49^ TKAXS. ST. LOUIS ACAD. SCIENCE. 



LONICERA GLAUCA, Hill, Hort. Kew, 1768. 

 Rockj woods ; infrequent. 



Hoggatt's woods; Skunk river northeast of Ames. 



li UBIA CEJE. 



Cephalanthus occiDENTAi.is, L. Spec. 

 Sloughs; infrequent. 



A low shrub, 3 to 4 fett high. (In eastern Iowa it throws taller— 6 to S ft. high.) 



Galium Aparine, L. Spec. 

 Low wood.s ; abundant. 



Annual; stems reclining, often forming dense mats; leaves 6, or mostly S, linear 

 to oblanceohite: fruit hispidulous. 



G. TKiFiDUM, L. Spec. 



Wet places ; common. 



A low diffusely-branched perennial; leaves lineai', about i inch long, 4 to 6 in a 

 whorl; fruit smooth. A form with mostly 6 narrowly elliptical leaves, grows abun- 

 dantly in upland woods. 



Var. LATiFOLiUM, Torr. Fl. U. S. 

 Wet places, common. 



Plant usually less branched; leaves broader. 



G. coxciNKU^M, Torr. & Gray, Fl. ii. p. 23. 



Dry hills; abundant. 



Resembles G. trifiduiii, but leaves all in sixes and flowers more numerous. 

 G. TRIFLORUM, Mlchx. Fl. 

 Woods ; frequent. 



Leaves elliptical-lanceolate, all in sixes, larger and broader tlian in the other 

 specis ; fruit hispidulous. 



COMPOSIT.E. 



Vernonia fasciculata. Mlchx. Fl. 



Bottomlands; common. 

 EuPATORiUM ruRPUREU-'\r, L. Spec. 

 Low woods ; not uncommon. 

 Var. MACULATUM, (L.) Darl. Fl. Cest. 1837. — E. maculaium, L. 

 Amoen. iv. 1760. — E. purpiireum. /3. L. Spec. 

 Sloughs and low woods ; frequent. 



This is more common than the type, and easily distinguished; tlie inflorescence 

 is denser, tlie leaves shorter, and veins more reticulated. 



E. ALTissiMUM, L. Spec. 



Dry banks; infrequent. 

 E. PERFOLiATU^r, L. Spec. 



Low grounds; common. 

 E. AGERATOIDES. L. f. SUppl. 1781. 



Woods; common. 

 KuHNiA EUPATORioiDES, L. Spec. 2.6. ed. appx. 



Dry prairie; abundant. 

 Var. GLl'TiNOSA, (E\\.)—K.gJ^dinosa, Ell. ^\i. i\.—K. (xqiriiori- 

 oides, L.. var. coryinbulosn. Torr. tV (jray, Fl. ii. 



Dry prairies; abundant. 



