870 



RUB1ACEAE 



Plantago 



50 



Map 1907 



Houstonia purpurea L. 



Lake, Noble County, and a few specimens on the sandy bank of the north 

 side of Simonton Lake, Elkhart County. 

 N. S., s. N. E., and Oreg. 



6. Plantago Purshii R. & S. Pursh Plantain. Map 1903. This species 

 grows in very sandy soil in pastures and fallow fields. I found acres of 

 it in a fallow, sandy field in Starke County. 



Ont. to B. C, southw. to Tex. and Ariz. 



7. Plantago virginica L. Map 1904. Rare or absent from most of our 

 northern counties, becoming frequent to common in the southern coun- 

 ties. It is found in both dry and moist habitats, but prefers slightly acid, 

 moist soil and is usually found in fallow fields and pastures. 



Conn, to Mich., southw. to Fla., Kans., and Ariz. 



8. Plantago pusilla Nutt. (Pilger. Plantaginaceae, IV. 269. Page 74. 

 1937.) Map 1905. This species prefers slightly acid and dry soil and is 

 generally found in pastures where it is often frequent to common. Scott's 

 report for the Leesburg swamp in Kosciusko County should be referred to 

 some other species. 



Man. to Alberta, southw. to Ind. and Okla. 



270. RUBIACEAE B. Juss. Madder Family 



Leaves opposite or sometimes in verticels of 3 in Cephalanthus. 

 Flowers terminal, pedicellate, solitary, cymose or in heads. 

 Herbs; leaves less than 3 cm wide. 



Plants evergreen, creeping; leaves broadly ovate to orbicular, glabrous, cordate 



at the base; fruit composed of 2 united drupes, red 



8451. Mitchella, p. 873. 



Plants not evergreen, erect or ascending; leaves not as above; fruit a dry capsule 



with the calyx tube adnate at least half the length of the capsule 



8141. Houstonia, p. 871. 



Shrubs; leaves more than 3 cm wide; flowers white, in heads 



8230. Cephalanthus, p. 872. 



