66 BOTANICAL LiAZETTE 



Oorydnlis aitrea, Willd., var. micrdntha, Engelm. Agrees with the exception that 

 the flowers are large, as in the normal G. aurea. Rare, growing iu very rich soil. 



Cori/diil/'s ci'j/stdllind, Engelm. Prairie knoils, common. 



Nasturtium taitacetifoUmn, H. ct A. Thickets and fence rows. 



Nasturtium siimatum, Nutt. Arkansas river, rare. 



Erysimum asperum, DC, var. ArJmiisaauM, Nutt. Limestone. 



Selenia aurea, Nutt. 2-6 inches higli ; flowers abundant and large; for tlic family. 

 Sulphate flats in early spring, rare. 



Draba mneifoUa, Nutt. Limestone. 



Cleomella nmjnsti folia, Torr. Roadsides, apparently introduced. 



Oleomepunfjeas, W'lUd. Fort Smith, introduced. 



Viola puhescens, Ait , var. eriocarpa, Nutt. Alluvial woods. 



Areriaria Pitrheri, 'Nutt. A variable species, usually smooth, with linear, fleshy 

 leaves. Damp soil, common. A very pubescent and glutinous form which grows oa 

 dry prairie hills and is a month earlier, I have named var. puhesceus. Leaves and calyx 

 lobes wider and thinner. 



Stellaria Nuttallii, T. & G. Sulphate flats. 



Two Saf/inre: One common in i)rairies with decumbent stems, and i)etal« spread- 

 ing horizontally, (^. r?fr;Mw6('rts ? Gr.); the other rare, on liigh timbered ridges, with 

 erect stems and ascending petals, (jS. Lirmoii, PresJ.). 



Portulaca pilosa, L Sulphate flats, rare 



Talinum terctifoUum, Pursh. Sulphate flats. 



CalUrrhoedigitata, Gr. Variable. The leaves are sometimes nearly entire; the 

 white to puri)]e flowers }4-^ inches iu diameter; petals cither entire or cut into a fringe. 

 The large spiudle-shai)ed to napiform roots form the chief subsistence of wild hogs 

 during the spring months. 



Callirrhoe pedata,T. & G. A month later, taller, and variable only in the size of 

 the red purple flowers which are % to 2 inches in diameter. Prairies and open woods. 



Rhus Toxicodendron, L. Occurs as a viui climbing trees or rocks; as a shrub %- 

 1 foot high iu dry woods; and as a shrul) 4-8 feet high along rocky streams. 



Bhus aroinatica. Ait., var. frilobata, Nutt. Heavy scented, odor very disagreeable; 

 flowers and fruit larger than iu P. aromatica. Limestone clifls. I l)elieve it is poison- 

 ous; 



Vitis a'.stwalis, Mx. The most common variety is the Post Oak Grape, whicli 

 grows in sandy woods, climbing very little; berry ripe in June, as large as, and more 

 pleasant to the taste than the Northern Fox Grape with which this has sometimes been 

 confounded. 



Siipindus margiiiatus, Willd. Banks, of streams, uncommon. 



^sculus arguta, Buckley. Maybe a variety of J^. glabra, but is pubescent, always 

 shrubby, 3-8 feet high; leaflets 7, scarcely petioled. Openings in woods near banks of 

 streams. Also in Wood county, Texas. 



l^rifolimn reficxum, L. Arkansas river. 



Trifolium stoloniferum, Muhl. Alluvial woods. 



Hosaclda Purshiana, Benth. Suli)hatc flats and drj- woods. 



Psoralea esculenta, Pursh. Dry sandy woods, rare. 



Petalostemoji multiflorus, Nutt. A mouth later than P. caiulidus. Limestone. 



EoMnia Pseudacacia, L. Here it is a shrub 4-8 feet high, flowering profusely. 

 Limestone. 



Tephrosia onobryehoides, Nutt. Dry prairies. 



Indigofera, Anil, L. Introduced. 



Sesbania mar.rocarpa, Muhl. Poteau river. 



Astragalus cavyocarpus, Ker. Limestone. 



