BOTANY OF THE NORTHERN UNITED STATES. SOU 



P. 130. 



6. EPILOBIDM IIIRSUTCM, L. a branching, soft-villous 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. {Eiiothcra, serrul&ta, 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, puberulent. Falls of St. Antlumy, 

 Wisconsin (Lcsquereux), and westward. 



2. JllSSisea repeals, 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, ty In water, Illinois, Kentucky, and southward. 



P. 136. 



2. Optliitia MiSSOtariensiS, 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 stellavis, L. var. comosa, Wiild. 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. IcucailtllClilifdlia, Lapeyrouse, 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 leafv 

 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. ? COStfita. Larger ; rays of the umbel and divisions of the involucre 

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



Helosciadiuni nodifloriim, 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 Pro/! TraiU Cr&n. For 

 lack of mature fruit the determination is still uncertain. 



