g THE AMERICAN MIDLAND NATURALIST. 
5) 
Oxalis stricta L. YELLOW WOOD ‘SORREL.. 
Fields and roadsides. Common. June 10. 
Oxalis cymosa Small. *SMOOTH YELLOW SORREL. 
Oxalis cymosa Small. SMOOTH YELLOW SORREL. 
Fields or along ditches and thickets. I have no careful records 
to show whether or not this flowers at the same time as the preceed- 
ing, but believe there is little if any difference. 
Linaceae. Flax Family. 
Linum ustitatissimum \,. COMMON. FLAX. 
Roadsides. Frequent. June 20. 
Linum lewisi Pursh. PERENNIAL FLAX. 
Collected by C. B. Waldron in 1890. 
Linum sulcatum Riddell. *SMALL-FLOWERED YELLOW FLAX. 
Prairie. Common. 
Linum rigidum Pursh. *LARGE-FLOWERED YELLOW FLAX. 
Collected by Lee-1n6.1S901.. June: 15: 
._ @ : : 
Geraniaceae. Geranium Family. 
Geranium maculatum I. — WILD. CRANE’S BILL. 
Aspen woods on Minnesota side. Occasional. 
Geranium carolinianum I,. 
Roadsides, especially by the aspen woods. 
7 
Geranium pusillum I,. SMALL CRANESBILL 
Lawns, introduced with white clover. Occasional. 
Erodium cicutartum (1,.) 1’ Her. ALFILARIA 
Collected by C. H. Waldron inrg1o. 
Balsaminaceae. Jewel-Weed Family. 
Impatiens pallida Nutt. PALE TOUCH-ME-NOT 
Woods. Occasional. 
Rutaceae. Rue Family. 
Xanthoxylum americanum Mill. PRICKLY ASH 
Woods Frequent. May 15 (16). 
Euphorbiaceae. Spurge Family. . 
Euphorbia glyptosperma Engelm. 
Along railroad. Stevens and C. H. Waldon in rogrt. 
Euphorbta serpyllifolia Pers. TF YME-LEAVED SPURGE, 
Fields and roadsides. Common. Jititetro? (Gor): 
