it was possibly connected with a 

 ruccinia on Carex Deweyana Schw. and C. vitilis Fries which Puccliiia is 

 practically indentical with the so-called Puccima Oirlzii Bilbak. This to- 

 gether with the fact that this Hieracium Aecidiiim and Piiccinia Opizii have 

 practically the same general geographical distribution, makes it very likely 

 that this Accidium belongs with the above named Carex rust, but cultures 

 are necessary to prove this definitely. 



90. Aecidiiim colum'biense Ellis & Ev. Erythea 1 :20(;. 1S93. 

 On CICHORIACEAE : 



Hieracium aTbiflorum Hook., Washington; British Columbia. 



Hieracium Scouleri Hook., British Columbia. 

 TYPE LOCALITY: British Columbia, on Hieracium [Scouleri]. 

 DISTRIBUTION: Washington and British Columbia. 



Distinct from Aecidiiim Hicraciatiim Schw. in having a diffused myce- 

 lium. 



Prof. Holway believes this to be connected with Pucciiiin on LnziiUi. 



91. Aecidium sp. 

 On AMBROSIACEAE : 



Ira Qraria Bartlett (/. frutCHCciis A. Gray, not L.), Delaware, Flor- 

 ida, Louisiana, Virginia. 

 DISTRIBUTION: Salt marshes along the ocean and gulf coasts from 

 Delaware to Louisiana. Evidently a heteroecious form. 



92. Aecidium Liatridis (Webber) Ellis & Anders. Bot. Gaz. 16:47. 

 1S91. 



Aecidium compositarum Liatri Webber, Bull. Neb. Agr. Exp. Sta. 1 :n. 



9 :C0. 1889. Nomen nudem. 

 Aecidium com posit a mm Liatridis Webber, Rep. Neb. Bd. Agr. 1880:210 



(70) . 1890. 



