IOWA ACADEMY OF SCIENCES. 69 



in the black cretaceous soils of north central Texas. August ir)th still in 

 flower. 



(112) E. debilis, Nutt., var. cucumerifolius. Gray. Grimes county, along 

 Gulf Col. & St. Fe R. R. On black soil, July 15th, in full flower. 



(113) H. hirsutus. Raf. Denison, Grayson county. In dry woods, July 

 20th, just coming in flower. 



(114) Coreopsis tinctoria, a utt. Melissa, Collin county. 



(115) G. palmata,'i:iutt. Denison, Grayson county. 



(110) Thclesperma filifoUum, Gray. Denison, Grayson county. (P.) 

 Dry hills in sandy soils; common. 



(117) Polyptcris texana, Gray. College Station, Brazos county. (P.) 

 July 15 in full flower. Common in lower places, dry open prairies. 



(118) EeleniumtenuifoUum, Nutt. College Station, Brazos county. (P.) 

 A common weed in dry, open prairies. Has largely been extended since the 

 cultivation of soils. Occurring with this weed is Croton capitalus var. 



(119) Lindheimerii. "It is said that when cows, feed on this weed 

 milk takes on a bitter taste."— Cr^/^e?/. 



(120) H.7mdiJlortini,'Suit. Melissa, Collin county. (P.) In low grounds. 



(121) H. autumnale, L. Mellissa, Collin county. A weed in low grounds. 

 (122j Gaillardia pulchella, Foug. (Gaillardia.) Denison, Grayson county. 



(P.) July 15 still in flower. Achenia also mature. On sandy soil. Common 

 on the black waxy prairies of central Texas. Along Houston & Texas Cen- 

 tral Railroad. 



(123) Dysodia chrysanthemoides. Lag. (Fetid Marigold.) Navasota, 

 Grimes county. 



(124) Cnicus undulatus, (Jray, var. megacephalus, Gray. Ennis, Ellis 

 county. (P.) In woods. 



(125) Centaurea americana, Nutt. (Star Thistle.) Ellis county. (P.) 

 Common in black waxy soil throughout central northern Texas, also in 

 Indian Territory south of McAllister, along M., K. & T. R. R. In full 

 flower, July 1. 



(12(5) Pyrrhopnjypzis carolinicmus, D. C. College Station. Brazos county. 

 (P.) Still in flower July 15; achenes of early flowers have fallen. Com- 

 mon on the dry prairies and post oak openings. 



ERICACEAE. 



(127) Vaccinium arboreum, Marshall. Clay Station, Burleson county. 

 (P.) On the sides of a rocky bluft". 



SAPATOCE.i:. 



(128) Bumeh'aIan7igi)iosa, Pars. Robertson and Collin counties. (P.) Low 

 grounds; common. 



EBENACE.E. 



(120) Diospyrxis virginiana, L. (Common Persimmon). Grimes, Robert- 

 son, Denison, Collin counties. 



(130) D. texana, SchQoie. (Mexican Persimmon). Burnet county. (P.) In 

 rocky soils. 



OLEACE.E. 



(131) Fraxinus viridis, Michx. (Green Ash). College Station, Brazos 

 county. 



