Me Tuckerman on New England Plants. 231 
first tribe, and the Lucentes or those with branched stems the 
second); and II, of those with linear suabmersed leaves ( Gramini- 
Sfolit ; in which the Compressi or species with free stipules are 
the first tribe, and the Pectinati or those with stipules and leaves 
connate, the second), best includes our American oy and, 
as is always the case with a natural disposition, pheds | ight on 
their aegis 
Agrostis. ‘In the article in a nee volume of this journal to 
which reteruiie has already been made, an account was attempt- 
ed, from considerable and nethientic materials, of the species of 
pene Phe eet considered to constitute the genus Trichodium. 
The Agrostis scabra there described, is, according to Dr. Gray, 
(Man ‘ “BIT, ) not the A. scabra of Willdenow, and is thus with- 
hy name. As it seems to me distinct from the more southern 
A. perennans, I shall venture to re-instate it, and subjoin, for 
fuller comparison, a revised description of the other species. 
Agrostis campyla, (mihi): culmis e basi geniculato ramoso 
erectis glabris ; foliis lanceolato- linearibus planis striatis scabris 
vaginis glabris ; Pont diffusa ramosa ramis 4—6-verticillatis 
breviusculis flexuosis patentibus divaricatisve scabris; floribus 
oblongis acutis sons glumis ineequalibus acntis 8. cuspi- 
» New England. New York, Torrey. Pennsylvania, 
Muhil. A stout, erect grass, with broad, lanceolate-linear leaves, 
a diffuse panicle ‘with more of less fletuots branches, and ob/on, 
sthoothish florets, the glumes being considerably unequal, and 
the : r one mostly smooth. 
A. perennans, (Tuckerm.): culmis e basi gracili geniculato 
rar erectitisculis procumbentibusque glabris: foliis patulis 
longiusculis linearibus planis striatis scabris vaginis levibus ; pan- 
icula Pema tn he demum oblonga Jaxiuscula ramis verticillatis 
e is scabris ; floribuis lineari-lanceolatis acuminatis, glumis 
angustatis acutissimis s. cuspidatis carinis scabris circiter lineam 
longis subequalibus; palea lineari-lanceolata glumis breviori 
acuta glabra. Sill. Journ., rlv, p. 44. Cornucopia perennans, 
Walt. Fl. Carol., p. 74. Trichodium perennans, Ell. Sk. — p- 
99, dab. v, f. 2. j ae Cornucopia, Fraser! in Gent. _ 
59, p. 873, cum Icone. Agrostis anomala, Willd. Sp. 1, p. 3 
Trichbdtum decumbens, Miche. Fl. 1. p. 42. Muhl. Gram., p- 
60. 7 scabrum, Darlingt. Cest. , p. 54, nec Muhl. 
Has. Carolina, F’raser / Pemsylvania, Darlington! South- 
ern Ohio, Sudlivant! A delicate grass, sending up many assur- 
gent, slender culms from the procumbent base. Leaves rather 
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