49, 
Setaria glauca (L.) Beauv. Foxtail Grass, 
(S. lutescens (Weigel) F. T. Hubbard) Yellow bristlegrass 
Java Farm. Infrequent in old fields. 
Ivy Neck. Moderately abundant near margins of cultivated fields. 
Associate species: Strophostyles umbellata, Echinochloa walteri, 
Polygonum persicaria, Eupatorium serotinum, Datura stramonium. 
Higman 140, 336, 1045, 1052, 1127. 
S. faberii Herrm. Foxtail Grass 
Java Farm. One station: rubbish pile at main building area. 
Hectare 2580. Associate species: Eleusine indica, Datura stramonium. 
Also one station at north border, beside neighboring cornfield. 
Associate species: Clematis virginiana, Amaranthus hybridus. 
Ivy Neck. One station: pile of dry soil near artificial pond 
at head of Cheston Creek drainage. Hectare 4722. Associate species: 
Echinochloa pungens. Higman 5, 878, 1035. 
Echinochloa 
1. Second glume awnless (often acuminate in E. pungens); 
spikelets ovoid; fruit ovoid to oval; sheaths of 
leaves glabrous. 
2. Fertile (coriaceous) lemma obtuse to subacute, 
the tip soft and wilting; spikelets with appressed 
slender trichomes, pustular-based trichomes if 
present few and marginal. Expected (E. crusgalli). 
2. Fertile lemma acuminate, the tip firm; spikelets 
with conspicuous bristles, the trichomes usually 
pustular based wr cctenelslele ciele e crete creie (ales esi « «/ efeloie ele elere! Ee PUN SCT, 
1. Second glume awned (awn shorter than that of sterile 
lemma); spikelets ellipsoid; fruit slenderly lanceolate 
to lance-ellipsoid, acute; sheaths of leaves usually 
hirsute, the hairs pustular=based... sj. ccsec sec coeenns Bs Waltert 
Echinochloa pungens (Poir.) Rydb. Barnyard Grass 
(E. crusgalli (L.) Beauv.) 
Java Farm. One station: marshy west end of Phalaris arundinacea 
meadow, north of main building area. Hectare 2467. Associate species: 
Erechtites hieracifolia, Juncus effusus, Polygonum pensylvanicum, 
Polygonum sagittatum. 
