g4 IOWA ACADEMY OF SCIENCES. 



BERBERIDACE^. 



(5) Berberis trifolialata, Movie. (Three-leaved Barberry.) Marble Falls, 

 Burnet county, near Colorado river. On granite soils. Common in 

 thickets. (P.) 



NYMPH^ACEJE. 



(6) Nymjjhcca advena, Alton. (Yellow Pond Lily.) Independence, Wash- 

 ington county. In prairie ponds not uncommon. (P.) 



PAPAVERACE.E. 



(7) Argemone7nexica7ia,L. (Mexican Poppy.) College Station, Brazos 

 county; Denison, Grayson county. Flowers uniformly white. A common 

 weed in light soil everywhere in central Texas. (P.) 



CAPPARIDACE^K. 



(8) Cristatella jamesii, Torr. & Gray. Along near Clay Station, Burle- 

 son county. In gravelly soil. Not common. (P.) 



CISTACE^. 



(9) Lechea drummondii, Torr. & Gray. (Pinweed.) College Station, 

 Brazos county. Dry sandy soil. Common. (P.) 



PALYGALACE^. 



(10) Polygalaincarnala,lj. (?) College Station, Brazos county. 



(11) Krnmeria seciuidijiora, D.C. College Station, Brazos county. Open 

 prairies. Not common. (P.) 



HYPERICACE^. 



(12) Ascyrttm hypericoides, L. (St. Andrew's Cross.) College Station, 

 Brazos county. Grassy prairies. Still in llower July 20th. (P.) 



MALVACE^. 



(13) SiDA spiNOSA, L. (Common Sida). Navasota, Grimes county. (P.) 

 R. D. Blackshear. College Station, Brazos county. A weed in cotton and 

 corn fields throughout central Texas. Melissa, Collin county. Dallas, etc. 



(14) Abutilon avicenn^, Gyert. Dallas, Dallas county. Common. 



(15) Hibiscus TRiONUM,L. (Bladder Ketmia.) Melissa, Collin county. A 

 weed in grain fields. 



TILIACE.E. 



(16) Tilia americana, L. Basswood. Central Texas. 



LINAGES. 



(17) Linum virginianum, L. (Flax.) College Station, Brazos county. 

 Still in flower July 18. Grassy prairies. (P.) 



GERANIACE^. 



(18) Oxalis corniculata, L. (Yellow Wood Sorrel.) College Station, 

 Brazos county. Prairies, common. 



