296 Dr. Smith'j Obfervations on the Britifi Species of Bromus. 



Radix annua, fibrofa, parva, fibris capillaribus. Culmus fefqui- 

 pedalis, erectus, gracilis, teres, ftriatus, ad apicem ufque foliofus, 

 geniculis 5 vel 6. Folia patentia, plana, fubflaccida, angufta, 

 acutiufcula, nervofa, utrinque molliflime pubefcentia, margine 

 fcabriufcula. Vagina cylindrical, nervofa?, molliflime villofa?, 

 pills parum deflexis. Slipula oblonga, lacera. ^Panicula fpitha- 

 inaea, nutans; ramis faepius ternis, elongatis, nutantibus, afperis, 

 fimplicibus, vix unquam bifloris. Spicule lanceolatae, pendulae, 

 fufco-virentes, fcabrse. Gluma? calycinte maxime insequales, lanceo- 

 latae, fcabrae; majori angulata, nervosa. Flofculi 6 ad 8, imbri- 

 cati, demum patentiufculi, lanceolati, compreffi, carinati, afperi, 

 7- vel 9-nervii, nervis duobus fubmarginalibus maximis, inter 

 nervos fulcati atque fubpubefcentes, apice ipfo fere ariftati, ariflis 

 gluma longioribus, fcabris ; gluma inieriores fetis raris pectinata?, 

 margine fcariofo inflexo. Stamina tria. Semen fulco exaratum. 



This common Bromus is readily known by its drooping, almoft 

 fimple, flovver-flalks, and narrow downy leaves. The ftrong nerves 

 of the glumes, a part hitherto generally much neglected in grafles, 

 are remarkable in this and the next fpecies. 



10. Bromus diandrus. 

 Upright Annual Brome-grafs. 



B. panicula erecto-patente fubramosa, flofculis lanceolatis nervofis 



fulcatis diandris. 



Bromus diandrus. Curt. Lond.fafc. 6. /. 



B. madritenfis. Linn. Sp. PI. 114. With. 16 1- 



EL mural is. Hudf. 50. Sibth. 48. 



B.. ciliatus. Hudf, ed. 1. 40. 



■ B. fterilis, 



