Poppy Family. 9 



unequal: petals shorter than the stamens, resembling- them; stigraatic disc 

 undulate or nearly entire, pale red, 1 ~— - 4 rayed. Ponds and slow streams; 

 May-August; frequent; Winneshiek, Allamakee, Fayette, Seott, Muscatine, 

 Johnson, Linn, Story, Hamilton, Cerro Gordo, Winnebago, Dickinson, 

 Emmet, and Lyon counties. ( Xymphnea utlvciiti Sol.) 



SARRACENIACEAE L„ P,/I. Pitcher-Plant Family. 



Marsh plants, with hollow pitcher-shaped or trumpet-shaped leaves, 

 aud scapose nodding flowers. The principal genus of the order is 

 Sarracenia L. 



S. purpurea L. Pitchcr-t>Utul. Shle-xmhlh: Flower. Leaves ascending, 

 curved, broadly winged; hood erect, open, round heart-shaped; scapes 10-20 

 inches high, bearing a solitary deep purple flower; calyx of 5 sepals with 3 

 bractlets at the base; petals 5, obovate. Bogs; May-June; reported from N. 

 E. Iowa (Gray's Manual.) and also from Scott county ( Nagel and Haupt.). 

 YV. D. Barnes of Blue Grass thinks the latter locality is a mistake as there 

 is no specimen in the collection of the Davenport Academy of Sciences 

 and the species has not been found in the vicinity after thorough search. 

 PAPAYERACEAE B. Jus*. Poppy Family. 



Herbs, with milky or colored acrid juice, alternate exstipulate leaves, 

 and loDg peduncled solitary regular flowers. Sepals 2, early deciduous- 

 Petals usually 4, imbricated, deciduous. Stamens 16-21. Ovary 

 usually 1-celled, many-ovuled; style short or none; stigmas 1 or 2. 

 Pods 2-valved, 1-celled, many seeded. 



SaNguinaRIA. Juice red: flowers on scapes, white. 

 Argemone. Juice yellow; leaves spiny-toothed. 



SANGUINARIA L. Flowers white. Petals 8-13, spatulate-oblong. 

 Stamens numerous. Stigma 2-grooved. Pod oblong, dehiscent, 1-celled, 2- 

 valved, many seeded. 



S. canadensis L. Bloodmot, A low perennial; rootstock horizontal, large, 

 with a red juice; leaf solitary, long patioled, kidney-shaped, palmately 

 lobed, the lobes repand or cleft at the apex. Rich woods; flowers mostly in 

 April, fruits in June; frequent. 



ARGEMONE L. Prickly Poppy Annual or biennial herbs, with yellow 

 sap, sessile sinuate-lobed prickly-toothed leaves, and large showy flowers. 

 Sepals 2-3. Petals 4-(i. Style short; stigmas 3-f>, radiate. Pod oblong, 

 prickly, opening at the apex by 3-6 valves. Seeds numerous, crested. 



A. mexicana L. Whole plant setose-prickly; stem 1-2 feet high, simple or 

 somewhat branched; leaves blotched; petals yellow. Waste places; infre- 

 quent; Muscatine county. 



A. alba Lestib. Similar to the preceding; leaves glaucous or green; 

 petals U'hitc. Waste places: infrequent; Johnson and Wapello counties. 

 FCJMARIACEAE DC. Fumitory Family. 

 Smooth delicate herbs, with watery juice, delicate alternate exstipulate 

 compound dissected leaves, and irregular flowers. Sepals 2, minute. 

 Corolla flattened; petals 4, in 2 pairs, outer pair with spreading tips one 

 or both saccate or spurred at base, ianer pair narrow, their tips united 

 over the stigma. Stamens 6, in 2 equal sets; the sets opposite the outer 

 petals. Pod 1-celled, in our species deciduous by 2 valves, with 2 parietal 

 placentffi, several-seeded. Often placed in the preceding order. 



