100 
thor in Ohio, Wisconsin, Nebraska, Iowa and Dakota. Among cul- 
tivated species only those are admitted which are grown on account 
of useful qualities or are of wide distribution. It is remarked that 
the species introduced prior to the occupation of North America 
by Europeans are mainly of South American or West Indian 
origin. Those of more recent advent are mostly from Europe and 
Asia, rarely from Africa or Australia. In all 623 species, be- 
longing to 353 genera are included. The Graminee are most 
numerous, 80 species being noted; there are 60 Composite, 48 
Leguminose, and 39 Labiate, 34 Rosacee and 30 Crucifere. We 
have no exotic Evicacee, Orchidee nor Pteridophyta. Europe 
has furnished 420 species, Asia 112, South and Central America 
and the West Indies 64, Africa 12, and Australia 1. 383 species 
are claimed to be spontaneous and the the remainder, 240, cul- 
tivated. Herr Bruhin’s list, while doubtless not quite complete, 
is of very great interest, and a valuable contribution to the litera- 
ture of plant distribution. 
Scribneria. ¥. Hackel. (Botan. Gazette, xi., pp. 105, 106; one 
plate.) 
A new genus of Graminee dedicated to Mr. F. Lamson 
Scribner of Washington, consisting of a single species, S. Bolan- 
dert, Hackel, of California and Oregon, originally described by 
Dr. Thurber as Lepturus Bolanderi. 
Thalictrum. Wm. Trelease. (Botan. Gazette, xi., pp. 92-93. 
Professor Trelease presents descriptions of 7. purpurascens, 
L., and 7. polyganum, Muhl., (7. Cornuti of Gray's Manual), 
giving the characters whereby he has been able to distinguish 
the two. He will be grateful for any specimens which will 
throw additional light on either of these species. 
_ Western South America.—Notes on the Botany of. John Ball. 
(Journ. Linn. Soc., xxii, pp. 137-168.) 
Willoughby Lake, Vermont.—A Trip to. Walter Deane. (Botan. 
Gazette, xi., pp. 112-116.) 
Botanical Notes. 
Tiarella cordifolia has more than once been sent to us with 
somewhat attenuated and dentate or even laciniate petals, lead- 
_ing one to suspect a possible crossing with Mitella diphylla. 
