Atlas of the flora of New England: Poaceae Genera (S-Z)

SCHIZACHNE

Schizachne purpurascens (Torrey) Swallen - False Melic. 2n = 20.

Rich woods.

SCHIZACHYRIUM

Schizachyrium littorale (Nash) Bicknell - . 2n = 40.

Upper borders of sea beaches, dunes. [Andropogon littoralis Nash; Andropogon scoparius Michaux var. littoralis (Nash) Hitchcock; S. scoparium (Michaux) Nash var. littorale (Nash) Gould]

Schizachyrium scoparium (Michaux) Nash - Little Bluestem. 2n = 40.

Dry soil, old fields, open woods. [Andropogon scoparius Michaux var. scoparius; Andropogon scoparius var. ducis Fernald & Griscom; Andropogon scoparius var. frequens F. T. Hubbard; Andropogon scoparius var. neomexicanus (Nash) Hitchcock; Andropogon scoparius var. septentrionalis Fernald & Griscom]

SECALE

SECALE CEREALE Linnaeus - Rye. 2n = 7, 14, 16, 27-29.

Waste places, roadsides. From Eurasia.

SETARIA

SETARIA FABERI R. A. W. Herrmann - . 2n = 36.

Roadsides, railroads, waste places, fields. From eastern Asia.

SETARIA ITALICA (Linnaeus) P. Beauvois - Foxtail Millet. 2n = 18.

Cultivated land, waste places, roadsides. From the Old World.

Setaria parviflora (Poiret) Kerguélen - . 2n = 22, 36, 72.

Salt marsh borders, hillsides, waste places. [S. geniculata - misapplied]

SETARIA PUMILA (Poiret) Roemer & Schultes - Yellow Foxtail. 2n = 35, 36, 44, 72.

Dry sandy soil, roadsides, cultivated land, waste places. From Europe. [S. GLAUCA - misapplied; S. LUTESCENS (Weigel) F. T. Hubbard]

SETARIA VERTICILLATA (Linnaeus) P. Beauvois - Bur Foxtail. 2n = 18, 36, 54, 72, 108.

Waste places. From Eurasia.

SETARIA VIRIDIS (Linnaeus) P. Beauvois - Green Foxtail. 2n = 18, 36.

Cultivated fields, roadsides, railroads, waste places. From Europe. [S. VIRIDIS var. BREVISETA (Döll) Hitchcock; S. VIRIDIS var. WEINMANNII (Roemer & Schultes) Brand]

SORGHASTRUM

Sorghastrum nutans (Linnaeus) Nash - Indian Grass. 2n = 20, 40, 80.

Dry fields, roadsides, rocky shores of rivers.

SORGHUM

SORGHUM BICOLOR (Linnaeus) Moench - Sorghum. 2n = 10, 20.

Waste places. From Africa. [S. VULGARE Persoon]

SORGHUM HALEPENSE (Linnaeus) Persoon - Johnson Grass. 2n = 18, 20, 26, 40, 60.

Waste places. From the Mediterranean.

SPARTINA

Spartina alterniflora Loiseleur - Smooth Cordgrass. 2n = 40, 42, 56, 60, 62, 70.

Salt marshes, tidal shores. [S. alterniflora var. pilosa (Merrill) Fernald]

Spartina cynosuroides (Linnaeus) Roth - Big Cordgrass. 2n = 28, 40, 42, ca. 80.

Salt marshes. [S. cynosuroides var. polystachya (Michaux) Beal ex Fernald]

Spartina patens (Aiton) Muhlenberg - Saltmeadow Cordgrass. 2n = 28, 40, 42, 56.

Salt marshes. [S. patens var. monogyna (M. A. Curtis) Fernald]

Spartina pectinata Link - Prairie Cordgrass. 2n = 28, 40, 42, 84.

Shores, meadows, lowlands. [S. pectinata var. suttiei (Farwell) Fernald]

SPARTINA hybrids

Spartina X caespitosa A. A. Eaton - . 2n = 40.

Salt marsh borders, beaches. [S. patens (Aiton) Muhlenberg X S. pectinata Link; S. patens var. caespitosa (A. A. Eaton) Hitchcock]

SPHENOPHOLIS

Sphenopholis intermedia Rydberg - . 2n = 14.

Meadows, shores, damp slopes. [S. obtusata (Michaux) Scribner var. major (Torrey) K. S. Erdman]

Sphenopholis nitida (Biehler) Scribner - . 2n = 14.

Rich, rocky woods.

Sphenopholis obtusata (Michaux) Scribner - Prairie Wedgegrass. 2n = 14.

Wood borders, shores, dry ledges. [S. obtusata var. lobata (Trinius) Scribner; S. obtusata var. pubescens (Scribner & Merrill) Scribner]

Sphenopholis pensylvanica (Linnaeus) Hitchcock - Swamp Oats. 2n = 14.

Meadows. [Trisetum pensylvanicum (Linnaeus) P. Beauvois ex Roemer & Schultes]

SPOROBOLUS

Sporobolus asper (P. Beauvois) Kunth - . 2n = 54, 88, 108.

Dry, sandy, open soil.

Sporobolus clandestinus (Biehler) Hitchcock - . 2n = 46, 48, 52, 54, 56.

