APPENDIX. 



Geranium Very similar to the preceding species in 



pusiiium habit, leaf, and flower ; petals of the latter 



Lilac lilac or pale purple, slightly notched and 



May-Septem- about as long as the sepals. With 5 



stamens only. Seeds smooth. 4-18-inch 

 stem, reclining. Waste places, southern N. E. south 

 and west. From Europe. 



Geranium molle Another similar species, but more soft- 

 Magenta hairy, and the leaves cut about to the 

 May-Septem- middle, the segments 3-5 toothed. The 



small flowers deep or pale magenta, with 

 10 stamens, the sepals obtuse and not bristle-pointed. 

 Waste places, Me. to Pa. and west. 



Geranium Yet another similar species, minutely 



coiumbinum white-hairy, with leaves deeply cut into 

 Magenta 5.9 narrow, nearly linear segments, the 



stems long and slender. The small flowers 

 magenta, with slightly notched petals, and ovate, bristle- 

 pointed sepals, the stems very slender. Borders of fields 

 and roads, N. J. to Va. and Dak. 



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The plant is green early in the summer, 



Euphorbia the leaves a dull> lifeless color without 



lustre. In August and September a dark 



crimson tincture covers the stem, and sparingly, in spots, 



the leaves. 



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Apocynum & species similar to A. andros&mifo- 



medium Hum, but the firm leaves elliptical or long- 



White=pink ovate, generally smooth or slightly 

 June-August fi ne _h a iry beneath, and the white or pink- 

 tinged flowers shaped more nearly like an urn, and with 

 the blunt lobes spreading a trifle but not curved back- 

 ward. The flower clusters terminal or at the tips of 

 branches, the terminal cluster blooming earlier than the 

 branch clusters. This species occupies an intermediate 

 position between A. androsssmifolium and A. cannabi- 

 num. 1-4 feet high. Open situations, dry or moist, and 

 rocky shores, Que. to Md. and west to Col. 



550 



