

NEW PLANTS FROM MISSOURI. 105 



pure white, about 5 cm. long; mature capsules not seen. — 

 Dry banks and prairies, western Missouri. Summer and 

 autumn. 



This plant is easily distinguished by the italicized portion 

 of the description above, the large bracts being especially 

 noteworthy. 



/Specimens examined. — Missouri : West Belton, Cass 

 County, Mackenzie 100, August 4, 1902; Oak Grove, 

 Jackson County, Mackenzie 75, July 30, 1902; Lee's 

 Summit, Mackenzie, July 6, 1900; Martin City, Mackenzie, 

 Bush, July 9, 1899, type. 



Dasystoma calycosa Mack. & Bush,sp. nova. * 



Perennial, perfectly glabrous. Stems 5 to 15 dm. tall, 

 glaucous, diffusely much branched; lower leaves about 1 

 dm. long, the blades strongly veined, ovate-lanceolate or 

 ovate-oblong in outline, the lower portion typically very 

 deeply pinnatifid, often leaving the middle portion but 

 2 mm. wide, the 2 to 6 segments from oblong-linear to 

 triangular, entire or with ] to 3 teeth, the terminal portion 

 of the blade lanceolate or ovate-lanceolate, irregularly 

 cleft and jagged, the margins of the blade ciliolate, the 

 upper surface scabrous-pubescent; petioles ciliate; inflo- 

 rescence branching, the very slender elongated branches 

 widely spreading ; bracts narrowly linear-lanceolate, acu- 

 minate, entire, the blades 2 to 4 cm. long, tapering 

 to petioles some 5 mm. long; pedicels stout, usually 

 strongly curved, 3 to 8 mm. long; body of the calj r x 6 to 

 8 mm. long, nerved strongly; sepals linear-awl-shaped, 

 7 to 10 mm. long when developed and exceeding the body 

 of the calyx, one or more often abortive; corolla 3 to 4 

 cm. long, rather narrowly funnel-form for the genus; 

 capsules broadly oval-ovate, pointed, 10 to 15 mm. long. 

 Rocky wooded hills in the Ozark region. Missouri and 

 Arkansas. Summer and autumn. 



This species may be readily distinguished from the 



