HO MENYANTHACEAE. 



frequent; Winneshiek, Floyd, Muscatine, Johnson, Jefferson, Decatur, Win- 

 nebago, and Emmet counties; reported from Fayette, Story, Plymouth, and 

 Woodbury counties. 



Q. andreWsii Griseb. Closed O. Stem simple, smooth; leaves ovate-lan- 

 ceolate to lanceolate, tapering to the apex and frequently moreor less toward 

 the base; calyx-lobes ovate to lanceolate, shorter than the tube; corolla one 

 and one-half inches long, inflated, bluish, folds in the sinuses fringed and as 

 long as the" segments. Moist woods; August-October: frequent; Delaware, 

 Muscatine, Johnson, Linn, Appanoose, Decatur, Story, Winnebago, and 

 Emmet counties; reported from Fayette and Woodbury counties. 



G. flavida Gray. Stem simple, 1-2 feet high; leaves ovate-lanceolate,, tap- 

 ering, base somewhat cordate, partly clasping; flowers in a terminal involu- 

 crate cluster, sessile; calyx-lobes ovate, short; corolla white, somewhat in- 

 flated, lobes longer than the toothed appendages. Moist soil, woods; August- 

 October; infrequent; Winneshiek, Fayette, Delaware, Muscatine, Johnson, 

 Jefferson, Decatur, and Taylor counties; reported from Scott and Story 

 counties. ((?. alha of Gray's Manual). 



MENYANTHACEAE G. Don. Buckbe an. Family. 



" Ours a perennial marsh herb, with a thickish creeping rootstock, Basal 

 or alternate 3-foliolate leaves, and regular perfect flowers. Calyx 5- 

 parted, persistent, inferior.' Corolla 5-lobed or 5-eleff. Stamens 5, 

 borne on the corolla, and alternate with its lobes; filaments short; pollen- 

 grains 3-anj;led. Ovary 1-eelled. with 2 placentae. Fruit a capsule. 

 Represented in our flora by the genus Menyanthes L. 



M. trifoliata L. Butikhean. Rootstock 1 foot long or less, thick, scaly; 

 leaves long-petioled; leaflets oblong or obovate. entire, obtuse, base narrowed 

 and sessile; raceme borne on a long naked peduncle, from the rootstock; 

 corolla white or purplish, white-bearded inside: stamens usually included 

 and the style exserted. Marshes; May-July; infrequent; Emmet and Cerro 

 Gordo counties. 



POLEMONTACEAE DC. Phlox Family. 

 Herbs, with alternate or opposite entire leaves, a 'id regular showy per- 

 fect flowers. Calyx and corolla 5-parted. Stamens 5, inserted on the 

 long tube -of the corolla, alternate with the lobes. Ovarv 3-cellecl-' 

 stigmas 3, linear. Fruit a 3-celled. 3-valved loculicidal capsule. 

 Phlox. Leaves opposite, entire. 



Polemonium. Leaves alternate, pinnate or pinnately parted. 

 Coi-IjOMIA. Leaves alternate, entire. 



PHLOX L. Leaves opposite, sessile, entire. Calyx narrow, deeply :i-cleft. 

 Corolla salver-formed, tube long, limb spreading. Stamens 5, unequally in- 

 serted, included. Cells of the capsule 1-seedeil. Flowers cymose, bracted, 

 terminaf or in the upper axils. Perennials. 



P. paniculatci L. Stem 3-4 feet high, smooth; leaves ovate-lanceolate, 

 tapering both ways; panicle large, many-flowered; calyx-teeth awn-pointed: 

 corolla pink-purple varying to white. Cultivated, occasionally escaped: 

 June-August; Johnscn county; reported from Fayette county. 



P. maculata L. Stem 2-3 feet high,, slender, smooth, purple spotted- 

 eaves lanceolate, the tapering b^se cordate; flowers in a narrow panicle : 



