Plants of Boone County, Kentucky. 133 
Trifolium stoloniferum Muhl. Occasional in open ground. 
Trifolium repens L. Abundant in meadows. 
Melilotus alba Desr. Common on roadsides near the river, but not 
found farther inland. 
» Robinia Pseudo-Acacia L. Open hillsides, very common. 
Astragalus canadensis L. Dry soil, not common. 
Desmodium nudiflorum (L.) DC. 
Desmodium pauciflorum (Nutt.) DC. 
Desmodium canescens (L.) DC. 
Desmodium bracteosum (Michx.) DC. 
Desmodium Dillenii Darl. 
Desmodium paniculatum (L.) DC. 
(This genus seems to be the dominant one of the family here, 
much like Astragalus in the Rocky Mountain region and Lupinus 
on the Pacific Slope. All the species are in thickets and at the 
borders of woods, and are exceedingly troublesome on account of 
their burs.) 
Lespedeza capitata Michx. On moraines, rare. 
Aptos tuberosa Moench. Rich woods, common. 
Strophostyles helvola (L.) Britton. Abundant in river-thickets. 
Amphicarpa monoica (L.) Ell. Rich woods, common. 
OXALIDACEAE: 
Oxalis violacea L. Rocky woods, not infrequent. 
Oxalis corniculata L. Dry ground, very common. 
GERANIACEAE: 
Geranium maculatum L. Open woods and meadows, common. 
RUTACEAE: 
Zanthoxylum americanum Mill. Roeky woods, infrequent. 
SIMARUBACEAE: 
Ailanthus glandulosa Desf. An occasional escape. 
POLYGALACEAE: 
Polygala Senega L. Open, rocky soil; not common. 
EUPHORBIACEAE: 
Acalypha virginica L. Fields and waste places, common. 
Phyllanthus caroliniensis Walt. In meadows, rare. 
Euphorbia Preslii Guss. Dry soil, common. 
Euphorbia maculata L. Open places, common. 
Euphorbia humistrata Engelm. Not uncommon in rich soil. 
Euphorbia corollata L. Rich soil, scarce. 
Euphorbia dentata Michx. In rich soil, not common. 
Euphorbia commutata Engelm. Dry woodlands, not common. 
Euphorbia Cyparissias L. An occasional escape. 
