156 HARPER 



MITCHELLA L., Sp. PI. in. 1753. 



M. repens L., 1. c. (Partridge Berry.) 



Bluffs, hammocks, etc. tattnall, Montgomery, coffee, 



WILCOX, BERRIEN. 



Common nearly throughout the Eastern United States. 

 CEPHALANTHUS L., Sp. PI. 95. 1753. 



C. occidentalis L., 1. c. Button Bush. Button Willow. 



In creek- and river-swamps and around deep ponds; usually 

 near permanent water. Grows in ponds near the Altamaha 

 Grit escarpment in screven, worth, and decatur, and in 

 the swamps of the Ogeechee, Ohoopee, Ocmulgee, and other 

 large streams. Fl. all summer. 



Nearly throughout the Eastern United States and in- the 

 neighboring tropics. 



PINCKNEYA Mx., Fl. 1: 105. pi. 13. 1803. 



P. pubens Mx., I.e. "Maiden's Blushes." "Peruvian." (Ken- 

 tucky Magnolia). 



Mussaenda bracteolata Bartr. ; Humboldt, Ideen zu einer Geo- 

 graphic der Pflanzen, 70. 1807. 

 Branch-swamps and sand-hill streams throughout. Fl. June- 

 July. Wanting in the adjacent lime-sink region, but re- 

 appears at several points in and near Americus, the only 

 stations known north of the Altamaha Grit escarpment. 

 (See Bull. Torrey Club 27: 435. 1900; 32: 147. 1905.) Ex- 

 tends southeast to within 20 miles of the coast in Chatham 

 and Glynn Counties. 

 Ranges from extreme southern South Carolina to Middle 

 Florida. More abundant in the Altamaha Grit region than 

 in all the rest of its range combined. (SeeTorreya 5: 114. 



HOUSTONIA L., Sp. PI. 105. 1753. 



H. longifolia Gaert., Fr. & Sem. 1: 226. pi. 4p. f. 8. 1788. 



Bluffs, rock outcrops, etc., infrequent, tattnall, Mont- 

 gomery, coffee. Fl. May-Nov. More common farther 

 inland. 



Widely distributed in Eastern North America north of lat. 32 . 



