ELEMENTARY BOTANY 1 17 



Snow on the Mountain, Euphorbia niarginata. — This is 

 an erect annual, two to four feet high, conspicuous for 

 the white margins of its leaves. It is often listed in seed 

 catalogues and planted for ornament. Poisoning com- 

 monly occurs through honey gathered from its flowers, 

 large quantities of autumn honey being yearly rendered 

 unsalable by the presence of this plant. Like the preced- 

 ing spurge its acrid juice on delicate skins not infrequently 

 causes blisters and inflammation similar to that produced 

 by poison ivy. 



Other poisonous plants are : 



Death-Cup Mushrooms, of the genus Amanita, described under 

 fungi. 



American False Hellebore, Veratrum viridc (white hellebore, 

 swamp hellebore, Indian poke, poke root, Indian uncus, crow poison, 

 devil's bite, duckretter, itch weed, bugbane, wolfsbane, bear corn). 



Dwarf Larkspur, Delphinucm tricoriie, Stagger Weed (O.), and 

 Purple Larkspur, D. menziesii. 



Woolly Loco Weed, Astragalus niollissimiis and Stemless Loco 

 Weed, A. Lai}ibertii. 



Rattlebox, Crotalaria sagittalis. 



Oregon Water Hemlock, Cicnta vagans. 



Great Laurel, Rhododendron ijiaximum. 



Staggerbush, Pieris j/iariana. 



Branch Ivy, Leucothoe catesbcei. 



Black Nightshade, Solanum nigrum. 



Bittersweet, Solanum dulcamara. 



Sneezeweed, Helenium ajihimnale. 



It is certainly no more than common sense should dic- 

 tate to provide adequate instruction about these plants 

 wherever they abound. The school, by cooperation of 

 teachers, intelligent parents, and pupils, should provide 

 a neatly labeled collection. The specimens should be 



