BOTANY OF THE NORTHERN UNITED STATES. XC111 



P. 130. 



6. EPILOBIOI HIRSUTUM, L. a branching, soft-villoas species, of our sec- 

 ond division, only the flowers are large, the 'rose-purple petals ' long is estab- 

 lished as a wild plant at New Bedford, Mass., T. A. Greene, (Adv. from Eu.) 



P. 132. 



10. CEiiottiera scrrulata, Nutt. Stems low, slightly woody at the 

 base ; leaves lance-linear, oblunceolate or linear-spatulate, sharply serrulate or 

 toothed ; flowers axillary ; tube of the calyx funnel-form, shorter than the ovary, 

 with 4 strong nerves which are continued as keels to the lobes ; petals yellow, 

 obovate, wavy-crenulate, much longer than the stamens ; anthers oblong ; stigma 

 discoid, merely crenulate ; pods cylindrical, pubcrulent. Falls of St. Anthony, 

 "Wisconsin (Lesquereux) , and westward. 



2. Jussiaea repens, L. Glabrous or nearly so ; stem creeping, or 

 floating and rooting; leaves oblong, tapering into a slender petiole; flowers 

 large, long-peduncled ; calyx-lobes and slightly obcordate petals 5 ; pod cylin- 

 drical, with a tapering base. 1J. In water, Illinois, Kentucky, and southward. 



P. 136. 



2. Opuntia JVIissouriensis, DC. Prostrate, with narrow and obo- 

 vate tuberculate joints ; the axils bristly and all armed with 5 to 10 slender 

 radiating prickles, some of them stronger ; flowers yellow ; berry prickly. 

 Borders of Wisconsin and westward. 



P. 143 



9. Saxifraga stellaris, L. var. comosa, Willd. Leaves wedge- 

 shaped, more or less toothed ; scape a span high, bearing a small contracted 

 panicle ; many or most of the flowers changed into little tufts of green leaves, 

 the perfect flowers with a free reflexed calyx ; petals unequal, lanceolate, white, 

 with two yellowish spots on the base, which is narrowed into a distinct claw. 

 Mount Katahdin, Maine, Rev. J. Blake. 



10. S. Icucantticniifolia, Lapey rouse, Michx. Leaves oblong, 

 wedge-shaped or spatulate, coarsely toothed or incised, tapering into a petiole ; 

 scape a span to a foot and a half high, bearing one or more leaves or leafy 

 bracts, and a loose and spreading corymbose or paniculate cyme; calyx free and 

 reflexed; petals unequal, with claws, white, the three larger ones cordate-lanceo- 

 late and with a pair of yellow spots, the two smaller ones lanceolate with a 

 tapering base and no spots. Salt-Pond Mountain, Virginia ( Wm. M. Canby), 

 and southward in the Alleghanies. 



P. 156. To Discopleura capillacea add : 



Var. ? cost fit a. Larger ; rays of the umbel and divisions of the involucre 

 numerous ; ribs of the fruit stronger. S. Illinois, Vasey. 



Heloscmdiiiin nodinoruin, Koch. A remarkable aquatic form 

 of this European species, or perhaps an allied new species, was discovered in 

 brooks on the Pocono Mountain, Pennsylvania, by "Prof. Traill Green. For 

 lack of mature fruit the determination is still uncertain. 



