40. 
Uniola 
Uniola laxa (L.) BSP. Spikegrass, 
(new comb. Chasmanthium laxum (L.) Yates) Spanglegrass 
Java Farm. Infrequent in Hog Island salt marsh. Associate 
species: Distichlis spicata, Panicum virgatum. Higman 342, 452. 
Dactylis 
Dactylis glomerata L. Orchard-grass 
Java Farm. Infrequent: stations beside old and new entrance 
roads. Associate species: Galium aparine, Carex blanda, Carex 
muhlenbergii var. enervis, Fragaria virginiana, Poa pratensis. 
Higman 640, 1107. 
Bromus 
1. Spikelets strongly flattened, lemmas keeled; awn 
short or wanting. Expected (B. catharticus). 
1. Spikelets not strongly flattened, terete before 
flowering; awn usually present. 
2. Plants perennial; culms usually 1 m. tall or more. 
3. Creeping rhizomes present; panicle erect, 
contracted at maturity; lemmas glabrous; 
awn minute OF Wanting... ccrccreceeseveceseseees Be. inermis 
3. Creeping rhizomes wanting; panicle open, 
spreading or drooping; lemmas evenly pubescent; 
awn present. Expected (B. latiglumis). 
2. Plants annual; culms usually shorter than 70 cm. 
4, Lemmas narrow, acuminate, with a sharp callus 
at the base; awns usually more than 1.5 cm. long. 
Expected (B. tectorum). 
4. Lemmas broad, rounded above, without a sharp callus; 
awns usually less than 1 cm. long or wanting. 
5. Panicle contracted, its branches erect or 
ascending. 
6. Lemmas pubescent. Expected (B. mollis). 
6. Lemmas scabrous or glabrous..........-.+-. B. racemosus 
