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8. T. pauvcirFLonuM Nutt. Heads involu- 
crate; involucre herbaceous, deeply lobed, the 
lobes deeply dentate; corolla not becoming in- 
flated; legume 1-2-ovulate; petals scarcely ex- 
ceeding the calyx, purple or rose-eolor.—©. 
Common. Spring. 
9. ‘T. mtcrocePpHAaLUM Pursh. Heads invo- 
lucrate; involucre membranaceous, its lobes 
entire; corolla not becoming inflated; petals 
pale.—©. Common. Spring. 
10. T. micropon Hook. & Arn. Heads in- 
volucrate; involucre membranaceous, its lobes 
3-dentate; corolla not becoming inflated; petals 
white or pale—©. Common. Spring. 
11. T. Barpiaczrum Torr. Heads involu- 
crate; involucre broad, #-dentate; corolla be- 
coming inflated; petals purple—@. Com- 
mon. Spring. : 
12. T. Fucatum Lindl. Heads involucrate; 
involucre deeply lobed; corolla becoming in- 
flated, pale—@©. Common. Spring. 
13. T. pEpaupERATUM Desv. Involucre al- 
most 0, reduced to a mere disc; corolla becom- 
ing inflated, white or purple.—©. Common. 
Spring. 
5. Melilotus Tourn. Metizot. 
Diadelphous. Petals free from the column 
of stamens and deciduous. Legume globose. 
Flowers racemose. Leaves pinnately 3-foli- 
olate; stipules adnate. 
