42 
Journal of Mycology 
[Vol. 11 
250 in diameter, ending in a rather broad beak of varying length, but 
usually about one-half that of the pycnidium; spores brown with an 
olivaceous tint, broadly oval or oblong, not septate, 18-24 x 7-12 m.” W. 
A. Kellerman. Journal of Mycology, 10:114. May 1904. 
188. Peronospora floerkeae Kellerm. 
On Floerkea proserpinacoides Willd. 
Columbus, Ohio. May 15, 1903. 
Coll. W. A. Kellerman. 
“Peronospora floerkeae Kellerm. n. sp. — Conidiophores stout 
(16-18 /i wide) simple below and elongated, irregularly and profusely 
branching above, the branches again subdividing sometimes dichotomously 
but oftener irregularly, the ultimate branchlets more or less plainly di¬ 
chotomous also much elongated and strongly curved; the branches are 
very much narrower than the main axis of the conidiophore, the ultimate 
branches being very narrow and bearing large hyaline oval or sub-globose 
conidia 24-32 x 18-25 n ; germination unknown. Oospores numerous, sub- 
globular, 24-36 m, the wall light brown and smooth or slightly rugose.” 
W. A. Kellerman. Journal of Mycology, 10:172. July, 1904. 
189. Phyllactinia corylea (Pers.) Karst. 
(P. suffulta [Reb.] Sacc.) 
On Celastrus scandens L. 
Sandusky, Erie Co., Ohio. Oct. 15, 1904. 
Coll. W. A. Kellerman. 
‘‘Sclerotivm erysiphe: epiphyllum, granulis aggregatis fusco-nigris, 
tomento albo insidentibus. Obs. myc. 1. pag. 13. 
b. corylea: tomentum tenuissimum, fungillis in disco impresso subuil- 
losis.” D. C. H. Persoon. Synopsis Methodica Fvngorvm, 124. 1801. 
190. Phyllosticta iridis Ell. & Ev. 
On Iris versicolor L. 
Sandusky, Erie Co., Ohio. July and October, 1904. 
Coll. W. A. Kellerman and H. H. York. 
“Phyllosticta Iridis E. & M. 
“Perithecia amphigenous, minute, buried in the leaf, with only the 
papilliform apex visible, 4-6 together on small 04-1 mm.), dark purple 
spots thickly scattered over the leaf which at length becomes reddish- 
brown and dead at the apex and along the sides. Sporules oblong- 
cylindrical, hyaline, nucleolate, 9-11 x 2^4 M, abundant. The spots soon 
become dirty white in the centre.” J. B. Ellis and B. M. Everhart. Pro¬ 
ceedings of the American Academy of Natural Sciences of Philadelphia, 
1893:456. 1893. 
