170 Harper: Explorations in Georgia 1903 



A specimen labeled " Ballast ground, Pensacola, Florida," col- 

 lected by A. H. Curtiss, August 2, 1899 {no. 6^0 r, distributed as 

 A. humiie DC.) is identical with my plant. 



■ 



Helianthus heterophyllus Nutt. 



L 



This seems to be quite rare in Georgia. I saw it in September 

 in rather dry pine-barrens near Jesup and Offerman, but not in 

 sufficient quantity to collect. 



Baldwinia atropurpurea Harper 



Principally confined to the Altamaha Grit region, but seen 

 also in September, 1903, in the nearly flat pine-barrens of Wayne 

 and Pierce counties, where the Grit may possibly be overlaid by 

 some newer formation. In Wayne County it is quite common^ 

 and I secured excellent specimens nearNahunta on the 19th {no. 

 20oy), A few days later I found it in two additional counties well 

 within the Grit region, namely, Coffee and Wilcox. Traveling 

 from Douglas to Cordele on the 23d, a distance of about 65 miles 

 through the Altamaha Grit region, I noted this plant seventeen 

 times, between different mile-posts, in four counties. (That such 

 a common, conspicuous and unmistakable plant should have been 

 overlooked until the end of the 19th century is a striking illustra- 

 tion of how little the interior of South Georgia has been explored 

 by botanists.*) 



Marshallia ramosa Beadle & F. E. Boynton 



This recently-described species seems to have considerable 

 variation in habitat. It was discovered in 1900 "in moist, sandy 

 pine-lands at [or near?] Eastman, Georgia." In 1902 I found 

 it in dry pine-barrens in Johnson County,t and in 1903 I found it 

 only on outcrops of Altamaha Grit, in Tattnall {no. iSjj) and 

 Dodge counties. The latter station is only a couple of miles 

 from Eastman, and therefore somewhere near the type-locality. 



Mesadenia diversifolia (T. & G.) Greene 

 Cacalia diversifolia T. & G. Fl. N. Am. 2 : 435. 1843 ; Chapm. 

 Fl. S. States 244. i860. Type -locality (according to Dr. 

 Chapman, the discoverer) : " Muddy banks of the Chipola 

 River, [near?] Marianna, West Florida." 



* But that part of the railroad from which these seventeen observations were made 

 did not exist in the summer of 1900, when the species was discovered. 

 fSee Bull. Torrey Club 31 : 27. 1904. 



