OF ARTS AND SCIENCES. 979 
few-flowered: bracts ovate-lanceolate, usually purplish: perianth 
adnate at base ;, segments broad, greenish, 4 or 5 lines long, the inner 
abruptly contracted to a broad claw; gland obcordate: styles about 2 
lines long or more: seeds oblong, angular, not margined, 2 lines long. 
— Helonias glaberrima, Ker, Bot. Mag. t. 1680. Z. glaucus, Nutt. ; 
Lindl. Bot. Reg. 24, t. 67. Z chloranthus, Richards. Z. commutatus, 
Schult. Anticlea glauca, Kunth. From Canada (New Brunswick) 
and Illinois to Oregon and Behring Straits ; southward in the moun- 
tains to New Mexico and Nevada. 
3. Z. FRemMontTui, Torr. Very similar, but less glaucous: leaves 
an inch broad or less: bracts mostly green: perianth free from the 
ovary, 3 to 7 lines long; gland irregular and notched on its upper 
margin: styles short (about 1 line long): capsule longer (6 to 12 
lines): seeds shorter.— Pacif. R. Rep. 7. 20 (as Z. Douglasii). 
Anticlea Fremontii, Torr. in same, 4. 144. California (Coast Ranges, 
San Diego to Humboldt County). 
4. Z. Nurrariit, Gray. Stem stout, 2 feet high: leaves 3 to 
8 lines broad: racemes simple or rarely panicled, rather densely 
flowered, with narrow membranous bracts: perianth free from the 
ovary; segments 3 to 5 lines long, not unguiculate, with an ill-defined 
gland at base: stamens free: capsule half an inch long: seeds large 
(3 lines long), usually flattened. — Manual, 525. Amianthium 
Nuttallii, Gray, Rev. Melanth. 123, excl. var. 8. Amiantanthus 
Vuttallii, Kunth. Texas to Colorado. 
+ + Flowers smaller, polygamous. 
5. Z. VENENOSUS. Stem slender, } to 2 feet high: leaves rarely 
over 2 or 3 lines broad, scabrous, the cauline not sheathing: raceme 
simple, short, with narrow scarious bracts: perianth free from the 
ovary ; segments triangular-ovate to elliptical, obtuse or rarely acutish, 
2 or 3 lines long, all abruptly contracted to a short glandular claw, 
the blade rounded or subcordate at base; gland extending slightly 
above the claw with a well-defined irregular margin: stamens some- 
what adnate to the claw: pedicels suberect in fruit: capsule 4 to 6 
lines long: seeds 1} to 2} lines long. — California (Monterey and 
Mariposa Counties) to British Columbia and east to Utah and Idaho. 
Bulb poisonous. The Coast Range form is usually stouter, with a 
larger occasionally compound raceme. Hitherto referred to the last 
species. 
6. Z. PANICULATUS, Watson. Very similar: usually stout: leaves 
3 to § lines broad, usually all sheathing: raceme compound: perianth- 
