146 



Grass Flora of the Nebraska Plains. — Chas. E. Bessey. (Amer. 

 Nat., xxii., pp. 171, 172.) 



Hairs of the Plane Tree. (Gard. Chron., iii., p. 370.) 



The writer records that the stellate hairs of Platanus occide?i- 

 talis and P, orie^italis are the cause of irritation to the mucous 

 membranes of the throat and nose, and calls attention to the fact 

 that this was known to Galen, Dioscorides and Plato. 



L 



Heleocharis prolifera, Torr. — Arthur HoUick, (Proc. Nat. Sci. 



Assoc. Staten Island, March 10, 1888.) 



Mr, HoIIick describes the occurrence of a plant in a deep 

 spring on Staten Island, provisionally referred to this species. I 



Hydrophyllum Canadense, Etinie anatomique. — M. Garcm. 



(Bull. Trimes., Soc. Bot Lyons, v., pp. 77-85.) 



htdigenous plants^ Pharntacopmal. — R. G. Eccles, M. D. (West- 

 ern Druggist, X., pp. 43-46, 79-81.) 



Iowa PeronosporcB and a dry Season. — Byron D. Halsted. (Bot 

 Gaz., xiii., pp. 49-59.) 



Iris bracteata. — Sereno Watson. (Garden and Forest, i., p. 43> » 



fig. 8.) 

 Isoetes. — The distribution of — L. M. Underwood. (Bot Gaz., 



xiii., pp. 89-94.) 



Prof. Underwood enumerates the species of Europe, Africa, 

 Asia, Australasia, South America and North America, quoting 

 freely from Baker and Engelmann ; reaches some interesting gen- 

 eral conclusions and describes two new species, Isoetes Mexicana^ 

 ' collected by C. G. Pringle, Oct., 1887, and distributed as No. 

 1447, and / maritima, from Vancouver Island, collected in 

 August, 1887, by John Macoun. 



Kansas Forest Trees, identified by Leaves and Fruit. — W. A. 

 Kellerman and Mrs. Kellerman. (Trans. Kansas Acad. Sci., 

 X., pp. 99- n I ; also reprinted.) 



Lentiniis lepideus, Fr,, and Trametes Pini, Fr, — Notes on, P. H. 



Dudley. (Journ. N. Y. Micros. Soc, iv., pp. 118, 119) 

 Lichen new to the United States, — E. A, Rau. (Journ. Mycol., 



iv., p. 20.) Trypethelium heterochrons (Mont.), Tuck., fron^ 

 Lake Osceola, Fla. 



