81 
693. P. maculata, L. Wild Sweet-William. 
Rich woods and banks of streams; not common. June. (B.) 
Glencoe. Niles. . Maywood. Riverside. 
694. P. glaberrima, L. 
Prairies and open rich woods, south ; frequent. July. 
Our specimens usually have a rose-red corolla. 
695. P. pilosa, L. Hairy Phlox. 
Prairies and open woods; common or abundant. May — July. 
During the season of 1885, nearly all specimens examined were 
smooth. The white-flowered form is quite frequent. 
696. P. divapicata, L. 
Rich and damp open woods and banks; frequent. May — June. 
Common in the Calumet Region and at Riverside. 
Two forms occur: 
(a) Petals slightly obcordate, lilac or bluish ; leaves chiefly ovate, 
or ovate-lanceolate. 
' ( b ) Petals entire, or only slightly emarginate, lilac, bluish or 
nearly white; leaves frequently lanceolate. ~J7 /T 
697. P. bifida, Beck. 
. Sandy soil of the eastern portion of our district; common, especially 
southward. May — June. 
Plant slightly pubescent, rarely nearly or quite smooth. 
PQLEMONITJM, Tourn. 
698. P. reptans, L. Greek Valerian. 
77 Rich woods and damp shaded banks; frequent locally. May — June. 
In very rich and damp woods the corolla is often a deep blue. 
HYDROPHYLLACEiE. 
HYDROPHYLLUM, Tourn. Waterleaf. 
699. H. macrophyllum, Nutt. 
Rich woods; rare. June 25th — July. (B.) 
Niles. Bowmansville. 
700. H. virginicum, L. 
Damp woods throughout our district, especially in ravines of the 
northwest; frequent. May 20th — June. 
701. H. appendiculatum, Michx. 
Rich and damp woods, especially in ravines; infrequent. June — 
July. (B.) 
The reflexed appendages of the calyx vary from ^ to £ inch in 
length. 
