PLANT LIFE IN OKLAHOMA. • 49 



CUSTARD APPLE FAMILY— (^nonaceae).— Pawpaws, (Asim- 

 viia triloha) in wooded areas in the northeastern corner of the State. 



MOOF SEED FAMILY — (il/mispermaceae). ^Includes the moon- 

 seeds and cupseeds. These plants grow along streama, and lare widely 

 distributed, except are not found in the western part of the State. 



BARBEREY FAMILY— (Ser&endbeeae).— This family includes 

 the may-apple or mandrake. This is found in rich woods in the eastern 

 part of the State. 



LAUREL FAMILY — (Lauraceae). — Includes the sassafras (ague- 

 tree) and spiced bush. The plants of this family are i limited to the 

 eastern part of. the State. 



POPPY FAMILY — (Papaveraceae) . — Includes the Wood-root, 

 found in rich woods in the eastern part of the State, and the prickly pop- 

 pies on prairies and sandy soils, widely distributed over the State. 



FUMITORY FAMILY— (J?'wmarmceae).— Includes the corydalis, 

 of which there are several varities found chiefly in the eastern half of the 

 State. 



MUSTARD FAMILY— (Cm«/erae).,— Includes the whitlow grass- 

 es, velvet-flowers, bladder-pods, pepper-grasses (including the tongue 

 grass, penny-crea^), shepherd's purse, false flax, horseradish, mustards, 

 turnip, yellow phlox, water-cresses, puiple rocket, ibitter-cresses, and 

 rock-cresses. 



CAPER FAMILY — (Oappm-idaceae) . — Clammy-weeds and spider 

 flower. 



ORPINE FAMILY — (Orassulaceae) . — Includes the stonecrop, live- 

 for-ever and rock-moss. 



SAXIFRAGE FAMILY— (Saxifragaceae) .—Texas saxifrage, alum 

 roots, mock-orange, wild hydrangea, Virgina willow, Missouri currant 

 (buffalo-currant) . 



WITCH-HAZEL FAMILY— {Hamamelidaceae).— The witch- 

 hazels, sweet gum (star leaved gum, red gum., bilsted), in woods in east- 

 ern and southeastern part of the State, sycamore (buttonball tree, button- 

 wood plane tree), along streams. This last known tree is found along 

 the streams in the eastern half of the State, and westward to the Chickaa- 

 kia River, along the north side. 



ROSE FAMILY — (Rosaceae). — American ipecac, in the extreme 

 eastern edge of the State ; apple trees includiag the western crabapple, on 

 river bottoms in the northeastern part of the State; service berry (shad- 

 bush) over the eastern edge of the State, westward to the Arkansas River 

 in the northern part. 



HAWS OR THORN FAMILY— (Cratoe^ws).— Thorns (11). Wild 

 strawiberries, cinquefoils, avens, small-leaved nut, mahogany (on sand- 

 etone ibuttes in Cimarron County), blackberries, raspberries, dewberries, 

 agrominy, wild roses, (6), wild plums, wild berries (10). 



