XXIV. 



Dulichium spathaceum, Pers. ; common along shores of our ponds 



and in swamp holes. 

 Eleocharis Robbinsii, Oakes ; abundant above outlet of Mud Pond, 

 1878. — E. obtusa, Schultes; common. — E. olivacea, Torr. ; 

 Cherrytree Point, W. shore of Thompson Pond : Little Mud 

 Pond. — E. palustris, R. Br. ; very common ; var. glaucescens, 

 Pulver Corner marshes. — E. intermedia, Schultes; not com- 

 mon ; Thomas' Old Mill-pond and Thompson Pond. — E. tenuis, 

 Schultes; frequent; Thompson Meadow ; Fingar Marsh. — E. 

 acicularis, R. Br. — very common along shores of ponds and in 

 our large wet swamps. 

 Scirpus planifolius, Muhl. ; common on many of the wooded hills, 

 Stissing Mt., Mill Hill, Risedorf Hill, etc. This pretty caespitose 

 species grows most abundant on limestone land — very sparingly 

 with us : is it found on other soils ? — S. subterminalis, Torr. ; 

 abundant in Lee Pond, Mt. Riga. — S. pungens, Vahl. ; com- 

 mon along Stissing and Thompson ponds. — S. Torreyi, Olney ; 

 along east side Mt. Riga Pond. — S. validus. Vahl. ; very com- 

 mon. — S. Smithii, Gray; this somewhat local species grows 

 plentiful along shores of Stissing Pond, particularly below boat 

 landing. — S. fluviatilis, Gray; in a large pond hole on the Jno. 

 Rowe Hoystadt Farm, near C. Turpin Place ; very stout and 

 tall, 4 to 6 ft. high. — S. atrovirens, Muhl. ; common. — S. polv- 

 phyllus, Vahl. ; not common ; Furnace Brook Swamp, etc. — S. 

 Eriophorum, Michx. ; common, also its varieties. — Pulver Cor- 

 ner marshes, etc. 

 Eriophorum Virginicum, L. ; not uncommon; Bryant Hoysradt 

 Marsh, and swamps on Stissing Mt. — E. polystachyon, L. com- 

 mon ; Eno's Spruce Hole, etc.; both Vars. angustifolium and 

 latifolium are found in our large marshes and peat-bogs. — E. 

 gracile, Koch., Var. paucinervium, Engelm. ; not common ; 

 Carpenter Hill Cranberry Marsh, etc. 

 Fimbristylis autumnalis, Rcem. & Schult. ; not common ; Thompson 



Pond, with Eleocharis olivacea. — F. capillaris, Gray; common. 

 Rhyncospora fusca, Rceem &: Schult. ; rather common ; along 

 borders of Round Pond, Stanford ; very abundant about 

 Bingham and Mt. Riga Ponds — R. alba, Vahl. ; common in all 

 of our marshes. — R. capillacea, Torr. ; quite common; abun- 

 dant in centre of Hoag Pond Marsh, W. of Risedorf Hill; 

 South Pulver Corner marshes; Bryant Hoysradt Marsh, etc. — R. 

 glomerata, Vahl.; rare in vicinity of Pine Plains; grows plen- 

 tiful about Lee Pond, and on some parts of Mt. Riga. 

 Cladium mariscoides, Torr. ; common ; along Thompson and Stis- 

 sing Ponds, etc. » 

 Scleria pauciflora, Muhl. ; this rare A r itt-Rus]i I detected the past 

 season (1878) growing quite plentiful in dry, sterile, rocky 

 ground on south part of Stissing Mt. ; its arboreous compan- 

 ions are mainly the Rock Oak and Pitch Pine. 



