. Contributions from the Botanical Laboratory, vol. 10. Botany; Botany. 60 The Flora of Bucks County, Pennsylvania GRAMINEAE (grass family) â¦Bromus secalinus L. Cheat. Chess. Naturalized from Europe, recognized as a weed; occasional. Riegelsville (It-R) ; Rich Hill (L); SellersviUe (B); Telford (Sm) ; Dublin (B) ; Tullytown (K). [Bromus racemosus L. Very rare in the United States and not known from Bucks County. The old records of this species are referred to B, com- mutatus.] *Bromus commutatus Schrad. {B. racemosus of Fretz's Flora.) A weed of fields, roadsides and waste places; naturalized
. Contributions from the Botanical Laboratory, vol. 10. Botany; Botany. 60 The Flora of Bucks County, Pennsylvania GRAMINEAE (grass family) â¦Bromus secalinus L. Cheat. Chess. Naturalized from Europe, recognized as a weed; occasional. Riegelsville (It-R) ; Rich Hill (L); SellersviUe (B); Telford (Sm) ; Dublin (B) ; Tullytown (K). [Bromus racemosus L. Very rare in the United States and not known from Bucks County. The old records of this species are referred to B, com- mutatus.] *Bromus commutatus Schrad. {B. racemosus of Fretz's Flora.) A weed of fields, roadsides and waste places; naturalized from Europe; frequent. Monroe (Rr-R); Rich Hill (B); SellersviUe (F); Tullytown (B); Croydon (K). * Bromus tectorum L. Naturalized from Europe; rather frequent. Durham Furnace (R-R); Ottsville (L); SellersviUe (B); Telford (B); Tullytown (K); Bristol (F); Croydon (K). â¦Bromus sterilis L. A European introduction; rare. Telford (F); New Hope (Sn). [Bromus ciliatus L. This is a northern species and does not occur in Bucks County. The material forming the basis of the Fretz records for Quaker- town and Rockhill was undoubtedly B. purgans.] Bromus purgans L. Beome-grass. Dry to moist woods and thickets; frequent. Revere (V); Ottsville (L); Pleasant Valley (L); Rockhill (J); Rocky Ridge (V); SellersviUe (F); Tohickon Park (F) ; LumbervUle (F); Brownsburg (B); Morrisville (B); Feaster- ville (B). I ^.^ ^ i /» f* ^f-^ v/(^. ^Ik 4^1 ^^ *^i ^> m> â ^ r â¢^ L- ^>^ V ^a^^^^ a-- 1 i ^y^ ^^» M-i^^A -v^- ^ H Gramineae 61 Bromus latiglumis (Shear) Hitchcock. (B. altissimus Pursh of Gray's Manual, ed. 7.) Alluvial banks and thickets; not frequent. Riegelsville (Bn); Finland (Bl); Argus (B); Brownsburg (L); Washington's Crossing (L). This is the plant with lower sheaths glabrous, but with the upper ones more or less pubescent and the awns of the lemmas 4r-5 mm. long. It is often confused with B, incanus (Shear) Hitchc, which has the lower sheaths more or less pubescent an
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