290 | Cornaceae 
winged, each bearing a row of barbed prickles; oil-tubes | in each interval, 2 on the 
commissure side. (Daukos was the Greek name for the carrot.) 
A.  Leaf-segments narrowly linear. W. E. 
D. pusillus Michx. (Wild Carrot) 
AA.  Leaf-segments lanceolate. W. 
D. carota L. (Cultivated Carrot) 
CORNACEAE Dogwood Family 
Herbs or shrubs or trees. Leaves opposite (ours), mostly entire, pinnately veined; 
stipules none. Flowers in cymes or heads or ament-like clusters which are often involu- 
crate. Calyx-limb 4—5-toothed or -lobed. Petals none or distinct, 4-5, alternate 
with the calyx-lobes, on the calyx. Stamens 4(ours)—5, on the calyx, alternate with 
the petals; anthers introrse. Ovary inferior, 1—2-celled; ovules 1—2, styles 1—2. 
Fruit fleshy, a drupelet or a berry. 
A. Leaves deciduous, herbaceous; flowers perfect; petals present; calyx 4-toothed; 
fruit a drupe. Cornus (p. 290) 
AA. Leaves evergreen, coriaceous; flowers dioicous; petals none; calyx 2—4-lobed 
or entire; fruit a berry. GarryYA (p. 290) 
CORNUS DOGWOOD 
Herbs or shrubs or trees. Leaves deciduous, entire (ours), sometimes apparently 
whorled. Flowers perfect, small, white or greenish or yellowish or purple, in cymes or 
heads, often involucrate with large white bracts. Calyx-tube top-shaped or campanu- 
late; calyx-limb minutely 4-toothed. Petals 4, oblong, spreading. Ovary 2-celled; 
style 1. Drupe globose to oblong. Seeds 2. (L. cornu=—=a horn; referring to the hard- 
ness of the wood.) 
A. Flowers in loose cymes, white or cream-colored, not involucrate; fruit white or blue. 
B. Leaves 5—10 cm. long; calyx-teeth prominent. 
C. Cyme-branches hairy; leaves loosely pubescent beneath. W. C. (Cu pac 
bescens. ) C. occidentalis Cov. (Western Dogwood) 
CC. Cyme-branches glabrous; leaves appressed-pubescent beneath. C. E. (CG 
baileyi for our region; C. instoloneus.) 
C. stolonifera Michx. (Red-osier Dogwood) 
BB. Leaves 2.55 cm. long, acute at both ends; calyx-teeth minute. U. 
C. glabrata Benth. 
AA. Flowers in sessile umbels, yellowish, involucrate; involucre-bracts 4, 5—7 mm. 
long; fruit blue-black; shrub 3—4.5 m. high. U. 
C. sessilis Torr. 
AAA. Flowers in dense heads, greenish, involucrate; involucre-bracts 4._6. | 2a7es 
cm. long; fruit red. 
D. Plant 8—20 cm. high, herbaceous; involucre-bracts |—-2 cm. long, W.C. E. 
C. canadensis L. (Bunch-berry) ‘ 
DD. Plant 10—20 m. high, shrub or tree; involucre-bracts 48 cm. long. W.C. 
C. nuttallii Aud. (Flowering Dogwood) 
GARRYA FEVER-BUSH 
Shrubs; bark greenish; branchlets 4-angled. Leaves entire or undulate, coriaceous, 
evergreen. Flowers dioicous, in ament-like clusters; clusters axillary, pendulous, solitary 
or in 3’s between the bracts; bracts in 4 rows, connate. Petals none. Calyx of the 

