88 ' botanical gazette. [ October, 



collected August 30, 1884, in Dakota, on Salix jlavescens; 

 and September 8, 1884, at Bozeman, on Salix rostrata Rich- 

 ardson, 



Phyllactinia suffulta (Reb.) Sacc. (1) On Cornus 

 stolonifera Michx., collected at Helena, September 7, 1888. 

 Its habit is opposite to that of Uncinula, for it grows almost 

 exclusively on the underside of leaves. A hand lens will 

 show here and there an isolated perithecium on the upper 

 surface, while the lower will be one mass of perithecia. (2) 

 On Betula sp., Helena, October 1, 1888. The same general 

 habit as noticed on Cornus, but not so abundant. 



Podosph^ra oxycanth^e (DC.) DBy. On Primus Vir- 

 giniana L., Helena, September 17, 1888. Mycelium persist- 

 ent, evident ; perithecia dark brown and exceedingly abun- 

 dant, sometimes almost covering the entire leaf on both sides. 

 In 1889 no signs of it have been observed on the same trees 

 which bore it so richly in 1888. 



Sph^rotheca MORS-uv.dE (Schw.) B. & C. On Ribes 

 Jioridum L., October 8, 1888. As yet this fungus on this 

 host has proven exceedingly scarce, yet no apparent reason 

 has been observed. 



In the study of Montana fungi I would acknowledge my 

 indebtedness to Messrs. Ellis, Holway and Anderson. 



Helena, Montana. 



BRIEFER ARTICLES. 



the garden. 



add 



The policy of the trustees of the Missouri Botanical Garden.— At a 



recent meeting the trustees of the garden adopted the following outline 

 of general policy to be pursued in the development of the important insti- 

 tution left to their charge : 



To maintain or even augment the present ornamental features of 



A^«,uu to the botanical usefulness and interest of the collection by 

 the introduction of American plants, so that, other things being equal, 

 these shall ultimately be largely represented, and may even preponderate 

 outside of the green-houses, giving then in the garden an epitome of the 

 characteristics of our native flora. 



To carry into execution, as rapidly as possible, a system of correctly 

 naming and labeling all plants in the grounds with the exception of such 

 as ma he used in ribbon-gardening or for other exclusively ornamental 



purposes 



To provide fire-proof quarters for the invaluable herbarium of the 



