12 FLORA OF MICHIGAN. 



Cyperus Engelmanni, Steud. Sedge. 



Cyperhs speciosus, Vahl. Sedge. 



Eleocharis olivacea, Torr. Spike-Rush. 



Eleocharis pygmcea, Torr. Spike-Rush. 



Eleocharis Robbinsii, Oakes. Spike-Rush. 



Eleocharis rostellata, Torr. Spike-Rush. 



Eragrostis Frankii, Meyer. 



Eragrostis pectinacea, Gray. 



Erigenia bulbosa, Nutt. Harbinger-of -Spring. 



Gerardia purpurea, L. var. paupercula, Gray. Purple Gerard ia. 



Gymnocladus Canadensis, Lam. Ky. Coffee-tree. 



Hydrocotyle umbellata, L. Water Pennywort. 



Jeffersonia diphylla, Pers. Twin-leaf. 



Juncus pelocarpus, E. Meyer. Rush. 



Juniperus communis, L. Common Juniper. 



Juniperus Virginiana, L. Red Cedar. 



Lespedeza reticulata, Pers. Bush-Clover. 



Nasturtium lacustre, Gray. Lake Cress. 



Poa alsodes, Gray. Meadow-Grass. 



Poaflexuosa, Muhl. Meadow-Grass. 



Prenanthes racemosa, Michx. Rattlesnake-root. 



Quercus imbricaria, Michx. Laurel or Shingle Oak. 



Quercus prinoides, Willd. 



Ranunculus rhomboideus, Goldie. Crowfoot. 



Scirpus Smithii, Gray. Sedge. * 



Scirpus Torreyi, Olney. Sedge. 



Silphium terebinthinaceum, L. Prairie Dock. 



Tiedmannia rigida, Coult. & Rose. Cowbane. 



Trillium nivale, Riddell. Dwarf White Trillium. 



Utricularia resumnata, B. D. Greene. Bladderwort. 



D. SOUTHWESTERN LITTORAL, REGION. 



Asplenium ebeneum, Ait. Spleenwort. 



Calamagrostis longifolia, Hook. 



Cyperus Schweinitzii, Torr. Galingale. 



Euphorbia poly gonifolia. L. Spurge. 



Monarda punctata, L. Horse-Mint. 



Ranunculus Cymbalaria, Pursh. Sea-side Crowfoot. 



Sabbatia angularis, Pursh. 



Salix adenophylla. Hook. Willow. 



Smilax rotundifolia, L. Greenbrier. 



Viburnum prunifolium, L. Black Haw. 



Woodwardia angustifolia, Smith. Chain-Fern. 



E. NORTH-CENTRAL. REGION. 



Calypso borealis, Salisb. 

 Carex adusta, Boot. 

 Carex Houghtonii, Torr. 

 Carex Schweinitzii, Dewey. 

 Carex Saltuensis, Bailey. 



Ceanothus ovatus, Desf . New Jersey Tea. Red-root. 

 Corydalis glauca, Pursh. Pale Corydalis. 

 Dracocephalum parviflorum, Nutt. Dragon Head. 

 Eriophorum alpinum, L. Cotton Grass. 

 Goodyera Menziesii, Lindl. Rattlesnake-Plantain. 

 Goodyera repens, R. Br. Rattlesnake-Plantain. 

 Habenaria obtusata, Richardson. Rein-Orchis. 

 Kalmia angustifolia, L. Sheep Laurel. Lambkill. 

 Krigia Virginica, Willd. Dwarf Dandelion. 

 Linaria Canadensis, Dumont. Toad-Flax. 

 Lonicera hirsuta, Eaton. Hairy Honeysuckle. 

 Lonicera oblong if olia, Muhl. Swamp Honeysuckle. 

 Mimulus Jamesii, Torr. Monkey-flower. 

 Moneses grandiflora, Salisb. One-flowered Pyrola. 

 Physalis grandiflora, Hook. Ground Cherry. 

 Pinus Banksiana, Lambert. Jack, Scrub or Gray Pine. 

 Pinus resinosa, Ait. Red or Norway Pine. 

 Potentilla tridentata, Ait. Three-toothed Cinquefoil. 



