Subfamily II. CAESALPINIOIDEAE 



CERCIS L. 



Cercis canadensis L. Judas tree, red bud. 



Chapman Flora, p. 124; Small Flora, p. 584; Britton and Brown 111. 

 Flora, Vol. II, p. 257, figure No. 2033. 



February and March. 



Distribution: — Ontario to Minnesota, New Jersey, Florida and Texas. 



Louisiana: — In rich woods, widely distributed over the State, but 

 nowhere very abundant. In wet summers the tree often blooms again in 

 August and September. 



CASSIA (Tourn. L. Senna. 



Cassia medsgeri Shafer. 



Gray New Manual p. 505. 



July and August. 



Distribution: — Pennsylvania to Iowa and Kansas, south to Georgia 

 and Texas. 



Louisiana: — Corners of cultivated fields; banks of rivers in most 

 parts of the State. 



(Apparently all the specimens of Hale and Carpenter in the Tulane 

 Herbarium labeled Cassia marylandica and the specimens collected by 

 the author similarly named belong to this species. According to Small, 

 however, C. marylandica occurs in Louisiana in moist or alluvial soil.) 

 Cassia chamaecrista L. 



Chapman Flora, p. 258; Britton and Brown 111. Flora, Figure 2033. 



June. 



Distribution: — Massachusetts to Minnesota and south. 

 Louisiana: — Cultivated fields, edges of woods, all over the State. 

 Cassia occidentalis L. 



Chapman Flora, p. 124; Small Flora, p. 587; Britton and Brown 111. 

 Flora II, figure No. 2038. 



June. 



Distribution: — Virginia and Indiana to Florida and Mexico. 



Louisiana: — Common as a weed in cultivated ground. 

 Cassia tora L. 



Small Flora, p. 586; Britton and Brown 111. Flora II, 258, figure 

 No. 2036. 



June. 



Distribution: — Virginia to Indiana, Florida and Texas. 



Louisiana: — Everywhere as a weed in gardens and cultivated fields. 

 Cassia nictitans L. 



Chamaecrista nictitans (L.) Moench. 



Chapman Flora, p. 125; Small Flora, p. 588; Britton and Brown 111. 

 Flora II, 257, figure No. 2034. 



June. 



Distribution: — New England to Kansas; Georgia and Louisiana. 



Louisiana: — Edges of woods, river banks throughout the State. 



(The following species with which the writer is not acquainted are 

 stated in Small's Flora to occur in Louisiana: 

 Chamaecrista robusta, Pollard. 

 Chamaecrista littoralis, Pollard. 

 Chamaecrista multipinnata, Pollard [Greene J.) 



