MIDDLESEX FLORA. 123 



i. A form of /, witli very narrow, slender-pointed leaves, rather 

 small spikelets, long-stalked panicles and smooth foliage. Bear's 

 Den Road, Middlesex Fells (F. S. Collins). 



j. A form received from Nantucket, but not reported in the county, 

 is moderately tufted, slender, straight, with few ex-ect, thick, very 

 rough-edged, short and short pointed leaves, ciliate near the base 

 with few long hairs, the sheaths pubescent on the margins, the 

 panicles small and long stalked, the spikelets small, obovate and 

 scattered, of stoutish aspect from the wide sheaths and rigid 

 leaves. It is entered here that it may be looked for. Possibly 

 a different species. 



P. dichotomum having never been thoroughly woi'ked up, 

 provisional names are omitted, as possibly misleading attempts at 

 adaptations to foi-ms described merely as presented by the 

 county collections." 



P. depauperatum, Muhl. 

 Maiden, Winchester, Waltham, Concord, et al. Not very common. 



P. Crus-Galli, L. Barnyard Grass. 

 Very common. Nat. from Eu. 



P. Crus-Galli, L., var. hispidum, Gray. 



VYaltham List ; Medford (F. S. Collins). Scarce. Possibly native. 



P. miliaceum, L. Bird Millet. 

 Lowell, "dumps" (Dr. C. W. Swan) ; Maiden, Cambridge and Med- 

 ford (F. S. Collins). Adv. from Eu. 



A coarse, stout grass, 1-3 feet high, with hirsute leaves and sheaths, 

 swollen nodes, large, open, nodding panicles, large, ovate, solitary 

 spikelets, becoming yellow in ripening; glumes pointed, subequal. 



Setaria, Beauv. 



S. verticillata, Beauv. 

 Cambridge, growing wild in a garden, 1883 (Walter Deaue ; speci- 

 men in herb, of) ; Waltham List. Adv. from Eu. 



S. GLAUCA, Beauv. Foxtail. Pigeon Grass. 

 Not uncommon. Nat. from Eu. 



S. viRiDis, Beauv. Green Foxtail. Green Pigeon Grass. Wild 

 TiMOTHT. Bottle Grass. 

 Frequent in waste places. Nat. from Eu. 



S. Italica, Kunth. Hungarian Grass. Gerbian Millet. Ben- 

 gal Grass. 



Lowell, Westford. Medford, et al. Forms widely differing in size 

 and appearance are referred by the best authorities to this species. 

 Nat. from Eu. 



