>- 



C^ 



) 



t 



M 



Kcvv, I have been able to ascertain that this is the typical form of 

 Michaux's F. squarrosa. He writes **Our original specimen of 

 Michanx named sanarrosa is the slender plant 6 to 8 inches high 



iplcx Vahl. 



pit mi I a sp 



with fibrous roots, in short 



Spreng." 



Although in the extreme forms of this and var. hispida the 

 internal characters are so widely different, a series of connecting 

 forms exists, co-ordinate to some extent with the size of the 

 plant. The original specimen c 



M 



/ 



internal characters are identical and whose only external differ- 

 ence Is one of size), of which the largest specimen is, as stated 



above, 60 cm. in height. 



Massachusetts ; Plymouth (Oakes, Tuckerman) ; Tewksbury 



(Torrey, Boott). Rhode Island; Providence (Olney). Long 



Island, Babylon (Torrey). New Jersey; M 



County 



(Eaton) ; Cape May 



Delaware ; Townsend (Canby). 



M 



Salisbury (Canby). North Carolina ; W 



(Canby). Florida; M 



Duval Co. (Curtiss 



No. 3068, in part). Louisiana (Hale). Michigan, Cass Co, 

 (Wright, specimen in herbarium of Isaac Martindale) ; ** Macomb 



(Wh 



Micil 



Stipe and achenium usually of equal length. 



Bristles not 



Scale-stalks reaching abo\/e the 



exceeding the stipe, smooth, 

 middle of the achenium. Scales broadly oblong or orbicular, 

 rounded at the apex, with an abrupt apiculation, minutely scab- 

 rous along the upper margin. 



F, sguarrosa, Chapman, Fl. South. States, p. 514 (1865). A 

 sqiiarrosa, var. a, Torrey Ann. Lye. Nat. Hist. N. Y. iii. p 290 



(1836).* 



The plants are usually 10-20 cm. in height, and may be 



almo.st smooth throughout, or the sheaths, especially the lower 



ones, may be densely hirsute, and the leaves and culm sparingly 



so. The tips of the bristles are usually incurved into the space 



below the nut. The stipe of the achenium and the stalks of the 



in any other North American form of the 



scales are longer than 



* TyP^ specimens examined. 



% 



/ 



