956 | NYSSACEAE 
Styles distinct: ovule with a ventral raphe: leaves mostly 
alternate ; blades lobed or eo nd. . Fam. 2. HEDERACEAE. 
Fruit dry, a cr emocarp: gynoecium 2-carpellary: stigma 
terminal. "ain. 3. AMMIACEAE. 
FaxiLy d. NYSSACHAK —Docwoop FAMILY 
Shrubs or trees, or rarely partly herbaceous plants. Leaves opposite 
or alternate: blades usually entire. Flowers perfect or unisexual, borne 
in naked or involuerate open or congested cymes. Calyx of mostly 4 or 5 
sepals. Corolla of 4 or 5, or rarely more, petals, or wanting. Androecium 
it o 2—4 
S im o 
united earpels. Styles united. Fruit mostly a drupe.—Sixteen genera 
and about 90 species, most abundant 1n the ios: M, 
cb dioecious or polygamo-dioecious; stigmas lateral: drupe 
celled. 
lo NYSSA. 
Flow ers perfect : stigmas terminal: drupe 2-celled, 2-seeded. 
Flowers in open cymes, not subtended by an involucre: fruit 
surmounted by the style, globular, not re 2. SVIDA. 
m in a head, subtended by a large involucre: fruit sur- 
ed by the calyx, elongate, pt ed. 3. CYNOXYLON. 
1. NYSSA L. Shrubs or trees, with terete branches. Leaves alter- 
nate, deciduous. Flowers polygamo-dioecious, green, the staminate with 5-sev- 
eral sepals and 5—many stamens, the pistillate with 5 sepals and a 1-eelled pistil. 
Drupe somewhat elongate.—A bout 8 species, North American and Asiatic.—Spr. 
Pistillate flowers 2 or more together: drupe small (1-1.5 cm.), black, beneath a 
bloom ; stone smooth or bluntly ridged. I. MULTIFLORAE. 
Pistillate flowers solitary: drupe large (3-4 cm.), purple to red; 
Stone winged or sharply ridged. II. UÜNIFLORAE. 
: ULTI eru 
Leaf-blades obovate to ovate: stone n early ribles 
Leaí- HM spatulate, oblanceolate or eDi: tone ‘ribbed, 
Drupe oval to ellipsoid: leaf-blades mostly are E long. 
ine globular: leaf-blades mostly 2.5-7 c 
7. sylvatica. 
QA 
. N. biflora. 
N. ursina. 
Q2to 
UNIFLORAE 
Pistillate flowers short-pedicelled : drupe red ; stone winged. 
Leaf-blades narrow, acuminate: shrub w ith nde. onda stems 
and erect branches. 4. N. acuminata. 
Leaf-blades br ae obtuse or abruptly pointed: tree with spread- 
ing branche 5. N. Ogeche. 
Pistillate fio eee "long- pedicelled: drupe purple or blue; stone 
sharp-ridged. 6. N. aquatica. 
Sylvatica Marsh. Tree becoming 50 tall, with D -checked 
1. N. 
bark: leaf- ur us or obox rate, sometimes pubescent 1 ‘beneath, 5-15 em. long: 
sto 
ick ; , 
us ides. various oe Fla. to Tex., 
, Miel and Me.—The wood of e and 
the next Chae. species is used for 
ing ous utensils. It is an Sea or 
nd ns and Soft, but tough. 
2. N. bifora Walt. Tree becoming 40 m. tall, 
with os ridged bark: leaf-blades 
Pur ate, spatulate, or elliptie, mostly 
2—12 c A ng: drupe oval or ellipsoid, 10- 
13 mm 6 eng; pos ar 8-10 mm. lon 
or sometimes lon or rarely Buc e 
