154 MICHIGAN ACADEMY OF SCIENCE. 



352. J. tenuis, Willd. 



353. Typha latifolia, L. Amphibious. 



354. Cyperus strigosus, L. 



355. C. erythrorhizos, Muhl. 



356. Dulichium spathaceum, Pers. 



357. Eriophorum lineatum, B. & H. 



358. E. gracile, Koch. 



359. Carex folliculata, L. 



360. C. intumescens, Rudge. 



361. C. lupulina, Muhl. 



362. C. utriculata. Boot. 



363. C. Tuckermani, Dewey. 



364. C. stricta, Lam. Forming tussocks in swamps. 



365. C. crinita. Lam. 



366. C. tenella, Schk. 



367. C. tribuloides, Wahl. 



368. C. tribuloides cristata, Bailey. 



369. Panicum virgatum, L. Rare; also along railroad. 



370. P. clandestinum, L. 



371. Muhlenbergia glomerata, Trin, 



372. Glyceria nervata, Trin. 



373. G. pallida, Trin. Very wet places. 



374. Larix Americana, Michx. Peat bogs, rare. 



375. Equisetum arvense, L. Common in dry as well as wet soil. 



376. E. hyemale, L. 



377. Aspidium Thelypteris, Swartz. 



378. A. Noveboracense, Swartz. 



379. A. Boottii, Tuck. Alder thicket, Tyler's woods. 



380. A. cristatum, Swartz. 



381. Onoclea sensibilis, L. 



382. Osmunda regalis, L. 



383. O. cinnamomea, L. 



B. Prairie bogs. 



384. Lathyrus palustris. L. 



385. Spiraea salicifolia, L. 



386. S. tomentosa, L. 



387. Geum album, Gmelin. 



388. G. macrophyllum, Willd. 



389. Potentilla Norvegica, L. 



390. P. palustris, Scop. 



391. P. fruticosa, L. 



392. Parnassia Caroliniana, Michx. 



393. Lythrum alatum. Pursh. 



394. Epilobium spicatum. Lam. 



395. E. strictum, Muhl. 



396. E. coloratum, Muhl. 



397. E. adenocaulon, Haussk. 



398. Tiedemannia rigida, C. & R. 



399. Cicuta maculata, L. 



400. Eryngium yuccajfolium, Michx. 



401. Galium trifidum, L. 



402. Eupatorium purpureum, L. 



403. E. perfoliatum, L. 



404. Solidago Riddellii, Frank. 



405. S. lanceolata, L. 



406. Aster Tradescanti, L. 



407. A. paniculatus. Lam. 



408. Helianthus giganteus, L. 



409. Coreopsis aristosa, Michx. Bogs for acres yellow with it in autumn. 



410. Bidens frondosa, L. A common weed. 



411. B. cernua, L. 



412. Prenanthes racemosa, Michx, Rare. 



413. Campanula aparinoides, Pursh. 



