Fimbristylis Autumnalis Roemer & Schultes p. 172

OverviewVersionsHelp

Here you can see all page revisions and compare the changes have been made in each revision. Left column shows the page title and transcription in the selected revision, right column shows what have been changed. Unchanged text is highlighted in white, deleted text is highlighted in red, and inserted text is highlighted in green color.

5 revisions
EricRoscoe at Aug 20, 2022 11:52 AM

Fimbristylis Autumnalis Roemer & Schultes p. 172

[S2 Style 3-cleft, achenium triangular]

[42] 48 Fimbristylis Autumnalis Roemer & Schultes.

Syn. Scirpus autumnalis Linn. [Trich] S. mucronatus Michx. F. Michauxi, Pers. Trichelostylis mucronatus Torr.

Leaves flat, very acute, smooth; umbel compound or decompound, spreading; involucre 2 or 3-leaved, shorter than the umbel; spikes oblong, acute, single or 2 or three together, mostly at the extremity of the rays; scales ovate-lanceolate mucronate, the points a little spreading; stamens 2 or 3; style 3-cleft separating with the bulbous base; achenium broadly obovate-triangular, smooth or minutely serracose, convex on the sides, the angles margined. Culms 4 to 12 inches high, flar, often diffusely spreading. Flowers in August.

Muddy ground, and bays. Illinois, Indiana, Ohio, and Michigan.

Plate I fig 16. a, Head of spikes; b, a spike; c, the scale; d achenium and pistil.

Extends east to Massaachusetts, and south to Florida.

Fla

Fimbristylis Autumnalis Roemer & Schultes p. 172

[S2 Style 3-cleft, achenium triangular]

[42] 48 Fimbristylis Autumnalis Roemer & Schultes.

Syn. Scirpus autumnalis Linn. [Trich] S. mucronatus Michx. F. Michauxi, Pers. Trichelostylis mucronatus Torr.

Leaves flat, very acute, smooth; umbel compound or decompound, spreading; involucre 2 or 3-leaved, shorter than the umbel; spikes oblong, acute, single or 2 or three together, mostly at the extremity of the rays; scales ovate-lanceolate mucronate, the points a little spreading; stamens 2 or 3; style 3-cleft separating with the bulbous base; achenium broadly obovate-triangular, smooth or minutely serracose, convex on the sides, the angles margined. Culms 4 to 12 inches high, flar, often diffusely spreading. Flowers in August.

Muddy ground, and bays. Illinois, Indiana, Ohio, and Michigan.

Plate I fig 16. a, Head of spikes; b, a spike; c, the scale; d achenium and pistil.