1^ MICHIGAN ACADEMY OF SCIENCE. 



500. Steironema ciliatum, Raf. 



501. Lysimachia stricta. Ait. Al.su i>uib bearing form. 



502. Gentiana Andrew.sii. Gri.seb. 



503. Gerardia purpurea paupercula, Gray. 



504. Lycopus Virginicus, J^. All open wet places. 



505. L. sinuatus, Ell. 



506. Rumex Britannica, L. Often in water. 



507. Polygonum dumetorum scandens. Gray. Also in moist thickets. 



508. Sisyrinchium angustifolium. Mill. 



509. Juncus effusus, L. 



510. J. effusus conglomeratus, Engelm. Scottville. 



511. J. tenuis, Willd. A weed along paths. 



512. J. articulatus, L. 



513. J. acuminatus debilis, Engelm. 



514. Scirpus atrovirens, Muhl. Amphibious. 



515. Eriophorum cyperinum, L. Amphibious. 



516. Cladium mariscoides, Torr. 



517. Carex flava, T.<. Very abundant. 



518. C. vulpinoidea, Michx. 



519. C. siccata, Wahl. 



520. C. tribuloides reducia, Bailey. 



521. C. tribuloides Bebbii. Bailey. Wet meadows. 



522. C. tribuloides cristata, Bailey. 



523. Spartina cynosuroides, Willd. 



524. Leersia oryzoides, Swartz. Amphibious. 



525. Hierochloe borealis, R. & S. 



526. Calamagrostis Canadensis, Beauv. Common. 



527. Eatonia Pennsylvanica, Gray. 



528. Poa serotina, Ehrh. 



529. Glyceria nervata, Triu. 



530. Botrychium ternatum lunarioides, Eaton. 



531. Ophioglossum vulgatum, L. Bar lake meadows. 



G. — Margins of lakes, ponds, etc. 



532. Ranunculus sceleratus, L. Limose. 



533. Viola lanceolata, L. South shore of Canfleld lake. 



534. Elodes campanulata, Pursh. Amphibious. 



535. Potentilla palustris. Scop. Amphibious. 



536. Decodon verticlllatus, Ell. Manistee lake. 



537. Ludwigia palustris, Ell. Limose. 



538. Gnaphalium uliginosum, L. Puddles. 



539. Lobelia Kalmii, L. Amphibious. 



540. Mimulus ringens, L. Amphibious. 



541. Utricularia cornuta, Michx. Shore of Bar lake. 



542. Mentha viridis, L. Along streams, etc. 



543. M. piperita, L. Along streams, etc. 



544. Polygonum amphibium, I.,. 



545. Myrica Gale, L. Margin of Bar lake. 



546. Salix nigra, Marsh. Fringing streams. 



547. S. lucida, Muhl. Banks of streams. 



548. Spiranthes cernua, Richard. Bar lake. 



549. Juncus Canadensis brachycephalus, Engelm. 



550. J. Canadensis coarctatus. Engelm. 



551. Sparganium simplex androcladum. Engelm. Amphibious. 



552. S. minimum, PYies. Manistee lake. 



553. Acorus Calamus, L. Amphibious. 



554. Sagittaria variabilis, Engelm. Amphibious. 



555. S. variabilis angustifolia, Engelm. 



556. Triglochin palustris, L. West shore of Bar lake. 



557. T. maritima, L. Moist sands between Bar lake and I,ake Michigan. 



558. Cyperus diandrus, L. All wet open places. 



559. Eleocharis ovata, R. Br. 



560. E. palustris, R. Br. 



561. E. tenuis, Schultes. 



562. E. compressa. Sull. 



