176 KEY AND FLORA 
I. CORNUS L. 
Trees, shrubs, or herbs. Leaves usually opposite. Flowers 
in forking cymes, or in umbels or heads, each with an invo- 
Incre, white or yellow. Calyx teeth 4. Petals 4. Stamens 4. 
Ovary 2-celled. Drupe ovoidal or ellipsoidal, the stone 
2-celled. 
1. C. canadensis L. Dwarr Cornet, BuNncHBERRY, PUDDING 
Berry. Stem herbaceous, excepting at the base, low (3-9 in.), and 
unbranched. Rootstock rather woody, slender, and creeping. Leaves 
in what appears to be a whorl of 4 or 6 at the summit of the stem, 
sessile, evate, oval or nearly so, acute at each end, entire, smooth or 
very slightly downy. Flower stalk slender, 3-1} in. long, with a 
whorl of 4-6 large, white, petal-lke bracts, forming an involucre 
round the small head of greenish flowers; the head with its invo- 
lucre appearing to others than botanists like a single flower. Fruit 
nearly spherical, scarlet, about 1 in. in diameter, in a close cluster, 
sweet and eatable, though rather insipid. Damp woods, especially N. 
2. C. florida L. Frowertinc DoGwoop. Small trees; bark rough, 
black. Leaves opposite, petioled, ovate to ovate-lanceolate, entire, 
green and shining above, paler and often downy beneath. Flowers 
small, greenish, in heads which are subtended by + large, white or 
pink, inversely heart-shaped bracts, thickened and greenish at the 
notch. Fruit ovoid, bright red. In rich woods 8S. and E.* 
3. C. circinata L’Her. Rounp-Leavep Doawoop. A shrub 3-10 
ft. high, with green, warty twigs. Leaves petioled, roundish-oval, 
contracted to an abrupt point, entire, usually rounded or truncate 
at the base, pale and soft-downy beneath. Flowers in flat cymes, 
11-2) in. in diameter, Fruit globose, light blue, + in. or less in 
diameter, Thickets often in rocky soil N. and along Allegheny 
Mountains. 
4. C. Amomum Mill. Kinntxinnix. A shrub 6-10 ft. high; twigs 
purple, downy when young. Leaves opposite, petioled, ovate or ob- 
long, taper-pointed, smooth above, silky-downy helow. Flowers white, 
in rather close cymes. Fruit blue, stone somewhat oblique. In low 
woods.* 
5. C. asperifolia Michx. Roven-Leavep Dogwoop. <A shrub 
8-12 ft. high; twigs slender, reddish-brown, often warty, densely 
downy when young. Leaves opposite, short-petioled, lance-ovate or 
oblong, acute or taper-pointed, with rough down above, downy-woolly 
below. Cymes flat, spreading, the peduncle and branches covered 
with rough down. Flowers white. Fruit white or pale blue, stone 
depressed-globose. In dry woods.* 
