. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 322 CYPERACEAE. Vol. 6. Fimbristylis geminata (Nees) Kunth. Low Fimbristylis. Fig. 789. Trichelostylis geminata Nees, in Mart. Fl. Bras. 21: 80. 1842. Steud. Syn. PI. Cyp. m. 1855. F. Frankii brachyactis Fernald, Rhodora 11: 180, 1909. Annual, tufted, glabrous, low, 6'-8' high or less. Culms very slender, compressed; basal leaves about i" wid
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 322 CYPERACEAE. Vol. 6. Fimbristylis geminata (Nees) Kunth. Low Fimbristylis. Fig. 789. Trichelostylis geminata Nees, in Mart. Fl. Bras. 21: 80. 1842. Steud. Syn. PI. Cyp. m. 1855. F. Frankii brachyactis Fernald, Rhodora 11: 180, 1909. Annual, tufted, glabrous, low, 6'-8' high or less. Culms very slender, compressed; basal leaves about i" wide, usually shorter than the culms, sometimes equalling them; involucral bracts 2 or 3, not longer than the inflorescence; umbel simple or somewhat compound; spikelets, or most of them, sessile, capitate, or some short- peduncled, or in capitate clusters at the base of the culms, ovoid or oval, 3" long or less; scales dull, green-brown, ovate, mucronulate; style- branches 3; style smooth; achenes rather larger than in F. autumnalis, distinctly reticulated, some- times granular-tuberculate. â In moist soil, Maine to Ontario, Tennessee and Louisiana. July-Oct. 7. Fimbristylis autumnalis (L.) R. & S. Slender Fimbristylis. Fig. 790. Scirpus autumnalis L. Mant. 2: 180. 1771. Fimbristylis autumnalis R. & S. Syst. 2: 97. 1817. Annual, roots fibrous, culms very slender, densely tufted, flat, roughish on the edges or smooth, erect, ascending or spreading, i'-i5' long, usually much exceeding the leaves. Leaves narrowly linear, flat, \"-\" wide, long-acuminate, glabrous, those of the involucre 2-3, usually all shorter than the umbel; umbel compound or decompound (in dwarf forms sometimes reduced to a solitary spikelet), the primary rays \'-\V long, the secondary filiform; spikelets linear-oblong, acute, 2"-$" long, i" thick or less, several-many-flowered; scales ovate-lanceo- late, appressed, subacute, strongly mucronate, green- ish-brown, the midvein
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