170 Proceedings of Indiana Academy of Science. 
arundinacea i. was established in this laboratory in 1917, based on field 
observations made in 1916 by Prof. H. H. Whetzel and the writer in the 
vicinity of N. Spencer, New York. 
Melica mutica Walt. recorded as Dicaecoma Melicae 
er is now referred to Puccinia hibisciata 
hibisciatum (Schw.) Arth. See No. 66. 
Pucecinia Melicae Syd. is now considered a synonym of Dicaeoma Rhamni 
(Pers.) Kuntze (P. coronata Corda) (See No. 86 of 1915 list) and is known 
in North America only on Melica purpurascens from Wisconsin. 
70. The collection on 
(Syd.) Arth. under this numb 
(Schw.) Kellerm, Dicaeoma 
71. Pucctin1A MENTHAE PERS. 
Dicaecoma Menthae (Pers.) 8. F. Gray. 
On KoELLIA FLEXUOSA ( WALT.) MacM. 
Three miles south of Marengo, Crawford Co.. 
33408. 
On MonaArRDA PUNCTATA IL. 
Fair Oaks, Jasper Co., May 12, 1904, J. C. Arthur: 
Oct. 5, 1920, C. C. Deam 
76. PuccmInIA OBTECTA Pk. 
Dicaeoma obtectum (Pk.) Kuntze. 
I On Bidens frondosa L. 
One-half mile northeast of Dayton, 
On BIDENS TRICHOSPERMA (MICHX. ) BRITTON. 
One-half mile northeast of Dayton, Tippecanoe Co., J 
Tippecanoe Co., July 5, 1920. 
uly 5, 1920: 
79. PUCCINIA HIERACIATA (Schw.) Jackson. 
Aecidium hieraciatum Schw. 
Dicaeoma patruelis (Arth.) Jackson. 
The collection recorded in the 1915 list as on Lactuca floridana is now re- 
ferred to L. canadensis. 
80. Puccinta Pecku (DeToni) Kellerm. 
Aecidium Peckii DeToni. 
Dicaeoma Peckii (DeToni) Arth. 
On CAREX LAEVICONICA DEWEY. 
DeMotte, Jasper Co., Noy. 6, 1915, J.C. Arthur & F. D. Kern. 
On CAREX LUPULIFORMIS SARTW. 
One mile southwest of Shelby, Lake Co., Oct. 14, 1920. 
On CAREX WILLDENOVIL SCHK. 
State Reservation, Clark Co., May 11, 1910, ©. C. Deam 5875. 
81. Puccrnra POCULIFORMIS (Jacq.) Wettst. 
Puceinia graminis Pers. 
Dicaeoma poculiforme (Jacq.) Ikuntze, 
III On AGROPYRON REPENS (L.) Brauy. 
Wolcottville, Lagrange Co., Aug. 1, 1919, L. 8S. Cheney. 
On ALOPECURUS ARISTULATUS MICHX. 
Lakeville, St. Joseph Co., Aug. 9, 1919, L. S. Cheney. 
On BROMUS PURGANS L. 
North of West Lafayette, Tippecanoe Co., Oct. 1, 1916. 
On ELYMUS CANADENSIS L. 
