1924] Lewis,—Flora of Penikese 225 
Sagina procumbens L. Stony soil on Neck. 
Spergularia marina (L.) Griseb. [S. salina Presl.]. Rare, beach 
on eastern side. 
*Spergularia rubra (L.) Presl. Common in stony barren ground. 
*Stellaria graminea L. Dry grassland, not common. 
Stellaria media (L.) Cyrill. [S. media Smith]. Behind cottages 
and near hospital. 
Portulacaceae 
Portulaca oleracea L. Garden. 
Ranunculuceae 
*Ranunculus acris L. Behind cottages and occasional in grassland. 
Ranunculus Cymbalaria Pursh. Tern Pond. 
*Ranunculus delphinifolius Torr. Tern Pond. 
Cruciferae 
*Brassica juncea (L.) Cosson. High ground, Tub Point. 
Cakile edentula (Bigel.) Hook [C. americana Nutt.]. Beaches; 
Gull Island. 
Capsella Bursa-pastoris (L.) Medic. Near hospital. 
Lepidium virginicum L. Dry soil, common. 
Raphanus Raphanistrum L. Tub Point. 
*Raphanus sativus L. (Escaped.) Behind cottages. 
*Sisymbrium altissimum L. Tub Point and east shore. 
Sisymbrium officinale (L.) Scop. Fairly common, beaches and 
near hospital. 
Rosaceae 
*Amelanchier oblongifolia (T. & G.) Roem. South end of island. 
Fragaria virginiana Duchesne. West of hospital. 
Potentilla argentea L. Behind cottages and on dry soil near beaches. 
*Potentilla monspeliensis L. 
*Potentilla pumila Poir. Fairly common on dry hillsides. 
*Rosa carolina L. 
*Rosa rugosa Thunb. (Escaped.) Occasional. 
*Rubus frondosus Bigel. Dense thicket, Tub Point. 
*Rubus laciniatus Willd. Tub Point. 
Rubus procumbens Muhl. [R. villosus Ait.]. Common locally, in 
patches. 
*Prunus serotina Ehrb. South end of island. 
