180 MEMOIRS FROM THE DEPARTMENT OF BOTANY OF COLUMBIA UNIVERSITY 



Fragaria Virginiana australis. 



Much smaller, 3-8 cm. high, more hairy; leaflets only 2-4 cm. long, almost sessile; 

 sepals broader and more acuminate. 



In the southern states, especially in the mountains. 



Virginia: Mrs. E. G. Britton and Anna M. Vail, 1892; N. L. Britton, 1892. 



Noi-th Carolina: J. K. Small, 1896; M. E. Hyams. 



Louisiana: Dr. J. Hale. 



Fragaria Virginiana Grayana (Vilmorin). 



Fragaria Grayana Vilmorin; J. Gay, Ann. Sc. Nat. (IV.) 8: 202. 1857. 



Decaisne, 47, pi* 



Fragaria Virginiana var. Illinoensis Gray, Man. Ed. 5, 155. 1867. 



Wats. & Coult. in Gray, Man. Ed. 6, 158; Bailey in Gray, F. F. & G. Bot. Rev. Ed. 

 153 ; Rydb. Fl. Neb. 21 : 18. 



Plant rather coarse and hairy ; hairs of the pedicels spreading. 



The extreme form looks very unlike the tjrpical F. Virginiana, but so many inter- 

 mediate grades are found, that it scarcely deserves varietal rank. It is rather common 

 in the Prairie States from Ohio to Kansas. 



13. Fragaria Canadensis Michx. 



Fragaria Canadensis Michx. Fl. Bor. Am. 1 : 299. 1803. 



Richards. Frankl. Journ. Ill (in part); Britton, Bull. Torr. Club, 19: 222 (in part); 

 Britt. & Brown, 111. Fl. 2 : 206. 1897. 



Fragaria Virginiana Eat. Man. Ed. 6, 148. In part. 1833. 



Eat. Man. Ed. 7, 305 ; Eat. & Wright, N. Am. Bot. 246. 



? Fragaria serotina Raf Atl. Journ. 152. 



Illustrations : Britt. & Brown, 111. Fl. 2 : /. 1909. 



Rootstock short, but not very thick. Leaves thin but rather firm, often turning 

 reddish, glabrate above, silky beneath, pedicels 3-10 cm. long, slender, silky with spread- 

 ing hairs, in age often glabrate ; leaflets oblong-obovate or cuneate, sharply serrate, 2-4 

 cm. long. Runners very long and rather slender. Scape rather shorter than the leaves, 

 4-10 cm. high, with spreading hairs, but very soon glabrate, 2-4-flowered. Flowers 

 1-1.5 cm. in diameter; sepals lanceolate, long-acuminate; petals broadly obovate, ex- 

 ceeding the sepals by about a half Fruit oblong-conic 6-7 mm. in diameter and 

 1-1.25 cm. long; achenes set in pits. 



