SCIENTIFIC AND POPUI-AR, 26S- 



1400. OROCHAENACTIS, Coville. Orochaenactis. Compositae. 



From Greek, "mountain Chaenactis". Syn. Chaenactis, in 

 part. Viscid low annual. One species, California. 



1461. OROGENIA, Wats. Orogenia. Umbelliferae. 



From Greek, "mountain born". Herbs, related to Erigenia. 

 Two or three species, western U. S. 



1462. OROXIA, Greene. Oso-berry. Drup.iceae. 



Syn. Nuttallia, Tor. & Gr. Small tree, foliage yielding- 

 much hydrocyanic acid. One species, California. 



1463. OR6nTIUM, L. (iolden-club. Araceae. 

 Greek name of a water plant from the river "Orontes". 



Aquatic herb. A single species, eastern U. S. 



a. 0. aquaticiim L. Massachusetts to Louisiana, mostly near 

 the coast. Golden-club, Tawkin, Water Dock, Tuckahoe. 

 Seeds and rldzomes formerly eaten by aborigines. 



1464. Or6pHACA, Britton. Milk Vetch. Papilionaceae. 



From Greek, "mountain Vetch". Syn. Phaca, Astragalus^ 

 in part. Canescent or villous herbs. Three known species, 

 northwestern U. S. 



1465. ORTHOCARPLS, Nutt. Orthocarpus. ScrojHiulariaceae. 



From Greek, "erect fruited". Herbs. About 30 species. 

 New World; 27 in U. S. 



1466. ORTHOSIPHON, Benth. Java Tea. Labiatae. 

 From Greek, "straight tube". Herbs or undershrubs. 



About 30 species, India and tropical America, (a) 0. stamin- 

 eus Benth. East Indies. Java Tea. Leaves diuretic, demul- 

 cent. 



1467. ORYCTES, Wats. Oryctes. Solanaceae. 



From Greek, • 'plowshare' ' or ' 'furrow' ' . Low annual. One 

 species, Nevada. 



1468. ORYZA, L. - - Rice. - - Gramineae. 



The Greek name of (a). Coarae grasses. About 10 species^ 

 southern Asia. 



a. 0. sativa L. (O. officinalis Wall., O. communissima Lour., O. 

 paulstris Salisb. ). Southern Asia, widely cult, in sub-tropical 

 regions. Rice; Ger. Reis; Fr. Riz (Codex); Sp. Aroz. The un- 

 husked rice is called 'paddy. One of the most important of all 

 food plants; source of rice starch. 



1469. OSBERTIA, Greene. Osbertia. Compositae. 



Herb. One species, western U. S. 



1470. OSMANTHUS, Lour. Fragrant Olive, etc. Oleaceae. 

 From Greek, "fragrant flower" . Syn. Olea, in part. Shrubs 



or trees. About 10 species, N. America, western Asia and 

 Polynesia; 1 in U. S. 



