288 ALLIACEAE 
Famity 4. ALLIACEAE — Onion Faminy 
Perennial herbs with coated bulbs or corms. Leaves basal or mainly 
sepals and 3 petals, persistent. od of 6 stam Gyno 
3-carpellary. Ovary superior. Styles united. Fruit a TUE, Edd 
—About 20 genera and 360 species, widely distributed. 
bros or seeds 1 or 2 in each cavity: plant with an onion-like odor. 
D. a in each cavity: scape or stem accompanied by 
1. ALLIUM. 
Ov Sir "i in each cavity : scape not accompanied by leaves. 2, VALIDALLIUM. 
Ovules or a several in each cavity: plant destitute of an 
onion-like odor. 3. NOTHOSCORDUM. 
1. ALLIUM [Tourn.] L. Alliaceous herbs. Leaf-blades narrow, soft, 
flat, hollow or keeled. Perianth white, pink, or purple in our specie tamens 
with nearly equal filaments or pane oe —A bout a species of 
wide geographic distribution ON GAR 
pons with membranous-scaly outer coats. 
bel horizontal or nodding: plant scapose: sepals and petals very broad. 
erianth campanulate, mostly white or pink; sepals 
acute or abruptly pointed. 1. A. cernuum. 
pm ur oe mostly deep-purple; sepals obtuse 
p no 2. A. allegheniense. 
pni erect plant caulescent : sepals and petals relatively 
3. A. vineale. 
Bulb with "übrousimatted outer coats. 
Flowers replaced, at least in part, by bulblet 4. A. canadense. 
Flowers neither replaced by, nor oce by bulblets. 
vary and capsule not crested : sepals and petals obtuse. 
Umbel opi; the pedicels elongate: petals over 4.5 
mm. ne 5. A. microscordion. 
Umbel mpact or head-like, the pedicels short: 
petal E ese than 4.5 mm. long. 6. A. arenicola. 
Ovary and capsule crested: AE and petals acumi- 
nate. T. A. Cuthbertii. 
1. A. cernuum o Scape 2-6 dm. tall, 2-edged: umbel nodding; pedicels 
becoming 2-3 cm. long: sepals acute: pons oval or broadly ovate, rounded or 
icd de at pa Mm 4.5—6 mm 
ong: eapsu — (WILD 
d ens Ly E hillsides 
and prairies, various provinces 
Coastal Plain, S. C. to Tex., Sc iu 
N. Y.—Sum 
2. A. TED nde Small Scape 3—5 
dm. tal, becoming 2-edged: umbel 
nodding: pedicels 1.5-2.6 em. long: sepals 
obtuse notched at the apex: pe 
(MO UNTAIN-RAMP.) —Cliffs and rocky soil, 
Blue Ridge to oe Plateau, Ga. 
to Tenn. and Va.—Sum 
A. e L. Stem 3-9 dm. tall: leaves terete: umbel erect, i flowers 
who oy o or "peti eee with bulblets: laa green, pink, o r purple: 
sepals narrowly ovate to elliptic-ovate, 4-5 mm. long: petals slightly longer 
than the pr e pons opposite the Pues with 2 lateral appendages.— 
