SCIENTIFIC AND POPULAR. 89 



:a. C. pentandra Gaertn. (Bom'jax Ceiba Auct., Eriodendron an- 

 fractuosum DC. ). Tropical Asia and Africa. Silk-cotton 

 tree, Cotton-tree, God-tree, Cabbage-wood. 



421. CELASTRUS, L. Staff-tree. Celastraceae. 



Greek name of an evergreen tree. Shrubs, mostly climbing. 

 About 30 species, mostly of Old World; 1 in U. S. 



a. C. scdiidens L. Ontario to Manitoba and south to N. Caro- 



lina and New Mexico. False Bittersweet, Climbing or 

 Shrul)by Bittersweet, Wax-work, Staff-tree, Staff-vine, Fever- 

 twig, Yellow-root, Climbing Orange-root, Koxbury Wax-work, 

 Jacob's Ladder-; Ger. Celaster; Fr. Celastre. Bark emetic, 

 discutient, anti-syphilitic. 



422. CELTIS, L. - Nettle-tree. - Ulmace*. 

 The ancient Latin name. Trees or shrubs. About 60 species, 



mostly of Old World; 2 in U. S. 



-a. C. occideiitalis L. (C. pumila Pursh.). Canada to Louisiana 

 and Kansas. Hackberry. Sugar-berry, American Nettle-tree, 

 Beaver-wood, Bastard Elm, False Elm, Juniper-treef, Hoop 

 Ashf , Rim Ashf, One-berry. Fruit edible. 



b. C. australis L. Europe. European Nettle-berry. Probably 



the lotus of the ancients, the food of the lotus-eaters. 



423. CENTAtREA, L. Blue-bottle, etc. Compositae. 



Greek name, plant of the Centaurs. Syn. Calcitrapa, 

 Cyanus, Plectocephalus, in part. Herbs or sub-shrubs. About 

 350 species, mostly of Old World; 1 indigenous in U. S. 



a. C. Americana Nutt. (P. American us Don.). South-central 

 U. S. to Mexico. American Star-thistle. 



T). C. Calcitrapa L. (Calcitrapa Calcitrapa (L. ) Hill). Europe, 

 adv. in U.S. Star Thistle, Caltrops, Maize-thorn, Mouse-tliorn, 

 Knapweed*; Ger. Sterndistel; Fr. Chardon ^toil^. Plant ionic, 

 irritant, nauseant. 



•c. C. Cyanus L. ( Cyanus Cyanus (L. ) Hill). Europe, cult, in 

 gardens and nat. in U. S. Blue-bottle, Corn Blue-bottle, Corn- 

 flower, Bachelor's buttons. Blue-blow, Blue-bonnets, Blue-caps, 

 Blue Poppy, Blawort, Blaver, Break-your-spectacles, Brushes, 

 Corn-binks, Corn-bottle*, Corn Centaury, French Pink, Hurt- 

 sickle, Knapweed*, Witches' -bells, Witches'-thimbles; Ger. 

 Kornblume; Fr. Bluet, Barbeau (Codex), Casse-lunette. 

 l^lorets, mildly astringent, used in collyria. 



«d. C. nigra L. Europe, adv. in U. S. Black Knapweed, Knap- 

 weed, Knobweed, Horse-knobs, Bachelor's-buttons*, Button- 

 weed, Black soap, Blue-tops, Bole-weeed, Bull- weed. Bund- 

 weed, Centaury, Club-weed, Crop-weed, Dur-bottle, Drumstick, 

 How-weed, Hurt-sickle, Iron-head, Iron-weed, Lady's-cushion, 

 Loggerheads, Matfelon, Mater-filon, Tar-botlle, Tassel, Sweeps. 

 Boot tonic, alterative. 



