83 
710. L. latifolium, Michx. Broad-leaved Gromwell. 
Rich open woods and shaded banks; infrequent. June. (B.) 
North branch Chicago river. Riverside. Maywood. Casella, Ind. 
^ 711. L, hirtum, Lehm. Hairy Puccoon. 
In sandy soil; common, especially on the sand dunes or ridges 
southeast April — July, occasionally as late as September. 
With dimorphous flowers, open sandy woods, Englewood, Hill. 
Both the forms mentioned by Dr. Gray in his Synoptical Flora of 
North America, occur here : 
(a) Form with the stamens inserted in the middle of the corolla, 
and the style rising to the throat. 
(b) Form with the style rising to the middle, and the stamens in 
the throat, ‘ w 
712. L. eaneseens, Lehm. Hoary Puccoon. Alkanet. 
Prairies and open woods, in sandy soil; abundant, especially east- 
ward. April — June. 
713. L. angustifolium, Michx. Narrow-leaved Gromwell. 
Includes L. longiflorum , Spreng. 
Sandy soil on hillsides, banks of streams, prairies, and dry open woods. 
A rather local species producing cleistogamous blossoms all summer. 
ONOSMODIUM, Michx. 
714. 0. earolinianum, D C. False Gromwell. 
Calumet river; rare, 1887, a single specimen. Banks of the Des- 
plaines river; infrequent. July. (B.) 
715. 0. earolinianum, D C., var. molle, Gray. False Gromwell. 
0. molle , Michx. 
Dry ground; Evanston, Boxwood. (B.) 
CONVOLVULACEJE. 
IPOMGEA, L. 
716. I. ooccinea, L. Cypress-vine. 
Quamoclit coccinea, Moench. 
Wild on sand banks; Englewood, Hill. (B.) 
717. I. pandurata, Meyer. Wild Potato-vine. 
Riverside; rare, Babcock ! 
CONVOLVULUS, Tourn. 
718. C. spithamaeus, L. Bracted Bindweed. 
Calystegia spithamcea , Ph. 
Dry sandy soil, mostly in the eastern portion of our district; not 
common. June. (B.) 
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