506 
Ohio Erysiphte—The. A.D. Selby (Bull. No. 3 (Tech. Series) 
Ohio Exp. Station). ; 
Professor Selby monographs the powdery mildews. of Ohio, 
treating of twenty-four species, one of which. Uncinula Columbiana, 
upon Scutellaria lateriflora is new and is illustrated in a plate. 
One associates our anniversary year with the name. __B. D. H. 
Orthotrichum Sturmi and O. rupestre—WNotes on. P. Culmann 
(Rev. Bryol. xx. 58, 1893). 
Two new varieties are described from European specimens. 
O. Sturmti, var. reticulatum is based on the teeth being reticulated, 
not papillose; and rupestre var. lamelliferum on the presence of a 
preperistome, composed of basal lamella as in O. cupulatum. 
These lamellz are papillose and composed of two or three joints 
reaching .o2—.038 mm. above the annulus. They were also noted 
in O. Sturmit, though smooth. E.G, BL. 
Passiflora Jenmani. Maxwell T. Masters (Hooker's Icon. Pl. xxiii. 
Pl. 2270). : 
A. new species of British Guiana. 
Phenological Notes for 1892. 1. H. Pammel (Proc. Iowa Acad. © 
Sci. 1892, 46-61). 
Tabulation of a very large number of observations on the — 
earliest appearance of leaves and flowers. 
Plants Injurious to Stock—Some. Thomas A. Williams (South 
Dakota Agric. Coll. Exp. Sta. Bull. No. 33). - | 
Illustrations are given of Astragalus mollissimus, Oxytropts Lam- 
berti, Crotalaria sagittalis, etc. 
Quebracho. E. L. Baker (Hardwood, iii. June 10, 1893). 
Relation of Frost to certain Plants. 1. H. Pammel (Proc. lowa — 
Acad. Sci. 1892, 77-79). a 
Ramona—A second Species of the Genus. Edward L. Greene 
(Erythea, i. 144). : 
