TRIANDRIA DIGYNIA. 567 



faepius glabrinfculae. Ligula breuis, obtufa ; iuue- 

 niiia integra; adukior lacinulata. Panicula bi-triun- 

 cialis, fartigiata, femper erecta; primo contracta, deia 

 patens. Rachis Itriata: inja parte teretiufcula, gla- 

 bra ; reliqua parte, vt rami, angulata et fcabra. Rami 

 plures, tenues, apice iitcrairati, plerumque fimplices, 

 fpiculis breuiores. Spiculae lineari-lanceolatae, acu- 

 tae, nitidae, fcabrae, virides vel e viridi et purpu- 

 vafcente variae; primo fubteretes, dein comprelfae 

 Ilosculis remoiis. Flosculi quinque, rarius plures; 

 in aliis diandri, triaudri in aliis. Glumae calicinae 

 lanceolalae, acuminatae, compreffae, margine mem- 

 branaceae, carina faepius lcabrae, inaequalee: maiori 

 iieruis tribus; minori acutiori, vnico tantum neruo 

 diftincta. Gluma corollina exierior lanceolata, acu- 

 minata, fubcomprella, margine membranacea, feptern- 

 neruis, ad neruos fcabra, apice bihda. Arifta infra 

 apicem pr(uienit glimia longior, tenuiflima, recta, 

 fuperiori parte pleruniqne purpurafcens. Inierior 

 gluma exteriori longe minor anguftiorque, apice fae- 

 pius bitida, ad flexurae angulos tenuilfime ciliata. 

 In folo fteriliori culmi humiliores, vix femipedales, 

 panicula pauciflora et rami breuiores. 



15. BROMVS rigidns, panlcula erecta, fpiculis fcabris 

 lanceolatis deiu Iloscnlorum remotione compreiTis 

 et fuperne latioribus, fiosculis diandris, ariltis rectis 

 gluma longioribus, foliis pubefcentibus. 



Bromus rigitlns. RotJi. in Roem. et Vfter. Diar. Botan. 



fafc. 10. p. 21. Ejnsd. Catal. i. p. 17. Spec. Plant. ed, 



M-iUd. 1. p. 437- 

 Brorntis rubens. Hoft. Gram. 1. p. 15. 

 Ic. HojL l. c. m8- 



Gerrn. Steife Trefpe. 



In Litorali ad vias, in vineis, alibique haud infrequens 

 {Iloji, Ffutlftu). 



Annua. Flor. Maio. 



Praecedenti nimia afiinis, dluerfus tamen panicula mi- 

 nori, femper contracta; ramis fimplicilTimis, breuio- 

 ribus; fpiculis iineari-lanceolalif, tumidiufculis, tlo- 

 refceniia peracta ex toto rubefcentibu9i flosculis 



