1916] McAtee,— Plants of Matinicus Island 37 



Spergula arvensis L. — In gardens; immature fruit. 



Sagina nodosa (L.) Fenzl var. glandulosa (Bess.) Asch. — Old 

 plants, capsules empty. 



Arenaria PEPLOIDES L. var. robusta Fern. — Some large mats 

 present on the beaches. 



Stellaria borealis Bigel. — Mature fruit. 



Stellaria media (L.) Cyrill. — Flowers to mature fruit. 



Cerastium vulgatum L. — Common; flowers to mature fruit. 



NYMPHAEACEAE. 



Castalia ODORATA (Ait.) Woodville & Wood. — Ice pond; purposely 

 introduced. 



RANUNCULACEAE. 



Ranunculus acris L. — Still in bloom everywhere in wet soil. 



Thalictrcm polygamum Muhl. — Akenes still hanging to old 

 plants in marsh near beach. 



Coptis trifolia (L.) Salisb. — " Yellow-root." On Sphagnum- 

 covered knolls. Used in treatment of canker, sore-throat, and 

 indigestion. 



CRUCIFERAE. 



Capsella bursa-pastoris (L.) Medic.— Gardens; flowers to ma- 

 ture fruit. 



Cakile edentula (Bigel.) Hook. — "Wild pepper grass." 

 Beaches; flowers to mature fruit. 



Brassica nigra (L.) Koch. — Gardens; flowers to mature fruit. 



Brassica campestris L. — Stubblefield; flowers and immature 

 fruits. 



Sisymbrium officinale (L.) Scop. — Gardens and flower-beds; 

 flowers and immature fruits. 



Cardamine pennsylvanica Muhl.— Young plants, submerged, 

 Ice Pond. 



SAXIFRAGACEAE. 



Ribes hirtellum Michx. var. calcicola Fern. — "Skunk cur- 

 rant." A few leaves left on the bushes. 



