71 
Notes on Plants Collected by Dr. Edward Palmer at La Paz, 
Lower California, in 1890. F. N. Rose. (Proc. Am. Ass. 
Ad. Sci. xxxix. 347). 
Notes upon the Crystals in Certain Species of the Arum Family. 
Wm. R. Lazenby. (Proc. Am. Ass. Ad. Sci. xxxix. 332). 
Observation on the Method of Growth of the Prothallia of the 
Filicinee with Reference to their Relationships. Douglas H. 
Campbell. (Proc. Am. Ass. Ad. Sci. xxxix. 333). 
Phacelia—A new. T.S. Brandegee. (Zoé, ii. 252). Phacelia 
(Euphacelia) Eisenii from Fresno Co., California. 
Philadelphus microphyllus. H. Zabel. (Gartenflora, xxxix. 39- 
AI, fig. 10). 
Philosophy of the Crossing of Plants considered in reference to their 
Improvement under Cultivation. L. H. Bailey. Lecture at the 
public meeting of the Massachusetts State Board of Agricul- 
ture, 1892. (Reprint). 
Pilcomayo Expedition, Preliminary Notice. J. Graham Kerr. 
(Trans. Bot. Soc. Edinburg, xix. 128). 
Pinus monticola on the Californian Sierras. (Gard. and For. v. 
5 and 7. Two illustrations). 
Posadea, nouveau Genre de la Famille des Cucurbitacees. A\- 
fred Cogniaux. (Bull. Acad. Roy. Belg. (III). xx. 475-478). 
Description of a new genus and species from Colombia. 
Potato Scab, a Bacterial Disease. H.L. Bolley. (Proc. Am. Ass. 
Ad. Sc. xxxix. 334). gins 
Preliminary Notes ona New and Destructive Oat Disease. B. 
T. Galloway. (Proc. Am. Ass, Ad. Sci. xxxix. 333). 
Preliminary note on the genus Rynchospora in North America. 
N. L. Britton. (Proc. Am. Ass. Ad. Sci. xxxix. 331): 
Red Snowberry or Indian Currant. (Meehan’s Month. i. 83, il- 
lustrated). 
Report on the Use of Maize (Indian Corn) in Europe, and the 
Possibilities of its Extension. (Pamph. pp. 36, U. S. Dept. 
Agric. Wash., D. C., 1891). 
In addition to the economic statistics this pamphlet contains 
much of general interest in regard to our national grain and its 
gradual acceptance as a food product in Europe. 
Revue Critique des Espices du Genre Acer. Alfred Waesmael. 
