1885.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 461 



Onosmodium Bejariense, shady woods. 



Echinospermum Bedoivskii, var. cupulatum. 



Evolvulus serieeus, very common throughout summer. 



Convolv ulus liermannioides. 



Dichondra repens, roadsides. 



Ipomoza trifida. 



Nama Jamaicense, shade of fences. 



Geranium Carolinianum, valley. 



Euphorbia marginata, common and showy. 



Geum album, river shore. 



Yucca rupicola, very elegant ; in rocky woods. 



Mcotiana repanda (Wild Tobacco), common. 



Solarium nigrum, triquetrum, elwagnifolium, rostratum, abundant. 



Mirabilis longiflora, rare. 



Bowlesia lobata, shade of fences. 



Bouchetia erecta, Mezquit woods. 



Spigelia Lindheimeri, Mezquit woods. 

 Humble but very elegant are two members of the Amaryllis Family, 

 new crops of ^vhich appear after every summer shower, the white- 

 flowered Cooperia Drummondii and the golden-petaled Hdbranthus Tex- 

 anus. 

 The most common Composites, mostly homely weeds, are : 



Verbesina encelioides and Virginica. 



Ambrosia trifida. 



Franseria tenuifolia, var. tripinnatifida. 



Xanthium Strumarium. 



Hymenopappus a rtem is icefo lius. 



Gaillardia pulchella. 



Helianthus lenticularis. 



Parthenium Hysterophor us. 



Lepacliys columnaris, var. pulcherrima. 

 The last two, particularly, choke the lanes and vacant grounds of the 

 town. 



Of grasses we find — 

 In pastures : 



Buchloe dactyloides (Buffalo or Mezquit Grass). 



Bouteloua oligostachya, hirsuta, Texana (Gramas). 



Aristida purpurea, var. u ? longiseta (Triple-awued Grass). 



Stipa Xeesiana. 



Andropogon saccharoides and scoparius (Beard-Grasses). 

 Along the river : 



Panicum Crus-Galli, var. longisetum (Panic-Grass). 



Vniola latifolia (Spike-Grass). 



Arundo Donax (Cane- Grass). 



Zizania miliacea (Wild Bice). 



