SCIENTIFIC AND POPULAR. 117 



571. C0RE6pSIS, L. Ticksecd Sunflower. Compositae. 



From Greek, "bug like" , of the achenia. Syn. Calliopsis, 

 in part. Herbs, mostly with showy flowers. About 50 species, 

 America, S. Africa and Australia; 25 in U. S. 



a. C. tiiictoria Nutt. Central U. S. and cult, in gardens. Gold- 

 en Coreopsis, Wild Flax* Nuttall's weed. 



572. C0RETHR6GYNE, DC. Corethrogyne. Compositae. 



From Greek, "broom style" Aster-like perennials. About 

 6 species, all of California. 



573. CORIANDRUM, L. Coriander. Uinbelliferae. 



Classical name from the bug-like smell. Herb. Probably 

 a single species. 



a. C. sativum L. Asia, cult, and adv. in U. S. Coriander 

 (Coliander). The fruit; Coriandrum. U. S. P.; Coriandri fruc- 

 tus, Br., Semen coriandri; Coriander seed. Coriander; Ger. 

 Koriandersamen, Fr. Coriandre (Codex); Sp. Cilantro, Culan- 

 tro. Aromatic, carminative, condiment. Source of oil of 

 coriander. 



574. CORIARIA, L. Tanner's Sumac. Coriariaceae. 



From Latin, "tanner's" shrub. Poisonous shrubs. About 

 10 species, warmer regions of Old and New World. 



a. C. myrtifolia L. (C. tinctoria Dulac. ). Southern Europe and 



northern Africa. Tanner's Sumac, Currier's Sumac, Ger. 

 Gerberstrauch; Fr. Redoul, Sumac des corroyeurs. Fruit 

 poisonous. Leaves have been used to adulterate Senna. 



b. C. sarmentosa Forst. NewZeland. Wine-berry shrub. Tutu 



(vernacular). Toot plant. Seeds poisonous, but wine is made 

 from the juice of the fruit. Source of the New Zealand toot- 

 poison. 



575. CORISPERMUM, L. Bug-seed, Tick-seed. Clienopodiaceae. 



From Greek, "bug seed". Herbs. About 10 species, cir- 

 cumpolar; 1 in U. S., viz. (a) C. hyssopifolium L., Bug-weed, ' 

 Tumbleweed. 



576. CORNUS, L. Cornel, Dogwood. (.ornaceae. 

 The Latin name, "horny", from hardness of the wood. 



Shrubs or trees. About 25 species, north temperate zone, 

 Mexico and Peru; 20 in U. S. » 



a. C. alternifolia L. fils. Canada and northeastern V. S. Blue 



or Purple Dogwood, Green Osier, Umbrella treef. 



b. C. Amoniim Mill. ( C. sericea L. ) . Ontario and eastern U. S. 



Silky Cornel, Blue-berried Cornel, Kinnikinic (Killikinic), 

 Female or Swamp Dogwood, Ked-brusli, Red Osier, Red-rod, 

 Red Willowf. Rose Willowf, Squaw-bush; Ger. Sumpfkornel'; 

 Fr. Cornouiller soyeux. Bark bitter, expectorant, nauseant. 



