571 
Brachypodium.'] cvn. graminete. 
creeping rhizome. The glumes have only 3 principal nerves or ribs, 
but occasionally a smaller and shorter one may be seen on the 
side between the lateral nerve and the midrib. What the true T. bi- 
florum of Brignoli is, we do not know, further than that he describes 
it with an annual root, and constantly 2-flowered spikelets, and that 
he never found more than one tuft of it. 
38. Brachypodium Beauv. False Brome-grass. 
(Tab. VIII. f. 35.) 
Spikelets solitary, transverse to the rachis, usually alternate 
and remote, linear, cylindrical-compressed, many-flowered. 
Glumes 2, opposite, unequal, shorter than the contiguous lowest 
floret, about 7-ribbed. Glumellas 2 ; outer one convex on the 
back, with several ribs, setigerous or awned at the extremity; 
inner one retuse, coarsely fringed on the ribs above. — Ligule 
short and irregularly incise. — Named from fipaxv e, short, and 
nodiov, a little foot ; from the sessile or nearly sessile spikelets. 
This genus holds an intermediate place between Bromus and 
Triticum: from the former it differs by the sessile spikelets, 
and the terminal awn ; from the latter, by the unequal glumes, 
long, almost cylindrical spikelets, and inner glumellas coarsely 
fringed on the ribs above the middle. 
1. B. sylvdticum Beauv. (slender F.) ; spike drooping, spike- 
lets solitary nearly cylindrical distichous, awns of the upper 
florets longer than their glumellas, leaves flat, root fibrous. 
Festuca Buds. Bromus Poll.: E. B. t. 729. Triticum Mcench : 
Pam. Gr. t. 61. 
Woods and hedges, not unfrequent. If. 6, 7. — Culms 2 feet 
high. Leaves broadly linear-lanceolate, usually flaccid and hairy on 
the upper surface. Sheaths usually hairy. Glumes unequal, lanceo- 
late-acuminate, about 7-nerved. Outer glumella linear-lanceolate, 
about 7-nerved, scabrous or sometimes hairy. Whole plant some- 
times as glabrous as the next species, and then only to be distinguished 
by the longer awns and the root. 
2. B. pinndtum Beauv. (Heath F.) ; spike erect, spikelets 
nearly cylindrical distichous, awns of the upper florets shorter 
than their glumellas, leaves rigid, rhizome creeping. — o. leaves 
flat. Festuca Huds. Bromus L. : E. B. t. 730. Triticum 
Moencli: Pam. Gr. tt. 132, 133, 136, 137. — 0. leaves involute. 
" am . Gr. t. 134. 
Open fields and heathy places in England, on chalky soil. — /S. near 
Bath. 7/.. 7. — Spikelets scabrous or hairy. Glumes and outer 
glumellas about 7-nerved. A monstrosity occurs with a tuft of spike- 
lets at the same point of the rachis. (Pam. Gr. t. 135.) 
