Index 



85 



Poa compressa, 63 



P. cuspidata, 63 



P. pratensis, 63 



P. sylvestris, 63 



Podophyllum peltatum, 66 



Polemonium reptans, 70 



Poly gala curtissii, 68 



P. sanguinea, 68 



P. verticillata, 68 



Polygonatum biflorum, 64 



Polygonum aviculare, 65 



P. hydropiper, 65 



P. persicaria, 65 



P. punctatum, 65 



P. sagittatum, 65 



P. scandens, 65 



P. virginianum, 65 



Polygyra texasiana, 29, 30, 31, 32, 33, 



35, 44 

 Polymnia canadensis, 72 

 P. uvedalia, 72 

 Polypodium virginianum, 62 

 Polystichum acrostichoides, 62 

 Potentilla canadensis, 67 

 P. norvegica, 67 

 P. simplex, 67 

 Praticolella berlandieriana, 29, 30, 31, 



32, 33, 37, 45 

 Prenanthes altissima, 72 

 Prunella vidgaris, 70 

 Pthysolis heterophylla, 70 

 PupiZfo &/andj, 25, 29, 31, 32, 33, 35, 



45, 46 

 Pupoides albilabris, 25, 29, 31, 32, 33, 



35, 46 

 Pycanthemum flexuosum, 70 

 P. tenuifolium, 70 

 Pyronone ring, 16 

 Pyrrhopappus carolinianus, 72 



Quinaldine hydrochloride, 14 



Rainbow darter, 23 



Ranunculus fascicularis, 66 



Pt. recurvatus, 66 



Retinella indentata, 29, 30, 31, 32, 33, 



37, 46, 47 

 Retinella indentata paucilirata, 29, 31, 



32, 33, 37, 47 

 Rhamnus caroliniana, 68 

 Rhexia virginica, 69 

 R/z«s copallina, 68 

 R. gZa&ra, 68 

 R. radicans, 68 

 Ribes cynosbati, 67 

 Robinson Forest, 22 



Rock bass, 23 

 Rosa Carolina, 67 

 Roscfin shiner, 22 

 Rubus flagellaris, 67 

 R. sp., 67 



Rudbeckia fulgida, 72 

 R. /wrta, 72 



Ruellia carolinensis, 71 

 RujTiex acetosella, 65 

 R. pidcher, 65 



Sabatia angularis, 69 



SflZix interior, 65 



S. sp., 65 



Salvia lyrata, 70 



Sambucus canadensis, 71 



Samolus parviflorus, 69 



Sanguinaria canadensis, 66 



Sanicula canadensis, 69 



S. gregaria, 69 



San Patricio County, Texas, 25 



Schoenolirion croceum, 54, 55 



Schwartz, D. W., 1 



ScZeria sp., 25, 29, 31, 32, 35, 49 



Scutellaria laterifolia, 70 



S. incana, 70 



S. nervosa, 70 



Sedum pulchellum, 66 



S. ternatum, 66 



Semotilus atromaculatus, 22 



Senecio aureaus, 72 



S. obvatus, 72 



S. smallii, 72 



Sericocarpus asteroides, 72 



S. linifolius, 72 



Setaria faberii, 63 



S. glauca, 63 



Shiner, 22, 23 



Common, 22 



Rosefin, 22 



Spotfin, 23 

 Silene stellata, 65 

 S. virginica, 65 

 Silphium trifoliatum, 72 

 Silverjaw minnow, 23 

 Sisyrinchium graminoides, 64 

 Smallmouth bass, 23 

 Smilacina racemosa, 64 

 S. stellata, 51, 52 

 Smilax ecirrhata, 64 

 S. rotundifolia, 64 

 Snail eggs, 29, 31, 35, 49 

 Snails, Pleistocene, 25 

 Solanum carolinensis, 70 

 Solidago bicolor, 72 

 S. caesia, 72 



