102 BOTANY OF LA SAL,LE COUNTY. 



S. longifolium. Erect, 4 angled, slender. 1 to 3 

 ft. Leaves linear to spatulate, sessile, margins 

 revolute. Ju. Aug. B\^ streams. 

 LYSIMACHIA. Loose Strifes. Leaves glandular 

 dotted. 



L. quadrifolia. Leaves in whorls of 4's or 5's, 

 flowered, on long- hair-like peduncles; ^ in. 

 broad, 1 to 2 ft. Ju. Wet lands. 



S. stricta. Leaves numerous, opposite, lance- 

 olate, acute, at each end, often produces bulbs 

 in the axils. 



L. numnfula ria. Moneywort. Creeping, leaves 

 roundish, small, short petioled. Escaped from 

 gardens. 



ANGALLIS. Pimpernel. Spreading or prostrate 

 plants. 



A. arvensis. Leaves ovate, sessile, flowers Sc. 



Ju. Aug. Sandy lands. 

 SAMOLUS, Water Pimpernel. Brook- weed. 



S. valeriandi. Erect with obovate leaves and small 

 W. flowers in racemes; 6 to 12 in. Wet places. 



Order 65, OLEACEAE. Olives. Ashes. 

 FRAXINUS. T. Ash. Trees with petioled pinnate 

 leaves of 3 to 15 leaflets. Timber light, tough. 



F. Americana. White Ash. Leaves of 7 to 9, 

 ovate, acute, serrate leaflets; bark gray, fur- 

 rowed, branches smooth flowers Br. Ap. M. 



F. sambucifolia. Black Ash. Leaves of 7 to 11 

 leaflets. Wet woods. 



Order 66. APOCYNA CEAE. Dogbanes. 



Juice milky; leaves opposite generally and entire. 

 APOCYNUM. Fruit a long, slim pod. 



A. androsaemifolium. Spreading-branched, usually 

 smooth; branches forking; leaves ovate, short 

 petiolate, light G. Flowers bell-shaped one- 



