258 CONTRIBUTIONS FROM THE NATIONAL, HERBARIUM. 



Leaves in whorls of 4. 



Leaves 1-nerved ; stems densely hairy ; flowers conspicuously pediceled , yellowish 

 purple 3. G. pilosum. 



Leaves 3-nerved; stems glabrous or nearly so; flowers sessile or nearly so, greenish. 



4. G. circaezans. 

 Fruit glabrous. Plants perennial. 



Leaves acute or bristle-pointecj, mostly in whorls of 6. 



Leaves linear, shining, slightly upward-scabrous on the margins, acute. 



6. G. concinnum. 



Leaves elliptic to obovate, dull, downward -scabrous, bristle-pointed. 



6. G. asprellum. 

 Leaves obtuse, never bristle-pointed. 



Leaves usually all in whorls of 4, linear or nearly so; corolla lobes 4, acute. 



7. G. tinctorium. 

 Leaves mostly in whorls of 6, sometimes in 4's, spatulate or spatulate-oblong; 



corolla lobes usually 3, obtuse 8. G. claytoni. 



1. Galium aparine L. Goose-grass. 

 Wet or moist ground; common. May-June. Nearly throughout N. Amer.; also in 



Eur. 



2. Galium triflorum Michx. Sweet-scented bedstraw. 

 Damp woods or alluvial soil; common. July -Oct. Nearly throughout N. Amer. 



north of Mex.; also in Eur. and Asia. 



3. Galium pilosum Ait. Hairy bedstraw. 

 Dry woods or thickets; along the Potomac and at Lanham. June-July. Eastern 



U.S. ■ 



4. Galium circaezans Michx. Wild licorice. 



Open or shady woods; common. May-July. Eastern N. Amer. 



6. Galium concinnum Torr. & Gray. Shining bedstraw. 



Low woods along the Potomac; common. June-Aug. Eastern U. S. 



6. Galium asprellum Michx. Rough bedstraw. 

 Woods along the Potomac and Hunting Creek. June-Oct. Eastern N. Amer. 



7. Galium tinctorium L. Wild madder. 

 Low ground near Naucks; also collected at several other localities not specified. 



May-June. Eastern N. Amer. 



8. Galium claytoni Michx. 



Swamps north and east of Washington; frequent. June-Sept. Eastern N. Amer. 

 {G. trifidum of Ward's Flora.) 



3. MITCHELLA L. 

 1. Mitchella repens L. Partridge-berry. 



Woods, especially under pines; common. May-June; fr. in autumn, persisting 

 until spring. Eastern N. Amer. 



The "double" scarlet berries, as well as the foliage, are very handsome, and large 

 quantities of the plant are gathered for winter decorations. A form with white fruit 

 has been found within our range by Titus Ulke. 



4. DIODIA L. 

 1. Diodia teres Walt. Poor-weed. 



Dry or sterile soil; common. July-Sept. Eastern JJ. S. to Mex. 



5. OLDENLANDIA L. 

 1. Oldenlandia uniflora L. 



Low ground near Bennings, August, 1899 (Steele). Eastern U. S. 



