150 
PENTANDRIA, MONOGYNIA. 
10. SE Leaves perfectly smooth, acute and sub- 
serrate, gradually attenuated down the petiole; segments 
of the calix acute; petals all beardiess; stigma recurved, 
_ distinctly rostrate, capitulum roundish almost without 
Margin. Flowers inodorous. 
§ 11. Producing stems. 
11. canadensis. Style short, compressed, stigma capi- 
tate, without rostrum, on either side somewhat pubescent. 
12. striata. Nerves of the leaves somewhat pubescent 
on the under side, calix ciliate, nectary rather large, 2 late- 
ral petals densely bearded; stigma tubular, recurved, a 
_ little pubescent on the summit. Flower yellowish white. 
15. debilis. P V. canina, Walter. Stem decumbent, 
leaves reniform-cordate, serrulate or crenate, smooth on 
the under side, base cucullate; petiole short; stipules 
‘ovate- lanceolate, serrate-ciliate, peduncles very long; seg- 
ane of the calix linear-lanceolate, acute, smooth; petals 
=) ale blue, the 2 lateral ones bearded; stigma 
parce SO . 
r, recurved, rostrate, with scabrous papill« 
on the summit. Nearly “allied to the preceding. 
14. rostrata. Nectarium longer than the corolla, petals 
all beardless; stigma smooth, erect, attenuately clavate, 
without rostrum. Leaves smooth on the under side. 
. Flowers pale blue, Secchaiee 2 purplish. 
15. pubescens. Mich. Leaves either 
very pubescent, 2 nearly smooth, subserrate; stipules 
ovate, oe a entire; style compressed, stigma roundish, 
almost eybexicel, with 2 lateral tufts of pubescence, and 
_ without rostru ‘smooth. 8. eriocarpon. Fruit 
densely Altea; stipules s aller. In fruit this would be 
taken or a distinct species, as the character is constant; 
in any other respect it does not materially differ from V. 
erat both these varieties are abundant near Phila- 
Iphi 
16. tripartita. Elliott. Leaves 3 te 5-lobed, pubescent, 
lobes subserrate; stipules ovate, entire or serrulate; pe- 
duncle rather long and slender; flowers yellow; stigma the 
aie yee a ee 
stigma as Sly ani to which this species teats 
not ipconsiderably related; this plant is however always _ 
ssemeoth with elongated leaves, of eer genta eo 
Re 
sae 
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