103 
spores were described as occurring with the teleuto form, but of the 
remaining three species only the latter stage was observed. In one of 
these, I). Icvve , S. & B., on Manisurus granulis , the author has recently 
discovered the uredo form, which he describes as occurring abundantly 
on both sides of the leaves. The sori are scattered and give to the 
surrounding parts a reddish'or yellowish hue. The spores are roundish 
or ovate, 24-30/* in diameter, and are more or less spiny. Teleutospores 
of this species were very scarce. They are roundish or ovate, greatly 
enlarged at the apex and often somewhat concave. The author con- 
cludesiliis remarks on this genus by saying that it is certainly closely 
related to Puccinia , the only difference, so far known, being the posi¬ 
tion of the septum, which is never constant. 
Following the foregoing observations are notes on a new variety of 
Puccinia Schneideri , Scbrcet.; Puccinia rubejacie,is, Johans .5 Puccinia 
silphii , Scliw. ; Puccinia Seymericc , Burr. 5 Puccinia ribis , D. C. 5 Puccinia 
oxyriee , Fckl. $ Uromyces Holwai , n. s.; Uredo arcticus , n. s. } and Gccoma 
nitens , Scliw. 
Uromyces Holicai was collected at Ann Arbor, Mich., by Mr. E. W. I). 
Holway on Liliuni superbum. Both the uredospores and teleutospores 
occur at the same time? appearing 011 both sides of the leaf. The M- 
cidium was not found. The uredospores are roundish, spiny, and are 
20-26/* in diameter. The teleutospores resemble in every respect those 
of U. ery'hroniij (BO.), excepting that they are of a somewhat lighter 
color and have a thicker apex. In speaking of Gccoma nitens the au¬ 
thor cites the opinion of several writers as to the probable connection 
of this fungus with other Urcdmccc occurring upon Rubus, concluding 
his remarks by a reference to Allescher’s paper, published in Bot. Cen- 
trablatt, No. 48, 1888, in which it is shown that the Gccoma is an isolated 
form.— B. T. Galloway. 
Plowright, Charles It. A Monograph of the British Uredinecc and 
Ustilaginecc. 
The appearance of this book was gladly welcomed by American 
botanists, although it does not deal with distinctively American species. 
It tills a need long felt by workers in this special field by combining in 
a convenient form the history, biology, morphology, classification, and 
economics of the rusts and smuts. The economic features are not di¬ 
rectly treated in detail, but every portion abounds in notes and sugges¬ 
tions that can be applied to this phase of the subject, and the chapter 
on infection bears directly upon it. 
The first part of the book comprises chapters on the biology, my¬ 
celium, spermogonia, mcidiospores, uredospores, teleutospores, and 
heteroecism of the Uredinecc ; on the mycelium, formation of the teleuto¬ 
spores, and germination of the teleutospores of the Ustilaginecc ; on in¬ 
fection of host plants by the Ustilaginecc; spore culture, and artificial 
infection of plants. 
