

 Juncus. JUNCACE^E. 207 



anth : seeds ovate, obtuse, very finely striate and cross-lined. Reichenb. Icon. Fl. 

 Germ, ix, t. 395 ; Eugelm. 1. c. 451. 



A common species, found in nearly all countries, very variable in size ; from Oregon to Lower 

 California, on both sides of the Sierra Nevada. 



12. J. triformis, Engelm. 1. c. 492. Stem almost none, bearing several erect 

 filiform scape-like peduncles 2 to 4 inches high : leaves an inch long or less, filiform, 

 channelled, flat above : flowers usually 3 to 7 in a small head : perianth brownish, 

 1 to 1 i lines long ; segments narrowly lanceolate, acuminate, nearly equal, a little 

 exceeding the 3 stamens and the ovate obtuse apiculate capsule : style exserted, with 

 elongated stigmas : seeds ovate, obtuse, faintly few-ribbed and cross-lined. 



Var. brachystylus, Engelm. 1. c. Smaller (1 or 2 inches high), the peduncles 

 1 - 3-flowered : stamens half the length of the perianth, the oblong anthers shorter 

 than the filament : style and stigmas short, included. 



Var. uniflorus, Engelm. 1. c. Very small (a half to an inch high), the solitary 

 flowers mostly dimerous. J. saginoides, Engelm. 1. c. 436. 



In the mountains from Yosemite Valley and Mendocino County to Oregon ; Clover Mountains, 

 Nevada, at 9,000 feet altitude, IVatsou. 



13. J. Kelloggii, Eugelm. 1. c. 494. Stem very short and very much branched, 

 forming a small dense sessile globose cluster \ to inch broad, with a few exserted 

 1-2-ttowered peduncles: leaves 6 to 10 lines long, filiform, channelled above: 

 perianth-segments pale green, mostly scarious, 1| lines long, lanceolate, acuminate, 

 exceeding the stamens and thin capsule : seeds more strongly ribbed. 



Sandy soil, San Francisco (Kellogg); April, in flower and fruit. 



H H Taller perennials : stems simple: flowers hexandrous. 

 H- Stems naked : flowers solitary in a diffuse (rarely compact) panicle. 



14. J. tennis, Willd. Stems slender, erect, 1 or 2 feet high, leafy at base : 

 leaves very narrow, flat or more or less channelled or involute, shorter than the stem : 

 spathe exceeding the inflorescence : panicle usually loose and spreading : perianth- 

 segments pale, narrowly lanceolate, acuminate, 1 1 to 2 lines long, spreading in fruit 

 and equalling or usually exceeding the ovate retuse greenish capsule : seeds white- 

 appendaged at each end, very finely ribbed and cross-lined. Reichenb. 1. c., t. 398. 



Var. congestus, Engelm. 1. c. 450. Panicle contracted and somewhat capitate, 

 3 to 9 lines broad : perianth and capsule darker. 



A very common species in the Atlantic States, ranging across the continent and to Mexico and 

 the West Indies, and also found in western Europe. On the Pacific Coast it is found from Oregon 

 to Southern California (Santa Inez Mountains, Mrs. Elwood Coo])cr), though the variety, which 

 is peculiar, is perhaps the more common form, at least near the coast. 



H- -H- Stems more or less leafy ; the leaves flat and yrass-Uke (not equitant) : 



Jiotcers clustered. 



15. J. falcatus, Meyer. Stems low, rarely a foot high, from slender stolonifer- 

 ous rootstocks : leaves usually equalling or exceeding the steins, 1 to H lines wide, 

 the open somewhat oblique sheaths without ligules : heads mostly solitary, some- 

 times 2 or 3 : spathe short : perianth-segments dark brown or with a green midvein, 

 2 \ to 3 lines long, ovate, the outer shortly acuminate, the inner obtuse, roughish : 

 capsule oblong, retuse, apiculate, equalling the perianth : seeds oblong-ovate, obtuse, 

 a third of a line long, with loose pale testa longitudinally reticulate. Engelm. 1. c. 

 452 and 495. J. Memiesii, R. Br. in Hook. Fl. Bor.-Am. ii. 192. 



Var. paniculatus, Engelm. 1. c. 495. Heads smaller (about 5-ttowered), in a 

 simple or somewhat compound panicle. 



In drift sand on Lone Mountain, near San Francisco, and northward in the Coast Ranges to 

 Oregon and Unalaschka ; the variety in sphagnous swamps near Mendocino City, Bolander. In 

 Central Oregon a taller slender form occurs, 1 or 2 feet high, with a loose panicle 3 to 5 inches 

 long, Wood. 



