ae 
146 Scientific Intelligence. 
side, like the head of a worm; and thirdly, there is an on 
a probably the result of the two former. It is this latter ; 
cau s the filaments to radiate, and spread out from the 
seratitin 
But we must refer the curious reader to the work itself, which, ie 
framed on a systematic and strictly scientific basis, is yet replete with pl 
vam matters of general interest. We could have wished fora d 
account of the recent Seal ries, by Pringsh im and others, the sa 
variety of wonderful w vane ear stem howev er, is made t 
memoirs, of yess! oe some abstracts have been pra i 
umes of this Jou 
The plates, abbey, from the nature of the subjects, not as § 
those of the second part, are handsome and admirable. 
2. Species Filicum ; being descriptions of all —_ Ferns. 
ted with plates; by Sir Witttam Jackson Hooker, K. wy ee 
don: 1858. William Pamplin. Parts VII and VII, or Vo 
Uf and IV. 8vo, pp. 250, tab. 111-140.—The pibliaee ei 
en, In a measure, occasioned by the great difficulty an 
the subject i in hand,—especially i im a genus so” extensive as tha 
pee nearly the whole of the portion now issued, vi2., Pteris” 
sides Pteris the author has here elaborated Rated: Cryplogranmt, Pi 
lea and Ceratopteris, Liavea consists of a single Mexican specs 
as originally drawn up by Bernhardi; ‘ Sporangia catheiogyrala, 
sub-aggregata. Hyposporangia su -communia, margine liber 
cida ;’ and because it “has been made a receptacle for 
ried structure, according to the different views of anton § sg 
limits of the apie especially of those included in this wok | 
eo of Pella The genus Pellea was proposed — : na al 
adopted by Fee, in his Genera Filicum, and here accepted. by Sir 
Hooker. ‘It includes thirty-three species, of which one third are?” 
the United States, viz., P. gracilis in the Northern States ; a 
_purea from Vermont to Texas; P. Bridgesti and P. densa 
and 7 P. cordata, P. flexuosa, P. ‘andromedeefolia, * ag eagre .P. 
ucronata and P. Orithnopus in the region 
(alifurtaal The last three species are probably but forms af pes 
must bear the name of ?. mucronata. [Vide Bo tany of Meme 
