296 Dr. Smitu’s Obfervations on the Briti/h Species of Bromus. 
Radix annua, fibrofa, parva, fibris capillaribus. Cwlmus fefqui- 
pedalis, erectus, gracilis, teres, ftriatus, ad apicem ufque foliofus, 
geniculis 5 vel 6. Folia patentia, plana, fubflaccida, angufta, 
acutiufcula, nervofa, utrinque molliffimé pubefcentia, margine 
fcabriufcula. . Vagine cylindrice, nervofx, molliflimé villofe, 
pilis parm deflexis. S#pula oblonga, lacera. Panicula {pitha- ~ 
‘meza, nutans; ramis fepius ternis, elongatis, nutantibus, afperis, 
fimplicibus, vix unquam bifloris, Spicu/e lanceolate, pendula, 
fufco-virentes, fcabre. Glume calycine maximeé inzequales, lanceo- 
late, fcabree; majori angulat&, nervosa. Fio/culi 6 ad 8, imbri- 
cati, demum patentiufculi, lanceolati, compreffi, carinati, afperi, 
7- vel g-nervii, nervis duobus fubmarginalibus maximis, inter 
nervos fulcati atque fubpubefcentes, apice ipfo feré ariftati, ariftis 
glum longioribus, fcabris; g/ume interiores fetis raris peCtinate, 
margine fcariofo inflexo. Stamina tria. Semen fulco exaratum, 
This common Bromus is readily known by its drooping, almoft 
fimple, flower-ftalks, and narrow downy leaves. The ftrong nerves 
of the glumes, a part hitherto generally much neglected in graffes, 
are remarkable in this and the next fpecies. | 
‘10. Bromus diandrus. 
Upright Annual Brome-gra/s. 
B. panicula ereéto-patente fubramos4, flofculis lanceolatis nervofis 
fulcatis diandris. 
Bromus diandrus. Curt. Lond. fafc. 6. t. 
B, madritenfis. Linn. Sp. P/. 114. With, 161. 
B. muralis. Hudf. 50. Sibth, 48. 
B. ciliatus. Hudf ed. 1. 40. 
: fi B. fterilis, 
