HITCHCOCK PLANTS OF A.AIES, IOWA. 52:5 



C. Da VISIT, Schwein. & Torr. Mod. Cyp. 1825. 



Wet places ; abundant. 

 C. GRISEA, Wahl. Koaigl. Ac. Haudl. xxiv. 1803. 



Grassland; common. 

 C. LAXIPLORA, Lam., var. latifoi.ia, Boott, 111. 1858-1867. 



Rich woods; infrequent. 

 C. TETANicA, Sehkuhr, var. Meadii, (Dewey) Bailey, Syu. Car. 

 iS86. — C. Meadii, Dewey, Amer. Jour. Sci. xliii. 1842. 



Grass land ; frequent. 



C. EBURNEA, Boott, ill Hook. Fl. ii. 

 Woods; infrequent. 



C. Pennsylvanica, Lam. Diet. iii. 



Dry woods; common. 

 C. PUBESCENS, Muhl. in Willd. Spec. iv. 



Rich woods; not uncommon. 

 C. CON.TUNCTA, Boott, 111. 1858-1867. 



Low grass land ; common- 

 C. GRAVIDA, Bailey, var. laxifolia, Bailey, Types. Car. 1889. 



Low ground; not uncommon. 

 C. vuLPiNOiDEA, Michx. Fl. 



Low grass land; common. 

 C. Sartwellii, Dewey, in Amer. Jour. Sci. xli. 1842. 



One im])erfect specimen, marked bv Prof. Bailey, "probably." 



C. SPARGANioiDES, Muhl. in Willd. Spec. iv. 



Low ground ; common. 

 C. CEPHALOPHORA, Muhl. in Willd. Spec. iv. 



Low ground; frequent. 

 C. MuSKiNGUMENSis, Schwelu. Ann. Tab. 1823. 



Sloughs; frequent. 

 C. TRiBULOiDES, Wahl., var. cristata, (Schwein.) Bailey, Syn. 

 Car. iSS6. — C. cristata^ Schwein. Ann. Tab. 1S23. 

 Low ground, common. 

 C. STRAMiNEV, Willd., var. festucacea, (Willd.)— C./es<t<eaeea, 

 Willd. Spec. iv. — C. siramitiea^ Willd., var. brevior^ Dewey, Amer. 

 Jour. Sci. xi. 1S26. 



Low ground ; common. 



Var. at.ata, (Torr.) Bailey, Cat. Car. 1884.— C. a^ato, Torr. 



Mon. Cyp. 



Grass land. 



GRAMINE.i:. 



Spartina cynosukoides, (L.) Willd, Enum. i. — Dactylis cynosu- 

 roides, L. Spec. 



Sloughs; abundant. 



