OF ARTS AND SCIENCES- 9 



Alopecurns pratensis L,. Rare ? 



Sporobolus vagiiiiflorus (Torr.) Wood. Common 



neglectus Nash. Common 



Agrostis alba L. Common 



" var. vulgaris (With.) Thurb. Common 

 [sylvatica L.] a teratological form of A. alba. Not rare 



hyemalis (Walt.) BSP. Common 



perennans (Walt.) Tuckerm. Common 



caniiia L. Not common 



Calamagrostia Pickeriiigii Gray. 



Pelham Rare 



canaclensis (Michx.) Beauv. Common 



cinnoides (Muhl.) Barton. Not common 



Ammophila arenaria (L.) Link. 



Hudson. Introduced as a sand-binder 



China arundinacea L. Common 



latifolia (Trev.) Griseb. Common 



Holcus lanatus L. Not common 



Spheiiopliolis obtusata (Michx.) Scribn., 



var. lobata (Trin.) Scribn. 



Manchester Rare 



Trisetum spicatum (L.) Richter. 



Concord Not common 



Deschauipsia flexuosa (L.) Trin. Common 



Aveiia fatna L. On dump ; very rare 



sativa L. A common escape 



Daiithoiiia spicata (L.) Beauv. Common 



conipressa Aust. Common, especially in wood roads 



Spartiiia Michanxiana Hitchc. 



Bank of -Merrimack River Rare 



