618 I'uAri:.!:. 



The plant seen for (lo.scripiion cjinie from Italy from the Her- 

 barium of I. Hurk, uiid is now owned l»y !•'. \u Scribner. 



15. u. iioKDKACKis T.. Sp. ri. ;; (i;r>:{). //. hio/UsI,. sp. v\. 



Ed. 2:llii {l:^'>'l). 



A tomt'Utosoor iiiib('S(!ont^dim('oiis>_M'(rn eroctor^^'cniculiiteiri'iif^!^. 

 30-50 cm. hijj:li. Shi'iitlis id)oiil tho Iciifftli of the intornodcs; li^iiilc 

 1 mm. long; blatU's Hat, 4-5 in niinihcr, S-15 cm. lony;, 4-('» nun. 

 wi(U'. Panich'O void, erect or noddinu;. rays in fours or lives, I'cw- 

 llowered, the lonj^est 3-4 cm. Ion;,' beside the spikelets, but most of 

 them less tlum I cm. long. S[iikclets 0-10-llowered, oblong, acute, 

 sliglitly compressed, 1.5-'i cm. long, joints of the racliilla I nun. 

 h»ng; emi)ty glumes ovate, acute, lirst ;j-5-nerved, G-S nun. long, 

 second T-D-iu'rved. 8-10 nun. long; lloral glume oval-obovate, 5-T- 

 nerved, billd. (5-8 nun. long, tlie awn from the sinus 0-8 mm. long; 

 palea pectinate-ciliate, reaching neai'ly to the simis of its glume, 

 (irain linear, ilat. licgardcd by Bentham as only a variety or form 

 of fi. (inu'iiniK L., but usually named as above. 



IVruisylvauia, Ciuthy for ('lark ISi'ii'i) jMicliigan, Beal 140; Cal- 

 ifornia, Pruif/h: 



Introduced from Europe into nu-adowa and lawns. 



16. B. ciliatus L. Sp. PI. 7(5 (1:53). B. Canmli-nsis ^lichx. 

 Fl. Bor. Am. 1:G5 (1803). B. pithescem Muhl. Willd. Euum. 

 Ilort. Berol. 120 (1809). 



Au erect jjerennial, 60-90 or even 150 cm. high. Sheaths 

 longer than the internodes. smooth, scabrous, or hairy; ligulealirm 

 ring, 1 nun. or less in length ; blades G-0 or rarely 14 in number, ilat or 

 involute above when dry, tapering toward the base, smooth, scabrous 

 or somewhat hairy, 20-30 cm. long, 5-10-17 mm. wide. Panicle 

 open, oval ov pyramidal, slightly nodding, 10-25 cm. long, rays in 

 twos, threes, or fours, the longest 0-10 cm. long, branching near 

 the middle, each bearing 1-2 or few spikelets. Spikelets terete- 

 lanceolate when young, but when older flattened, oblong or oval- 

 cuneate, 7-12-flowered, longest joint of racliilla 1.5-2 mm. long, 

 with a few hairs at least on the convex side; first empty glume 

 compressed, linear-lanceolate, 5.5-7 mm. long, usually 1-nerved, 

 sometimes 3-nerved, both forms on the same panicle, seconil glume 



