1768. 
1769. 
1770. 
1771. 
1772. 
1773. 
1774. 
1775. 
1776. 
1777. 
1778. 
1779, 
1780. 
1781. 
1782. 
1783. 
1784. 
1785. 
1786. 
1787. 
1788. 
1789. 
1790. 
1791. 
1792. 
1793. 
1794. 
1795. 
1796. 
1797. 
1798. 
1799. 
1800. 
1801. 
1802. 
1803. 
1804. 
1805. 
200 
Polygonum ramosissimum Mx. (form). 
Polygonum ramosissimum Mx. 
Solidago mollis Bartl. 
Mullen, Hooker County, September 15, 
Polygonum litorale Link. 
Polygonum aviculare L. 
Mollugo verticillata L. 
Eragrostis caroliniana (Spreng.) Scribner. 
Bromus ciliatus porteri Rydberg. 
Prunus americana Marsh. 
Seneca, Thomas County, September 16. 
Gaura biennis L. 
Whitman, Grant County, September 19, 
Acnida tuberculata Moq. 
Artemisia biennis L. 
Aster oblongifolius Nutt. 
Chrysopsis villosa (Pursh) Nutt. 
Chenopodium rubrum L. 
Iva xanthifolia Nutt. 
Myriophylum spicatum L. 
Myriophyllum spicatum L. 
Naias guadalupensis (Spreng.) Morong. 
Roripa palustris hispida (Desv.) Rydberg. 
Panicum capillare L. 
Ranunculus sp. 
(?) Urtica dioica L. 
Whitman, Grant County, September 20. 
Chenopodium rubrum L, 
Potomogeton perfoliatus L. 
Polygonum hartwrightii Gray. 
Polygonum lapathifolium L. 
Scolochloa festucacea (Willd.) Link 
The following did not receive any number 
in the field, but were numbered afterwards : 
Agropyron repens glaucum ( Desf.) Scribner, 
June 16. 
(2) Carex rigida goodenovii (Gay) Bailey, 
June 22. 
Amaranthus retroflexus L., July 18. 
Allionia hirsuta Pursh, July 18. 
Agrostis exarata Trin., July 17. 
Equisetum variegatum Scleich., July 17. 
Andropogon hallii flaveolus Hack., July 24. 
Bouteloua = oligostachya (Nutt.)  Torr., 
July 24. 
Calamovilfa longifolia (Hook.)  Hack., 
July 22. 
Carex marcida Boott, July 24. 
{ 1806. 
1807. 
1808. 
1809. 
1810. 
1811. 
1812. 
1813, 
| 
1814, 
1815. 
1816. 
1817. 
1818. 
1819. 
1820. 
1821. 
1822. 
1823 
1829. 
1830. 
1831. 
18382. 
1833, 
1834. 
1835. 
1836. 
1837. 
1838. 
1839, 
1840. 
| 1841. 
| 1842. 
1843. 
1844. 
| 1845. 
1846. 
1847, 
1848. 
1849. 
1850, 
1891. 
Elymus canadensis L., July 22. 
Eatonia obtusata robusta Vasey, July 17. 
Physalis heterophylla Nees, July 23. 
Sagittaria arifolia Nutt., July 26. 
Allionia hirsuta Pursh, July 27. 
Sagittaria arifolia Nutt., July 27. 
Sagittaria latifola Willd., July 27. 
Andropogon provincialis pycnanthus Hack., 
July 381. 
Distichlis spicata stricta (Torr.) Scribner, 
July 31. 
Galium trifidum latifolium Torr., July 31. 
Carex filiformis lanuginosa (Mx.) B.S. P,. 
Aug. 4. 
Juncus torreyi Coville, Aug. 4. 
Lobelia spicata hirtella Gray, Aug. 1. 
Potentilla pentandra, Engelm., Aug. 4. 
Polygonum ramosissimum Michx., Aug. 4. 
Urtica gracilis Ait., Aug. 4. 
Polygonum emersum (Mx.) Britton, Aug. 7. 
. Ceratophyllum demersum L., Aug. 7. 
1824. 
| 1825, 
| 1826. 
1827. 
1828. 
Ambrosia psilostachya DC.. Aug. 10. 
Helianthus sp., Aug. 10. 
Hypericum canadense majus Gray, Aug. 11. 
Juncus marginatus Rostk., Aug. 9. 
Naias tlexilis (Willd.) Rostk. & Schmidt, 
Aug. Il. 
Eragrostis tenuis (Ell.) Gray, Aug. 
Lycopus virginicus L., Aug. 17. 
Eravrostis tenuis (Ell.) Gray, Aug. 22. 
Eragrostis tenuis (Ell.) Gray, Aug. 23. 
Euphorbia serpyllifolia Pers., Sept. 15. 
Aster canescens viscosus Gray, Sept. 18. 
Chenopodium levtophyllum Nutt., July 17. 
Chenopodium leptophyllum oblongifolium 
Wats., July 24. 
Draba caroliniana micrantha (Nutt.) Gray, 
June 15. 
Frelichia floridana (Nutt.) Moq., Aug. 21. 
Fraxinus pennsylvanica Marsh., June 21. 
10. 
Galium trifidum L., June 26. 
Juncus tenuis Willd., July 18. 
Agrostis exarata Trin., July 3. 
(Enothera pallida latifolia Rydberg, July 17. 
Koleria nitida Nutt., Sept. 9. 
Juncus tenuis Willd., July 3. 
Potamogeton lonchites Tuckerm., June 27. 
Aristida basiramea Engelm., July —. 
Rosa fendleri,Crepin, June 20 and 27. 
Rosa fendleri Crepin, Aug. 17. 
Kuhnistera candida multiflora (Nutt.) Ryd- 
berg, July 17. 
Geum strictum Ait. (form), July 17. 
