FESTl'CE.E. 521 



•& S. Mant. 2 : 394 (1824). B. vircns Trin. ■^^em. Acad. St. Petersb. 

 <VI.) 1:362 (1831). />'. scrofina Bum. Obs. Gruiu. Bclg. 110 

 (18:8). B. tremida Ltim. Fl. Fr. 3:587. 



Perennial; 20-GO cm. liigli. Ligulo 1-2 mm. long; blades 

 thin, scabrous, Hat, 5-10 cm. long, 2-3 mm. wide, rather abruptly 

 pungent-pointed. Panicle ovoid or pyramidal, open, rays capillary. 

 Spikelets 6 mm. long, 5-9-flovvered, green or purplish, half oval; 

 •empty glumes shorter than the first lloral one. 



Vermont, Primjh. 



Sparingly introduced from Europe. 



3. li. MAXIMA L. Sp. PI. 70 (1753). Large QrAKixo-caiASS. 

 B. monspeHsnlana (Jouan, Hort. ]\Ionsp. 45 (1708). B. rvhens 

 Poir. Suppl. 1:()9!). B. rubra Lam. 111.1:187 (1791). B. 

 {jrandis Salisb. Prod. 21 (1790). />'. copensis Schrank, Ilort. 

 Monac. /. 43 (1818). B. major Presl, Oyp. et Gram. Sic. 42 

 (1820). 



Annual; 40-00 cm. high. liigule 3-5 mm. long; blades flat. 

 Panicle simple, ovoid, 5-10 cm. long, rays single or in twos, ca^iil- 

 lary, each bearing 1-3 spikelets. S{)ikclets nodding, ovate. 10-17 

 mm. long, 8-10- flowered; empty glumes 7-9 mm. long, 11-nerved; 

 floral glume sjjaringly puberulent on the back. 8 nmi. long, coii- 

 cave-s})lierical, 11-nerved; ])alea oval, 4 mm. long. 



Massachusetts, Beal 105; Michigan, Clark 2327; Colorado, 

 Cassidy. 



Found in Euro})e; cultivated for ornament. 



4. B. rotundata (IL B. K.) Steud. Syn. Pi. Gram. 284(1855). 

 Brotiiiix rohtiiilalKS IL P). K. Nov. Gen. et. Sp. 1:152(1815). 

 Briza Lainnrklana Cham. & Schlecht. Linuiva 0: 39 (1831). 



A tui'ti'd erect perennial, 00-90 cm, higli. Leaves scabrous, 

 ligule 1-2 mm. long: blades 15-30 cm. long. 2-:> mm. wide. 

 Panicle sim[)le; 8-10 cxn. long, rays mostly in twos and threes, 

 erect. Spikelets ovoid, sliglitly (•omj»ressed. G-8-tlowered. 4-15 

 mm. long; emi)ty glumes green, first IJ-nerved, seeoiul 5-nerved, 

 about 2.5 mm. long; floral glume 3 mm. long, firm, circular, tumid 

 on the back, apex contracted, subacute; palea flat, broadly oval, 

 subacute, 1.7 mm. long. 



