IM s/:a AfOSSl^S. 



iiating as ihcy branch. It grows to the lici^'ht of 

 from one to three inches, antl sometimes more. I 

 have fuunil it at Wdxl's Holl, five im hcs high. It 

 is invariably dark brown or bla« k on pajK-r, docs 

 not (olaj)se when taken fn»m the water, and is 

 covered pretty thickly, main stem and branches, 

 with thorn-like, simj>le or branc hetl spines, one-tenth 

 of an inch or less long. 'Ilic ariftina, or "ram's 

 horn" variety, has the l-wX branchlets and spinas 

 recuncd or hooked. .\i Peconic Ilay, Harvey says, 

 the natives call this variety " Ni^Kcr hair." I have 

 fiMmd the common fonn plentiful at Silver Spring, 

 IVmidence River, Woo<l's I loll, ami Marblehead, in 

 July and .\ugusl. Miss llooth rejxjris it at Peconic 

 Riy, in .Septemlxrr. Mr. Collins, at Lynn beach, on 

 /i*stfra, as btc as ()ctol)cr, and Mrs. Davis finds 

 it all summer in the *' Mill l*ond," at Gloucester. 



Ptn.VSlPHuMA (;i„\KVI, HaRV. 



It is agreed by Dr. Farlow and Prof. Eaton 

 that this is but an extreme variety of P. Ilanryi, 

 and Dr. Farlow is of the opinion that both specif > 

 arc identical with the oMer KurojKran species, /' 

 spiftulosa^ Grev. P, Olnfyi diflfcrs from P. Ifanryit in 

 being a somewhat larger plant, composed of much 

 softer, and finer filaments, longer and straighicr 



II 



