33 



8. BRIZA Quaking Grass 



A small genus of grasses native to Europe sometimes planted in the U.S. 

 as ornamentals. 

 1. Briza media L. 



Perennial. Cultivated and sometimes escaping to fields. Very rare; 



known from 3 stations (Randolph, Coos Co.; Windham, Rockingham 



Co.; Nelson, Cheshire Co.). Introduced. 



9. DACTYLIS Orchard Grass 



A common large, coarse grass of fields with spikelets crowded into 

 laterally flattened, asymmetrical clusters of ascending inflorescence 

 branches. 

 1. Dactylis glomerata L. 



Perennial. Fields, roadsides and waste places. Common throughout 



N.H. Introduced from Europe. (Including var. ciliata Peterm. and var. 



detonsa Fries). 



10. ERAGROSTIS Love Grass 



Bunchgrasses with mostly panicles, resembling Poa but having spikelets 

 usually longer, with more florets, often reddish or grayish. Lemmas keeled, 

 awnless. Several species introduced. 



Gould (1968) places the genus in the Tribe Eragrosteae, subfamily 

 Eragrostoideae. 



A. Stems creeping, forming low mats E. hypnoides 



A. Stems mostly erect or ascending 



B. Plants perennial; tuft or pilose hairs in axil of primary inflorescence 



branches; spikelets reddish E. spectabilis 



B. Plants annual; lacking tuft of hairs in axil of primary inflorescence 

 branches; spikelets lead-colored or drab at maturity 



C. Blades glandular or warty along the margin E. cilianensis 



C. Blades lacking glandular or warty margins 



D. Culms branching only at base E. capillaris 



D. Culms branching from middle or above 



E. Auricles of sheaths of upper leaves glabrous 



E. multicaulis 



E. Auricles of sheaths of upper leaves ciliate 



F. Spikelets mostly more than 5 mm long, usually 



more than 5 florets E. pectinacea 



F. Spikelets 2-4 mm long, 2-5 florets E. frankii 



1. E. hypnoides (Lam.) BSP 



Annual. Shores, Connecticut River Valley. Rare (known only from 

 Hanover). 



2. E. cilianensis (All.) Hubbard Skunk-, Stink- or Snake Grass 



Annual. Waste places and disturbed ground. Throughout N.H., 

 infrequent. Naturalized from Europe. 



