858 REPORT OF STALE GEOLOGIST. 



PASTINACA L. 

 P. sativa L. Wild Parsnip. 



Found throughout the State in various situations, usually in 

 waste fields, by roadways or in cultivated grounds. It thrives 

 most vigorously in moist soils. A common weed in nearly all 

 parts of the State. Many cases of serious poisoning are reported 

 as caused by this plant, the root being occasionally eaten by mis- 

 take or through ignorance. 



Flowers from June through September. 



Jefferson (Barnes); Monroe and Vigo (Blatchley); Fayette 

 (Hessler); Clark (Baird and Taylor); Dearborn (Collins); Frank- 

 lin (Meyncke); Gibson and Posey (Schneck); Putnam (MaeDou- 

 gal); Vermillion (Wright); Decatur (Ballard); Hamilton and Ma- 

 rion (Wilson); Steuben (Bradner). 



POLYT.ENIA DC. 

 P. NUTTALLII DC. 



In dry soil in the "Knob" region of southern Indiana. Re- 

 ported from several counties, but verified in only one case. 

 Flowering specimens collected in April. 

 Floyd (Clapp). 



THASPIUM Nutt. 

 T. trifoliatum (L.) Britton. Purple Meadow Parsnip. 

 (T. aureum atropurpureum Coult. and Rose.) 

 Found in many parts of the State, in rich soils in rather open 

 places. It is most frequent in dry situations, although sometimes 

 extending into moist grounds. Probably found in as many locali- 

 ties as the next form, though not so generally reported. 

 Flowers in June and July. 



Vigo (Blatchley); Jefferson (J. M. Coulter); Kosciusko (Coul- 

 ter); Hamilton and Marion (Wilson); Gibson and Monroe. 



T. trifoliatum aureum (Nutt.) Britton. 



(21 aureum Nutt.) 

 Widely distributed throughout the State and quite abundant. 

 Usually in rich, moist soils along streams or in damp ravines. 

 Also very common in swamp regions. 

 Flowers from May through July. 



Tippecanoe (Cunningham); Vigo and Monroe (Blatchley); Gib- 

 son and Posey (Schneck); Jay, Delaware, Randolph, and Wayne 



