LOASACE.E; SAXIFRAGACEjE. 361 



Latin Names. English Names. Geoloql Station. Natural Habitat. 



Loasaceae. 



Mentzelia, Plum. 



*M. oligospermia, Nutt., Rocky places. 



*M. rhombifolia, Nutt, Plains of Red River. 



Cactaceae. Cactus Family, 



Opuntia, Tourn., 1 . . Prickly pear. 



0. vulgaris, L., Limestone, . Rocks. 



0. Missouriensis, Nutt., Arid plains. 



Grossulaceae. Currant Family. 



Ribes, L., . . . Currant. Gooseberry. 



R. floridum, L., Limestone, . Rocky borders of M. Spg. 



*R. aureum, Pursh., ..... u Banks of streams. 



*R. tenuiflorum, Lind., u . . u " 



Passifloraceae. Passion Flower Family. 



Passiflora, L., . . Passion flower. 



P. incarnata, L., ..... Sand and clay, . Thickets, dry, poor soil. 



*P. lutea, L , Alluvial, . . Thickets, bottoms. 



Cucurbitacese. Gourd Family. 



Sicyos, L., . . . Star Cucumber. 



*S. angulatus, L., Sandy, . . Banks of rivers. 



Crassulaceae. Orpine Family, 



Sedum, L. Stone-crop. 



*S. sparsiflorum, Nutt., ......... Plains of Red River. 



S. ternatum, Mich., ..... Limestone, . Rocky banks. 



S. pulchellum, Mich., " . . Humected rocks. 



Penthorum, Gron., . Ditch stone-crop. 



P. sedoides, L., . . . . . . Limestone, . Ditches and wet prairies. 



Saxifragacese. Saxifrage Family. 



Saxifraga, L., . . Saxifrage. 



S. Virginiensis, Mich., Sandstone, &c, Humected rocks. 



i The Prickly pear reddens the urine of those who eat it in some quantity. This has heen taken as an 

 effusion of blood, but it is only a harmless coloration. 



