CRYPTOOAMIA -FILICKS. Kquisctum. '.fr.i 



elongated, the acalcs w^parating from each oilier, dii>cloi»- 

 iijg the CY///.V, whicli discharge al>uij<lance of very iiiinute 

 globular ic'^"//*. i'^very ixW, or germeti, h encompasse'J 

 witfj 4- hi/iral ^/cla?fumt!i, attached U> its base, and lenjii- 

 nating in 4 dilaUrd flat appendages, taken by I fed wig for 

 anthen, and producing a fine powder, or /jollen. 

 Roots perennial, creejjing. ,S7<:'yrti herbaceous, more or less 

 branched, furrowed, tubular, jointed, with a cylin<lrical, 

 sharp-toothed, membranous iheatk, arising froni each 

 joint, and embracing a jx^rtLon of the stem or branch 

 above it. Leavei> none. Catlcim terminal, stalked, soli- 

 tary, erect, nake<i, brown or blackish. .V^nje specie* 

 bear them singly, on simple, ra<Jical, niatiy-sheathed 

 shofjts, s<xjn withering away, l>ef'ore the wj[>iously- 

 branched htariie Jiond a appear. In fathers they termi- 

 nate the proper /ronrJ. Several, like Orasses, secrete 

 a quantity of flifJty earth, mostly kxlged in their cuticle. 

 They are natives of marshy or watery situations, chiefly 

 in cold or Urmperate climate>>. .Many of the older sym>- 

 nyms are very obscure. 



1 . E. sylvatumm. Branched Wood Horsetail. 



Branches compound, curvwl d^/wn wards, smooth. 



K. sylvaticum. Una. Sp. PL 1 .0 1 6. mild. v. .0 . ?>. FL Br. 1 1 02. 

 Engl.Jiot. V.27. t. Ib74. Haf<ATour, 1.0. HfMjk. Scot. p. 2.10 i. 

 BoU.Fd.'iQ.t.?,2,?j?,. H.Dan. t.]\H2 Ehrh. Cnjpt. MA . liau 

 Syn. 1.30. 



K. n. 1G80. ILaU. Hat. t.'6.'6. 



K. sylvatlcura, tenuissicois sell*. Bauli. Tliealr. 24-.0./. 



L, sive Hippuris tenuissima non aspera. Bauh. Hut. v. 'i. p.2. 

 723, 2./. 724. 



(3. E. sylvaticum procumbens, fcetis uno versu dispositis. />i//. m 

 Raii Syn. 131. 



In shady moist woodu, by trickling rills, hut not very frequent. 



Found chiefly in mountamous situations. liv a wet dripping rock, 

 l>eyond Tyloge bridge, U) tl»e left, at Hafod, Cardiganshire, 



Perennial. April, May. 



A very elegant species, twelve or tighten mcbes high. Stem* 

 erect, beset with many whorls of slender, compound, angular, 

 smooth (net rough; spreading bramJiei, drrx>ping at the ends > 

 each whorl having a pale brown torn she<ith a}>ove it. Cc/^/cw 

 solitary, terminal, erect, ovate, on a naked *Ya//t. 



The variety 3 is a verv trivial one, accidentally procuml>ent, whence 

 the hTaiu:tm are all turned upwards from U.e ground, and be- 

 come unilateral. 



V 2 



