SAGITTARIA JUNCACE 679 
JUNCOIDES 
pl. 1. Glabrous or nearly so, terrestrial or partly submerged: scapes weak, 
ascending, 8-20 inches high: leaves sagittate, long-petioled, the blade 3-10 
inches long, acute, the lobes divergent, acute or acuminate: bracts lanceo- 
late, acute, 4-10 lines long, scarious-margined and obscurely veined, often 
reflexed : 1-3 lower verticils pistillate: fruiting heads 4-8 lines in diameter: 
achenes a line long, tumid, winged on both margins. Along streams and 
borders of lakes, Brit. Columbia to California and Minnesota. 
Var. stricta J. G. Smith Ann. Rep. Mo, Bot. Gard. vi, 8. Slender, 
erect, 12-16 inches high: blade of leaf 1-3 inches long: scape simple: bracts 
ovate, acute, 3-4 lines long: fruiting heads 6 lines in diameter: achenes 
smooth or laterally unicostate. Boggy meadows and slow streams, Falcon 
Valley, Washington. | 
$S. cuneata Sheldon Bull. Torr. Bot. Club xx, 289, pl. 159. Sub- 
merged aquatic, rooting in the mud: leaves sagittate, long-petioled, the 
blade floating, 3-4 inches long, with linear lobes: scapes simple, slender, 
terete, 2-3 feet long, bearing verticils of flowers at the surface of the water: 
bracts ovate-lanceolate, acute, 2-3 lines long: stamens few: fruiting heads 
small, about 6 lines in diameter: achenes 44 line long. In ponds or on 
margins of lakes, Brit. Columbia to Washington and Minnesota. 
S. esculenta. S. variabilis Engelm. in part. (wapatoo). _Glabrous 
_ or nearly so: scapes simple or branched, 1-3 feet high: leaves large, the 
blade 4-12 inches long, obtuse or abruptly acute, the lobes from lanceolate 
to broadly ovate, acuminate, divaricate: bracts scarious, 3-5 lines long, 
ovate, obtuse: achenes about 3 lines long, with rather tumid dorsal wing 
and long horizontal beak. In shallow lakes, Brit. Columbia to California : 
this species was very abundant along the lower Columbia river, but is now 
almort exterminated by the Carp. 
OrpER CVII JUNCACE Vent. Tabl. ii, 150. (1799.) 
Mostly perennial herbs, cespitose or with creeping rhizomes, 
terete hollow or spongy usually simple stems, alternate sheath- 
ing flat, channelled or terete leaves and small usually sessile 
scarious bracteolate flowers in panicles, cymes, subumbellate 
clusters or spicate heads. Flowers perfect, with a regular per- 
sistent perianth of 6 similar te pron segments in two rows, 
3-6 nearly hypogynous included stamens with persistent filiform 
filaments and 2-celled anthers, and @ superior 3-celled ovary, 
or sometimes one-celled with 3 parietal placentw, with three or 
many anatropous ovules. Styles very short, with three filiform 
stigmas. Capsule loculicidally 3-valved. Seeds with mem- 
branous or cellular often caudate or 24 pes ire testa. Em- 
bryo minute, enclosed within the base of fleshy albumen. 
1 Juncoides Stems leafy, hollow: leaves flat and soft, often villous: 
capsule 1-celled, with 3 parietal 1-seeded placente. 
2 Juncus Stems usually with spongy pith: leaves terete or flat, not 
villous. . 
1 JUNCOIDES Adans. Fam. Pl. ii, 47. (1763.) 
LUZULA DC. Fl. Fr. itis 47, (1805.) 
Perennial herbs with simple hollow leafy stems, grass-like flat 
leaves and numerous Small flowers in loose involucrate umbels 
or panicles, or more or less densely clustered or spicate.. Floral 
