42 NORTH AMERICAN FLORA [VoLumME 17 
mm. long; stamens 3; anthers oval, large; pistil of 3 united carpels; fruit subglobose or 
somewhat obovoid, about 2 mm. in diameter, mostly thicker than long, appearing 3-winged 
when dry by the contracting of the carpels; carpels coriaceous, rounded and 3-ribbed on 
the back ; axis broadly 3-winged. 
TYPE LOCALITY: Surco, Peru. 
DISTRIBUTION : Maryland to Florida and Louisiana ; middle and southern California ; Mexico ; 
also in South America, 
ILLUSTRATIONS : Britt. & Brown, Ill. Fl. f. 85; Mem. Torrey Club 3: fi. 27. 
3. Triglochin maritima L. Sp. Pl. 338. 1753. 
Triglochin elaia Nutt. Gen. 1: 237. 1818. 
Triglochin maritima elata A, Gray, Man. ed. 2. 437. 1856. 
Triglochin maritima debilis M. E. Jones, Proc. Calif. Acad. II. 5: 723. 1895. 
Triglochin concinna Davy, Erythea 3: 117. 1895. 
Rootstock without stolons, often subligneous, the caudex thick, mostly covered with 
the sheaths of old leaves. Scape stout, nearly terete, 0.1-0.7 m. high; leaves half-cylindric, 
usually about 2 mm. wide; raceme elongate, often 0.4 m. long or more; pedicels decur- 
rent, 2-3 mm. long, slightly longer in fruit; perianth-segments 6, each subtending a large 
sessile anther; pistil of 6 united carpels; fruit oblong or ovoid, 5-6 mm. long, 2-4 mm. 
thick, obtuse at the base, with 6 recurved tips at the summit; carpels 3-angled, flat or 
slightly grooved on the back, or the dorsal edges curving upward and winged, separating 
at maturity from the hexagonal axis. 
TYPE LOCALITY : Europe. 
DISTRIBUTION : Labrador to Alaska, south to New Jersey, western New York, Ohio, Wisconsin, 
Nebraska, New Mexico, California, northern Mexico, and Lower California ; also in "Burope and 
Asia. 
ILLUSTRATIONS : Britt. & Brown, Ill. Fl. f. 186; Mem. Torrey Club 3: #1. 22; Fl. Dan. 2: pi. 
306 ; Gaertn. Fruct. 2. 84; Benth. tl. Handb. Brit. Fl. 2: /. 964; Sv. Bot. 2: ol. 1i2; Coste, Fl. 
Fr. "f Ce ee FA. Pl. Great Brit. 3: pl. 233, J.7; Bild. Nord. Fl. pl. 486, B ; Starm, Deuts. 
Fl. 78: p72. 
2. SCHEUCHZERIA I,. Sp. Pl. 338. 1753. 
Rush-like bog perennials with creeping rootstocks, and erect leafy stems, the leaves 
elongate, half-rounded below and flat above, striate, furnished with a pore at the apex 
and a membranous ligulate sheath at the base. Flowers small, racemose, bracted. Perianth 
6-parted, regularly 2-serial, persistent. Stamens 6, inserted at the base of the perianth- 
segments; filaments elongate; anthers linear, basifixed, extrorse. Ovaries 3 or rarely 
4-6, distinct or connate at the base, 1-celled, each cell with 1 to 3 collateral ovules. Stig- 
mas sessile, papillose or slightly fimbriate. Carpels divergent, inflated, coriaceous, 1- or 
2-seeded, follicle-like, laterally dehiscent. Seeds straight or slightly curved, without 
endosperm. 
Type species, Scheuchzeria palustris L. 
1. Scheuchzeria palustris L. Sp. Pl. 338. 1753. 
Leaves 10-40 cm. long, the upper ones reduced to bracts; stems solitary or several, 
usually clothed at the base with the remains of old leaves, 10-40 cm. tall; sheaths of the 
basal leaves often 10 cm. long with a ligule 12 mm. long; pedicels spreading in fruit; 
flowers white, few, in a lax raceme; perianth-segments oblong, membranous, 1-nerved, 
3 mm. long, the inner ones the narrower; lower fruiting pedicels 5-25 mm. long; follicles 
4-8 mm. long, slightly if at all united at the base; seeds oval, brown, with a very hard 
coat. 
TYPE LOCALITY: Lapland. 
DISTRIBUTION: Labrador to Alaska; New Jersey, Pennsylvania, Wisconsin, Montana, and Cali- 
fornia; also in northern Europe and Asia. 
ILLUSTRATIONS: Britt. & Brown, Ill. Fl. f. 187; Mem. Torrey Club 3: #/. 23; Benth. Ill. 
Handb., Brit. Fl. 2: f. 962; Fl. Dan. 1: £1. 76; Coste, Fl. Fr. f. 3697; Pratt, Fl. Pl. Great Brit. 
3: pl. 233, f.8; Baxter, Brit. Bot. 6: p/. 507; L. Fl. Lapp. pl. 10, 7.1; Schkuhbr, Handb. p/. 100; 
Sturm, Deuts. Fl. 78: pt. 4. 
