RUSH FAMILY 



359 



21. Juncus falcatus Meyer. 



Sickle-leafed Rush. Fig-. 875. 



Juncits falcatus Meyer, Syn. Luzul. 34. 1823. 



Juncus menziesii R. Br.; Hook. Fl. Bor. Am. 2: 192. 1838. 



Stems 10-20 cm. or rarely 30 cm. high, arising from 

 slender stoloniferous rootstocks. Basal leaves flat and 

 grass-like, the union of blade and sheath ill-defined, usually 

 without a trace of auricle, falcate, two-thirds as long to 

 longer than the stems, 1.5-3 mm. wide ; stem leaves solitary, 

 near the middle of the stem, 3^ cm. long ; heads solitary 

 or sometimes 2 or 3, 5-25-flo\vered ; lowest bracts 8-20 mm. 

 long ; perianth 5-6 mm. long ; segments equal, dark brown 

 or with a greenish midrib, finely roughened, the outer 

 shortly acuminate, the inner obtuse ; stamens half the 

 length of the perianth ; anthers much longer than the fila- 

 ments ; capsule obovoid, equalling or nearly equalling the 

 perianth, dark brown, rounded or depressed at the apex ; 

 seeds oblong-ovate, 0.7 mm. long, obtuse, longitudinally 

 reticulate. 



In sands or borders of marshes along the coast; Humid Transi- 

 tion Zone: British Columbia to Monterey, California. Also in modi- 

 fied forms to Unalaska, Japan and Tasmania. Type locality; 

 Monterey, California. 



22. Juncus regelii Buch. 

 Regel's Rush. Fig. 876. 



Juncus regelii Buch. Engler Bot. Jahrb. 12: 414. 1890. 



Stems erect, slender. 15-50 cm. high, 12 mm. in 

 diameter, from stoloniferous rootstocks. Basal leaves 

 grass-like, the junction of the blade and sheath incon- 

 spicuous, the auricles rudimentary or wanting ; blades 

 10-15 cm. long, 3-4 mm. wide; stem leaves 1-3, usually 

 with very minute auricles ; heads 1-3 or rarely more, 

 few-many-flowered, 8-15 mm. broad; perianth 4-5 

 mm. long, minutely roughened ; the outer segments 

 ovate-lanceolate, short acuminate, with very narrow 

 scarious margins, the inner ovate, obtuse, with 

 broad scarious margins ; stamens 6, about two-thirds 

 the length of the segments ; anthers equalling 

 the filaments ; capsule ovoid, scarcely equalling the 

 segments, obttise and slightly depressed, mucronate, 

 brown, 3-celled ; seeds linear with a long white appen- 

 dage at each end. 



Wet places, Canadian Zone; Cascade Mountains, Washing- 

 ton to Montana and Utah. Type locality: Washington, but 

 locality not designated. 



23. Juncus covillei Piper. 

 Coville's Rush. Fig. 877. 



Juncus falcatus paniculafus Engelm. Trans. St. Louis Acad. 2: 495. 



1868. 

 Juncus covillei Piper, Contr. Nat. Herb. 11: 182. 1906. 



Stems from slender stoloniferous rootstocks, 8-30 cm. high, 

 slender, pale green. Basal leaves grass-like, the junction of 

 sheath and blade inconspicuous, without auricles, about two- 

 thirds as long to longer than the stems, 1.5-3 mm. wide; stem 

 leaves 1 or rarely 2, usually with a small auricle ; heads panicu- 

 late, 2-6. rarely solitary, lowest bract foliaceous, 2-5 cm. long, or 

 commonly the sheath brownish, broadly scarious-margined and 

 bladeless or with a green foliaceous blade 10-25 mm. long ; 

 perianth 4 mm. long, minutely roughened ; segments oblong- 

 ovate, obtuse, about equal, the outer minutely mucronate, dark 

 brown throughout or the midrib green ; stamens scarcely two- 

 thirds as long as the segments ; anthers longer than the fila- 

 ments ; capsule oblong-ovoid, equalling or distinctly longer than 

 the perianth, obtuse and slightly depressed, minutely mucronate, 

 3-celled ; seeds reticulate, usually truncate at apex. 



Wet places, about springs and lakes. Transition Zone; Whatcom and 

 Challam Counties, Washington, south to Mendocino and Lake Counties, 

 California. Type locality ; Mendocino County, California. 



