OF PLANTS. 181 



situations to the sources of the Pottoe. Flowering 

 in May. 



It is a hardy biennial, the seeds germinate in au- 

 tumn, and the seedlings after surviving the winter, 

 flower in the succeeding spring. 



* CALLIRHOE. 



Calix simplex, quinquefidus. Capsular plurimse 

 monospermy in annula congests. 



Habitu Sida consimilis. 



C. digitata, glauca, foliis inferioribus pseudo- 

 digitatis, subpeltatis, laciniis linearibus subdivisie 

 glabriusculis, supremis tripartitis simpliciusque, pe- 

 dunculis subracemosis longissimis. 



Hab. In the open prairies near Fort Smith, in 

 bushy places, not very common. Flowering in May 

 and June. 



Description. Root tuberous, somewhat fusiform 

 and perennial. Stem simple or sparingly branched, 

 smooth and glaucous, about three to four feet high. 

 Radical and lower leaves like those of a Delphinium 

 but the divisions partly peltate, the segments 8 or 9 

 in number, 3 or 4 inches long, linear, simple, bifid 

 and trifid, the primary radical ones occasionally 

 somewhat hispid, the succeeding foliage smooth. 

 Branchlets merely floriferous, naked, the peduncles 

 a foot or more in length, attenuated and articulated a 

 little below the calix, which is simple and 5-cleft, 

 attenuated at its base, the segments ovate, acumi- 

 nate. Flowers carmine red, about the size of those 



