HITCHCOCK — PLANTS OF AMES, IOWA. 4S3 



T. purpubascens, L. Spec. 



Low prairie and rocky wood- ; abundant. 



Banuncultjs Cymbal aria, Pursh, Fl. 



Dry hills : scarce. 



Northeast corner of " Big Prairie." 



R. LACCTSTBis, Beck tfc Tracy, iu Eat. MaD. 3d ed. 1822.— B. multi- 



jidus. Pursh, Fl. 



Ponds: becoming rare. 



When a pond containing it i- chained, the plant persists for a year or two, but the 

 finely divided leaves are replaced by lobed or incised forms. 



For remarks on the nomenclature of this species, see Greene, Pittonia, ii. 8; Eat. 

 Man. 5th ed. p. 359, note 3; DC. Syst. i. 270 & 303: Prod. i. 34 & 43. DeCandolle 

 places R. multifidus, Forsk. Fl. -Eg. 177^. under R. Forskczhlii, among •'Ranun- 

 culi non satis noti." 



R. abortives, L. Spec. 



Low woods: common. 

 R. SEPTENTRIOMAIiIS, Poir. Diet. VJ. p. 125. 



Moist prairies and meadows; common. 

 R. Peunsylvauicus, L. f. Suppl. 1781. 



Wet ground ; south shore of Cairo lake. 

 R. acris, L. Spec. 



Waste places. A small patch has persisted for several years near the northwest 

 corner of the Chemical Laboratory, probably introduced with packing material, 

 but it has shown no tendency to spread. 



TSOPYRUM biternatum, (Raf.j Torr. & Gray, Fl. i. p. 660.— Erie- 

 mion biternatum. Raf. Journ. Phvs. ii. 1820. 

 Low woods : common. 

 1'AhTHA PALUSTRTS, L. Spec. 

 Swamps ; frequent. 



Bog near pump-house, and elsewhere. 



Aquilegia Canadensis, L. Spec. 



Rocky woods ; frequent. 

 Delphinium azureum, Michx. Fl. 

 Prairie ; not uncommon. 



Quite abundant along railroad west of lower gate. 



Dr. Watson writes that D- Carolinianum, Walt. Fl. is doubtful. 



Act.ea spicata, L., var. rubra, Ait. Hort. Kew. 

 Rich woods; infrequent. 

 Woods near cemetery, Onion creek, Skunk river, and elsewhere. The red ber- 

 ries ripen in early August. 



A. alba, (L.) ^igel.iii Eat. Man. 4th ed.— .4. spicata, L., var. alba, 

 -pec. ' hiZCc «P^^r /XcV- $•**«- Vv-i^— /^z f,(. 

 Rich woods ; scarce. 



Onion creek, growing with the preceding which it much resembles, but its white 

 berries ripen later. 



ME NI SPERM A CE^E. 



Menispermum Canadense, L. Spec. 



Low woods ; frequent, but rare in fruit. 



