134 PLANT NAMES AND SYNONYMS 



659. DENDr6pHYLAX, Keichb. Dendrophylax. Orchidaceae. 



From Greek, "tree guard". Leafless epiphytes. Two spe- 

 cies, West Indies; 1 in U. S. 



660. DENTARIA, L. Toothvvort, Pepper-root. Cniciferae. 



From Latin, ''toothed", of the rootstocks. Syn. Cardamine 

 (Kew), in part. Perennial herbs from scaly or toothed root- 

 stocks. About 16 species, all of U. S. 



a. D. (liphylla Michx. (C. diphylla Wood). Canada and north- 



eastern U. S. Two-leaved Toothwort or Tooth-root, Pepper- 

 root, Crinkle-root, Trickle. Pi,oot of this and other species,, 

 antiscorbutic, resembling horseradish. 



b. D. laciuiata Muhl. Canada and eastern U. S. Cut-leaved 



Toothwort or Pepper-root, Crow-toe, Crow-foot*. 



661. DERINGA, Adans. 1763. Honewort. Umbelliferae. 



Syn. Cryptotaenia, DC. 1829. Perennial herb. One species, 

 eastern U. S. 



662. DIAM6rPHA, Nutt. Diamorpha. Crassulaceae. 



From Greek, ' 'doubly anomalous' ' . Low herb. One species^ 

 southeastern U. S. 



663. DIANTHERA, L. Water-willow, Acantliaceae. 



From Greek, "doubly anthered". Herbs. About 100 spe- 

 cies, mostly tropical America; 5 in L^. S. 



664. DIANTHUS, L. Pink, Carnation, etc. Carjophyllaceae. 



Greek, "the flower of Zeus." Syn, Tunica, in part. Herbs, 

 mostly perennial. About 200 species. Old World, 1 in boreal 

 America. Several species cult, in gardens, notably, (a) 

 1). Caryophyllus L., Carnation, Carnation or Clove Gilliflower, 

 Clove Pink, Picotee, Grenadine, etc., (b) D. barbatus L.,, 

 Sweet William, Bunch Pink, French Pink, Blooming-down ,^ 

 London-pride, London-tuft, Snowflake, Sweet-John, Tolmeiner; 

 (c) D. prolifer L. [T. prolifera Scop. (Kew)], Childing or 

 Proliferous Pink; (d) D, pliimariiis L., Common Pink' of old 

 gardens. Grass Pink. 



665. DIAPEDIUM, Konig. 1806. Diapedium. Acanthaceae. 



From Greek, "over plains" (?). Syn. Dicliptera (Kew), 

 Juss.1807; Justicia, in part. Herbs. About 60 species, warmer 

 regions; 4 in U. S. 



666. DIAPENSIA, L. Diapensia. Diapeiisiaceae. 



Evergreen sub-shrubs. Two species, one of Himalayas^ 

 one circumpolar (northern U. S. ). 



667. DICHAET6pH0RA, Gray. Dichaetophora. Compositae. 

 From Greek, "bearing two bristles". Syn. Boltonia, in part. 



A Daisy-like winter annual. One species, Texas. 



668. DICHONDRA, Forst. Dichondra. Convolvulaceae. 



From Greek, "two kerneled". Syn. Sibthorpia, in part. 

 Round-leaved prostrate or creeping herbs. About 5 species, 

 warm regions, 2 in U. S. 



