PAS es 
Leersia oryzoides (L.) Wx. Rice-Cutgrass 
Java Farm. One station: in freshwater part of Fox Creek 
marsh. Hectare 3516. Associate species: Rosa palustris, Aster 
puniceus, Impatiens capensis. Higman 246. 
L. virginica Willd. Whitegrass 
Java Farm. Infrequent, in woods near bank of Muddy Creek upstream 
from entrance road culvert; also along Fox Creek drainage; also one 
station in old field south of old entrance road. Associate species: 
Onoclea sensibilis, Epilobium coloratum, Glyceria striata, Elephantopus 
carolinianus. Higman 141, 188, 326. 
Hordeae 
1. Spikelets solitary at each node of rachis. 
2. Spikelets placed edgewise to the rachis............ Lolium 
2. Spikelets placed flatwise to the rachis. 
3. Annuals, cultivated. 
4) Glumesovate, S=nervediiccisceiecccees + sccsie ce es LLbEtttcum 
4, Glumes subulate, l-nerved..........e2ceeeee0- Secale 
3. Perennials, not cultivated; plants with creeping 
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1. Spikelets usually more than 1 at each node of the rachis. 
5. Spikelets 1-flowered, 3 at each node, the middle one 
sessile and perfect, the lateral pair usually 
pediceled, often reduced to awns and simulating 
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5. Spikelets 2- to 6-flowered, all alike, usually 2 or more at 
each node. 
6. Spikes dense; glumes as long as the lemmas, 
simulating an involucre; spikelets ascending 
or islightly! spreading nnn. hve eG ROR... Elymus 
6. Spikes loose; glumes reduced to minute awn; 
spikeletsrwidelly spreading. Jn). oe'en oan « Hystrix 
