in the Bromes and their Brown Rust. 245 
B. ciliatus , L. 
Is a N. American species occurring all over from Newfound- 
land to New York, westward to Minnesota, Iowa, and north- 
wards into Canada, and south to Texas. It is placed by 
Britton and Brown next B. erectus and B. asper , and grows 
in woods and thickets. It has wider leaves, stouter culms, 
and more diffuse and drooping branches to the panicle than 
B. erectus , and the sheaths are devoid of the long retrorse 
hairs so characteristic of B. asper. Several varieties have 
been described *, of which B. purgans {B. pubescens , Muhl.) 
is well marked by its more pubescent paleae hairy all over, 
and B. laeviglumis , Scribner, which has nearly glabrous paleae 
with at most a very slight pubescence on the margins near 
the base. The latter occurs in Maine to N. Carolina and 
extends into Canada. 
I have not as yet had the opportunity of growing and 
experimenting with the true B. ciliatus , L. Under the name 
B. ciliaris , Torr., I have received what is a totally different 
plant, as the seeds and seedlings show. 
B. canadensis is somewhat like B. asper in general appear- 
ance, but rather flatter, 13-14x2 mm. and with fimbriated 
membranous palea above ; awn 8 mm. Nerves indistinct, 
glabrous. Colour yellow-grey. 
B. canadensis , Michx., is the same as B. ciliatus , L., accord- 
ing to the c Index Kewensis,’ cf. Michx. Flor. Bor. Ann. i. 65 
and Linn. Sp. Plant. 76. 
B. canadensis was found to germinate very poorly. In five 
days only two, and on the sixth day only five had moved out 
of a batch of nineteen sown. 
(2) Stenobromus. 
B. tectorum , L. *Z>. sterilis, L. 
*B. madritensis , L. B. maximus , Desf. 
1 B. ciliatus (Huds.) is the very different B. madritensis (L.) ; and B. ciliatus 
(Muhl.) is B. Kahlmii (A. Gray). B. ciliatus (Lam.) is Brachypodium 
distachycum ( Beauv. ) . 
