168 COOP 
Exotic. 
Purpw'reus, (commun morning glory. b. p. J. @) pubescent; leaves 
cordate, entire; peduncles 2 to 5 flowered; pedicels nodding, thick- 
abe divisions of the calyx lanceolate; capsules glabrous. Cullti- 
vated. ; 
4—1. CORNUS. (From Cornu, horn.) 
Canadensis, (dogweed, low-cornel. O. w. M. 2) herbaceous; leaves 
~at the top, whorled, veiny, involucres ovate, acuminate; fruit glo- 
bose. 4—8. i. 
Flo’rida, (false box, dogwood tree, w. y. M. hk) leaves ovate, acumi- 
nate; involucres 4, very large, somewhat obcordate; fruit ovate 
15—30. f. 
11—5. CRATZEGUS. . (From kratos, tough.) 
Cocci’nea, (thorn-bush. O. w. M. kh) thorny; leaves long petioled, 
ovate, acutely-lobed, serrate, glabrous; petioles and pubescent ca- 
lyx glandular; flowers pentagynous. Var. viridis, has lance ovate 
leaves, sub-trilobate ; stem unarmed. 
3—1. CROCUS. 
Officina’lis, (saffron. y..2,) leaves linear, with revolute margins ; stig- 
ma exsert, with long-linear segments. Var. sativus, having violet 
corollas. 
19—16. CUCUMIS. 
Exotic. 
Sati/vus, (cucumber. y. Ju. @) angles of the leaves straight ; pomace- 
ous berry oblong, scabrous. Brought from Asia. 
19—16. CUCURBITA. (Latin word for gourd.) 
Exotic. 
Pep’’o, (pumpkin. y. Ju. @) leaves cordate obtuse, sub 5-lobed, denti- 
culate ; pomaceous berry roundish or oblong, smooth. War. patiro, 
has the fruit more or less flattened. From Asia. 
Citrul/’lus, (watermelon. y. Au. €¥) leaves 5-lobed; the lobes sinuate- 
pinnatifid, obtuse; pomaceous berry oval, smooth. Fruit watery, 
often striped. From Africa and the south of Asia. 
17—1. CYNARA. 
Exotte. 
Scol’ymus, (garden artichoke. O. p. Ju. 3’) very soft-pubescent; leaves 
broad lanceolate, sessile ; panicled racemes. 
CYNOGLOSSUM. (From kuon,a dog, and glossa, tongue.) 
Offici’nale, (hound’s-tongue. O. p. Ju. 3’) very soft-pubescent ; leaves 
broad, lanceolate, sessile; panicled racemes. 
18-2. CYPRIPEDIUM. (From Kupris, name of Venus, and po- 
dion, a slipper.) 
Pubes’’cens, (yellow lady’s slipper. y. M. 2) stem leafy; lobe of the 
