(i) Scleria triglomerata Michx., nut-rush. 



(i) Rynchospora glomerata (L.) Vahl., beak-rush. 



(3) Car ex trisperma Dewey, soft-leaved sedge. 

 (I5 3) " stellulata Good, prickly sedge. 



(i) " tenella Schkuhr., sedge. 



(i) " crinita Lam., fringed sedge. 



(i) " filiformis L., slender sedge. 



(i) " Pseudo-Cyperus L., cyperus sedge. 



(i) J uncus tenuis Willd., slender rush. 

 (3, 4) Maianthemum canadense Desf., wild lily-of-the- valley, 

 (i, 2) Iris versicolor L., blue flag. 



(3) Cypripedium parviflorum Salisb., yellow lady's slipper. 



(2) " hirsutum Mill., showy lady's slipper, 

 (i, 2) " candidum Muhl., white lady's slipper. 



(4) " acaule Ait., stemless lady's slipper, 

 (i, 3) Habenaria hyperborea (L.) R.Br., rein orchis, 

 (i, 3) " clavellata Spreng., rein orchis. 



(i, 3) " ciliaris R.Br., fringed orchis. 



(i) " hlephariglottis Torr., white fringed orchis, 



(i) " psycodes Sw., purple fringed orchis, 



(i) Calopogon pulchellus R.Br. 

 , (i) Spiranthes cernua (L.) Richards, ladies' tresses. 



(3) Pilea pumila Gray, clear weed. 



(i) Boehmeria cylindrica Sw., false nettle. 



(2) Thalictrum dasycarpum F. & L., meadow rue. 



(i) Sarracenia purpurea L., pitcher-plant. 



(2) Drosera rotundifolia L., sundew. 



(2) " longifolia L., sundew. 



(3) Saxifraga pennsylvanica L., swamp saxifrage. 



(3) Chrysosplenium americanum Schwein., golden saxifrage, 

 (i) Parnassia caroliniana Michx., grass of Parnassus. 



(3, 4) Coptis trifolia Salisb., goldthread. 

 (2) Spiraea latifolia Borkh., meadow-sweet. 



(2) " tomentosa L., hardback. 



(i) Viola lanceolata L., lance-leaved violet, 

 (i) " pallens Brainerd, sweet white violet. 



(4) Aralia nudicaulis L., wild sarsaparilla. 

 (i*, 2) Decodon verticillatus Ell., water willow. 



(4) Trientalis americana Pursh, star-flower. 

 (3, 4) Galium triflorum Michx., sweetscented bedstraw. 

 (4) Mitchella repens L., partridge berry. 



(3) Myosotis laxa Lehm., forget-me-not. 

 (3) Linnaea borealis L., twinflower. 



(i) Solidago patula Muhl., bog goldenrod. 

 (i; " neglecta T. & R., bog goldenrod. 

 (i) Aster puniceus L., bog aster, 

 (i) Bidens trichosperma Britton, tickseed. 



20 



