i7<; 



344. Apios apios (L.) MaeM. Groundimt. (A. tiiherosa Moeiieli/i 



Common in various parts of the lake plain. 



345. Geranium maculatum L. Wild Geranium. 



Common in open woods. 



346. G. carolinianum Ij. Carolina Crane's Bill. 



Along the tracks in the railroad gravel pit. 



347. Oxalis stricta Ia Sheep Sorrel. [0. corniculata stricta Sav.) 



Abundant. 



348. Linum virginianum L. Wild Yellow Flax. 



In dry ground, on hillsides, in open wodds. 



349. Xanthoxylum amerieanum Mill. Prickly Ash. 



In woods; not abundant. 



350. rtelea trifoliata L. Hop Ti-ee. 



A few plants uoticed in open woods. 



351. Polygala A^erticillate L. Whorled Milkwort. 



On hillsides. 



352. Polygala viridescens L. (P. sanguinea L.) 



Found on open hillside, east of the lake. 



353. Acalypha virginica L. Three-seeded Mercury. 



Found growing in the park. 



354. Euphorbia humisti-ata Engelm. Hairy Spreading Spurge. 



Common in dry, open, sandy places. 



355. E. nutans Lag. Large or Upright Spotted Spurge. {E. preslii Guss.> 



Common on dry banks and embankments. 



356. E. corollata L. Flowering Spurge. 



Vei-y common in di'y, open places and old fields. 



357. B. cyparissias I^. Cypress Spurge. 



Escaped from an old cemetery near Wa'"saw. 



358. Rhus copallina Ij. Dwarf or Black Sumac. 



In scattered clumps, various places in dry soil. 



359. R. hirta (L.) Sudw. Staghorn Sumac. (R. typMna L.) 



Occasional in clumps in open places. 



360. R. glabra L. Scarlet Sumac. 



Grows in clumps, frequently on dry hill sides at the edges 

 of fields. 



361. R. vernix L. Poison Siimac. (i?. venenata D. C.) 



Common in tamarack swamps. 



