33 



angulata, Ait. Western Cotton Tree. C. and S. 

 balsamifera, L. Balsam Tree. Gen. 

 candicans, Ait. Balm-of-Gilead. Gen. 



GYMNOSPERiVLE. 



CONIFERS. 



Pinus, Tourn. inops, Ait. Jersey or Scrub Pine. G. or S. 



rigid a, Miller. Pitch Pine. C. and S, 



strobus, L. White Pine. N, 



Banksiana, Lam. Scrub Pine. S. and N. 

 Abies, Tourn. Canadensis, Michx. Hemlock Spruce. Gen. 

 Larix, Tourn. Americana, Michx. Tamarack. N. 

 Cupressus, L. Thyoides, L. White Cedar. E. and S. 

 Juniperus, L. communis, L. Common Juniper. Summit county. 



Virginiana, L. Red Cedar. Gen. 

 Taxus, Tourn. Canadensis, L. Dwarf Yew. N. and C. 



CLASS II. ENDOGENS. 



ARACE^E. 



Arum, L. triphyllum, Toit. Jack-in-the-Pulpit. Gen. 



Dracontium, Schott. Green Dragon. Gen. 

 Peltandra, Raf. Virginica, Raf. Arrow Arum. N. 

 Calla, L. palustris, L. Water Arum. N. 

 Symplocarpus, Salisb. foetidus, Salisb. Skunk Cabbage. Gen. 

 Acorus, L. Calamus, L. Sweet Flag. Gen. 



LEMNACE^E. 



Lemna, L. trisulca, L. Ivy-leaved Duck-meat. Gen. 

 minor, L. Lesser Duck- meat. Gen. 

 polyrrhiza, L. Gen. 



TYPHACE^E. 



Typha, Tourn. latifolia, L. Cat-tail Flag. Gen. 



var angustifolia. Gen. 

 Sparganium, Tourn. ramosum, Hudson. Burr Reed. N. and C. 



angustifolium, Michx. N. and C. 



simplex, Michx. N. and C. 



NAIADACE^E. 



Naias, L. flexilis, Rostk. Naiad. Gen. 



Zannichellia, Micheli. palustris, L. Horned Pondweed. Gen. 



Potamogeton, Tourn. natans, L. Broad-leaved Pondweed. Gen. 



pectinatus, L. Fennel-leaved Pondweed. N. 



compressus, L. Gen. 



prselongus, Wulf. Long-stalked Pondweed. N. 



pauciflorus, Pursh. Grassy Pondweed. Gen. 



lucens, L. Shining Pondweed. N. 



Robbinsii, Oakes. Robbin's Pondweed. N. Dr. Canfield. 

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