60 Trans. Acad. Sci. of St. Louis. 



Carolinian and Louisianiau areas. Arkansas, Kentucky, 

 Louisiana, Maryland, Ohio, Pennsylvania and Virginia. 



Specimens examined. — Ohio : Cincinnati, Lloyd, 1888. 



3. Chaerophyllum Texanum C. & R. Mon. N. A. Umb. 59. 

 1900. 



An erect tall plant, 2-6 dm. high, usually quite smooth 

 above the first fork, even the petioles smooth, or sometimes 

 the lowest ones ciliolate; fruiting umbels more dense, of 8 

 to 15 fruits; fruit oblong, smaller and not beaked, tapering 

 to a blunt point, 4-5 mm. long, glabrous; ribs very promi- 

 nent, much wider than the intervals, nearly twice as wide and 

 almost obliterating them ; fruit with base about as wide as 

 middle; involucres spreading. Dry, rocky barrens and 

 prairies. May. 



Type locality : nears Houston, Texas; collected by Z>?'. J. 

 .N. Rose, No. 4173, May 6, 1899; type in U. S. Nat. 

 herbarium. 



X/Ower Sonoran area. Kansas, Missouri and Texas. 



"Specimens examined, — Kansas: Ctierokee County, Hitchcock, 1085, 

 May 7, 1?97. — Missouri: Glen Allen, i??tsseH, May 20, 1898; Lee's Summit, 

 Mackenzie, 57, May 22, 1898; same locality, Mackenzie, May 28, 1899. Shef- 

 field, Mackei^zie, May 16, 1897. — Texas: Columbia, Bush, 184, 1899. 



4. Chaerophyllum dasycarpum Nutt. in T. & G. Fl. 



1:638. 1840. 



Chaerophyllum procumbens dasycarpum (Nutt.) C &R. Bot. Gaz. 12: 160. 



1887. 

 Chaerophyllum Tainturieri dasycarpum (Nutt.) Watsou, Bibl. Index. 416. 



1878. 



Stems 2-6 dm. high, erect, much branched, very pubescent; 

 fruit very pubescent, with a beak about one-fourth as long as 

 the body; ribs broad, from one-third to a little over one-half 

 as wide as the intervals. Low rich ground in fields and 

 woods. Abundant in some places. March to September. 



Type locality not given; collected by Nuttall; type in 

 Gray Herbarium. 



Lower Sonoran and Louisianian areas. Mississippi and 

 Texas. 