Dry, sandy or rocky soil.

SPOROBOLUS CONTRACTUS Hitchcock - Spike Dropseed. 2n = 36.

Sandy soil. [S. CRYPTANDRUS (Torrey) A. Gray var. STRICTUS Scribner]

Sporobolus cryptandrus (Torrey) A. Gray - Sand Dropseed. 2n = 18, 36, 38, 72.

Sandy soil, usually near sea shores.

Sporobolus heterolepis A. Gray - Prairie Dropseed. 2n = 72.

Dry trap (limestone or serpentine).

Sporobolus neglectus Nash - . 2n = 36.

Dry open soil.

Sporobolus vaginiflorus (Torrey ex A. Gray) Wood - Poverty Grass. 2n = 54.

Roadsides, sandy fields, dry, open, sterile soil. [S. vaginiflorus var. inaequalis Fernald]

TAENIATHERUM

TAENIATHERUM CAPUT-MEDUSAE (Linnaeus) Nevski - . 2n = 14.

Waste places. From Europe. ELYMUS CAPUT-MEDUSAE Linnaeus]

TORREYOCHLOA

Torreyochloa pallida (Torrey) Church var. pallida - . 2n = 14.

Pools, pond margins. [Glyceria pallida (Torrey) Trinius; Puccinellia pallida (Torrey) R. T. Clausen]

Torreyochloa pallida (Torrey) Church var. fernaldii (Hitchcock) Dore ex Koyama & Kawano - . 2n = 14.

Shallow water, wet places. [Glyceria fernaldii (Hitchcock) St. John; Glyceria pallida (Torrey) Trinius var. fernaldii Hitchcock]

TRAGUS

TRAGUS BERTERONIANUS Schultes - . 2n = 20.

Ballast, wool waste. From the Old World.

TRAGUS RACEMOSUS (Linnaeus) Allioni - . 2n = 40.

Ballast, waste areas. From the Old World.

TRIDENS

Tridens flavus (Linnaeus) Hitchcock - Purpletop. 2n = 40.

Dry fields, roadsides. [Triodia flava (Linnaeus) Smyth]

TRIPLASIS

Triplasis purpurea (Walter) Chapman - Purple Sandgrass. 2n = 40.

Sand dunes.

TRIPSACUM

Tripsacum dactyloides (Linnaeus) Linnaeus - Eastern Gamagrass. 2n = 18, 36, 45, 54, 72, 90, 108.

Shores, salt marsh borders.

TRISETUM

TRISETUM FLAVESCENS (Linnaeus) P. Beauvois - Yellow Oats. 2n = 24, 28, 36, 38, 40, 42.

Fields, roadsides. From Europe.

Trisetum melicoides (Michaux) Vasey ex Scribner - Purple False Oats.

Gravelly shores, river thickets. [T. melicoides var. majus (A. Gray) Hitchcock]

Trisetum spicatum (Linnaeus) Richter - . 2n = 14, 28, 42.

Wet ledges, shores. [T. spicatum var. molle (Michaux) Beal; T. spicatum var. pilosiglume Fernald]

TRITICUM

TRITICUM AESTIVUM Linnaeus - Wheat. 2n = 14, 21, 34, 41, 42, 44.

Waste places. From Eurasia.

UROCHLOA

UROCHLOA TEXANA (Buckley) R. D. Webster - Texas Millet. 2n = 36, 54.

Fields, waste places. From farther west [PANICUM TEXANUM Buckley]

VAHLODEA

Vahlodea atropurpurea (Wahlenberg) Fries ex Hartman - Mountain Hairgrass. 2n = 14.

High altitudes. [Deschampsia atropurpurea (Wahlenberg) Scheele]

VULPIA

VULPIA BROMOIDES (Linnaeus) S. F. Gray - . 2n = 14.

Waste places. From Europe. [FESTUCA DERTONENSIS (Allioni) Ascherson & Graebner; V. DERTONENSIS (Allioni) Gola]

VULPIA MYUROS (Linnaeus) K. C. Gmelin - Rat-tail Fescue. 2n = 14, 28, 42.

Dry fields, waste places. From Europe. [FESTUCA MEGALURA Nuttall; FESTUCA MYUROS Linnaeus]

Vulpia octoflora (Walter) Rydberg var. octoflora - Six-weeks Fescue. 2n = 14.

Marsh borders, sandy waste ground.

Vulpia octoflora (Walter) Rydberg var. glauca (Nuttall) Fernald - . 2n = 14.

Dry ledges, sandy soil. [V. octoflora var. tenella (Willdenow) Fernald; Festuca octoflora Walter var. glauca (Nuttall) Fernald; Festuca octoflora var. tenella (Willdenow) Fernald]

ZEA

ZEA MAYS Linnaeus - Corn. 2n = 20, 21, 22.

Waste places, roadsides, margins of cultivated fields. From Mexico.

ZIZANIA

Zizania aquatica Linnaeus - Annual Wild Rice. 2n = 30.

Mud flats along rivers, often tidal.

Zizania palustris Linnaeus - .

Shallow, quiet waters. [Z. aquatica Linnaeus var. angustifolia Hitchcock]