J 5 >s 



RUBIACEAE 



Vol. 111. 



tt Flowers white or greenish. 

 Stems smooth; introduced species. 



Leaves linear to oblanceolate, cuspidate. 

 Leaves lanceolate, acuminate. 



s mostly more or less retrorscly scabrous; native species. 

 Leaves obtuse; stems slightly scabrous. 

 Plants of wel soil, not shining. 



Flowers solitary, or few in small simple cymes. 

 Corolla-lobes mostly 4. acute. 



Fruit i l /<" in diameter; leaves ascending or spreading. 

 Fruit l /z" in diameter; leaves mostly reflexed. 

 Corolla-lobes mostly 3, obtuse. 



Pedicels rough, curved ; flowers mostly solitary. 

 Pedicels smooth, straight ; flowers 2 or 3 together. 

 Flowers numerous in forked cymes. 

 Shining plant of dry woodlands. 

 Leaves cuspidate-acute ; stems retrorsely hispid. 



II. Fruit fleshy. 



15. G. Mollugo. 



16. G. sylvaticum. 



17. G. tinctorium. 



18. G. labradoncum. 



19. G. tri fid 11 m. 



20. G. Claytoni. 



21. G. palustre. 



22. G. concinnum. 



23. G. asprellum. 



24. G. bermudense. 



i. Galium verum L. Yellow Bedstraw. Lady's Bedstraw. Fig. 3928. 



Galium verum L. Sp. PI. 107. 1753. 



Perennial from a somewhat woody base, erect or 

 ascending, simple or branched, 6'-2* high. Stems 

 smooth or minutely roughened ; leaves in 6's or 8's, 

 narrowly linear, 4"-l2" long, about i" wide, rough 

 on the margins, at length deflexed ; flowers yellow, 

 the cymes in dense narrow panicles ; lower branches 

 of the panicles longer than the internodes at anthe- 

 sis; fruit usually glabrous, less than 1" broad. 



In waste places and fields. Maine and Ontario to Mas- 

 sachusetts, southern New York, New Jersey and Penn- 

 sylvania. Adventive or naturalized from Europe. Native 

 also of Asia. May-Sept. Cheese-rennet. Curdwort. Bed- 

 flower. Fleawort. Maids'-hair. Yellow cleavers. Our 

 Lady's-bedstraw. 



Galium Wirtgeni F. Schultz, differs in having the 

 lower branches of the panicle very short at anthesis, and 

 is recorded as established in a meadow at Norfolk, 

 Connecticut. 



2. Galium parisiense L. Wall Bedstraw. 

 Fig. 3929. 



Galium parisiense L. Sp. PI. 108. 1753. 



Galium anglicum Huds. Fl. Angl. Ed. 2, 69. 1778. 



Annual, erect or ascending, very slender, much branched ; 

 stem rough on the angles, 6'-i2' high. Leaves in verticils 

 of about 6 (4-7), linear or linear-lanceolate, cuspidate, 

 minutely scabrous on the margins and midrib, 2"-s" long ; 

 cymes several-flowered, axillary and terminal on filiform 

 peduncles; flowers minute, greenish-white; fruit glabrous, 

 finely granular, less than 1" wide. 



Along roadsides, Virginia and Tennessee, 

 naturalized from Europe. June-Aug. 



Adventive or 



