Davis—Parasitic Fungi of Wisconsin. 
767 
744. PuccmiA obscura Schroet. 
Uredinia, telia and mesospores on Luzula campestris 
DC. Gordon. 
745. Puccixia orbicula Pk. 
Uredinia and telia collected in small quantity on 
Prenanihes alba L. at La Pointe. 
746. PuccmiA ornata Arth. & Hoi. 
On Rumex sp. indet. Radisson. 
747. PuccmiA phrymae (Hals.) Arth. 
Aecia ( Aecidium phrymae Hals.) on Phryma Lepto- 
stachya L. Madison (Harper) ; Uredinia and telia 
on Carex longirostris Torr. Madison ( fide 
Olive.) The genetic connection was demon¬ 
strated by Dr. Arthur at the suggestion of Dr. 
Olive using Wisconsin material for inoculation. 
(.Journal of Mycology 14, 93, 22.) I first ob¬ 
served the aecia in 1893 on the University campus 
at Madison but too late in the season to secure 
satisfactory specimens. 
748. PuccmiA recedens Syd. 
On Senecio aureus L. Raddison. 
749. PuccmiA STIPAE Arth. 
Uredinia and telia on Stipa spartea Trin. Racine. 
Scarce. 
750. Chrysomyxa pyrolae (DC.) Rostr. 
Uredinia on Pyrola secunda L. Gordon. 
754. Cronartium comptoniae Arth. 
Uredinia on Myrica asplenifolia Endl. Gordon. 
Collected several times but always in small quan¬ 
tity. 
752. Cronartium quercus (Brondeau) Schroet. 
Uredinia on Quercus alba L. Madison in October 
(Denniston). Telia on Quercus velutina Lam. 
or related species. Adams county. Abundant in 
July. Globose galls on branches of Pinus 
Banksiana Lambert in the same locality are 
probably due to Peridermiuml cerebrum Pk. the 
