ETYMOLOGY. 421 



Struthiopteris, strutliios, ostrich ; the fronds being like the 



feathers of an ostrich. 

 Syngramma, syn, to unite, gramma, a line ; the sori in 



united lines. 



Tsenitis, tainia, a fillet or ribbon ; the linear pinnae of the 

 fronds. 



Thylacopteris, thelo, a nipple ; the sori like teats or nipples 

 on the upper side of the frond. 



Thyrsopteris, thyrsos, bunch or raceme, pteris; the fructifi- 

 cation in raceme bunches. 



Todea, in honour of Henry Julius Tode, of Mecklenburg, an 

 experienced mycologist. 



Trichocarpa, thrix, trichos, a hair, karpa, fruit; the fructi- 

 fication borne on a hair-like stalk. 



Trichomanes, thrix, hair, manos, soft ; the delicate nature of 

 the fronds. 



Trichopteris, thrix, hair, pteris; the sori being furnished 

 with hairs. 



Trochopteris, trochos, a wheel, pteris; the disposition of the 

 fronds. 



Yittaria, vitta, riband ; shape of narrow fronds. 



Woodsia, in honour of Joseph Wood, a celebrated British 



botanist (died 1864). 

 Woodwardia, in honour of Thomas Jenkinson Woodward, 



an English botanist. 



Xiphopteris, xiplios, sword, pteris ; form of the frond. 



