Ac i. FIUCAL1 



•• 1. The spin] filaments .-warm round : 

 to one and I m. 



■• 2. Th< -. can w a lie ' o\ ul< 



course of a whole 'year, and under differi 



i to enter a -till widely open j ivule,' tin 



tme the a] 

 of p< ii. tration oa irred in a fullj 

 fore does nol seem to afford evidence of the import of th< -j Lral I 

 tility of the penetration. 

 •■:;. In the tubular portion of tin' -..Mil.-.' aim 

 aha] tular, mucilag r at a d 



like tcquiring a brown colour wit!. 



bodies sometimes exhibit a twiBted aspect, an ■ 



C6 Of an ■ 



'•i. Th< ■■ club-shaped filaments are Bwollen at the 

 have been found in c ththe '< lobular cell whii 



rudim< nt of the future fro 



•:■ The piral filaments, which cease to move and fall upon 1 

 metamorphosed, I • ranular and Bwell up." 



•• Bern conclusions : — 



"Thai these clavate filiform masses in the interior of the 'ovule' ai 

 spiral filaments, which at an early period, while the ovule \. 

 into it ; whicb leads to the probability that — 



- 1. The spiral filaments must regularly pi 



•• •_' They probably contribute to the origin or develop] 

 frond (or embryo). In what way this hap] author ki 



on this point given by Count Suminss a unconfu 



"An it point in this essay is the view the author I 



process of development in this 



nation in the Phanerogamia, since the essential fact is merely tl 

 d from one cell ■ Hum. which he considers to I 



ages of the individual plant; while all the other authors who ha 

 subject, with the exception of Wigand, call the first fri budand 



embryo, and regard it as a new individual, or at all events a disl 

 ►series of forms constituting coDecti\ 



" Finally, Hofmi a his notice of this essay in tl 



development of the r first frond, conn 



division of the globular cell or 'embryo-sac,' but by the 



cle ' in this, like what occur 

 and hi rta that this is the iment fr< 



tl:.- vascular < !rj ptogams, including that found in the pistilli 



- as this extract is, I have thought it desirable to in 

 ourii ■ ments which it reports. [1 will, however, 



us in that ..f Lycopods, there i- no evidence that tl 

 so. The argument used at p. .".:; </. applies here with equal P 



Owing to tin difficulty of obtaining any a 



this alliance, founded upon mere peculiarities of tl.. 

 i d by Presl, A.l. Brongniart, J. Smith ami 

 the peculiar arrangement of the veins. Tot! - 



well discussed in a paper read in Fi before I 



Mr. Thos. Moore, who contended -hat whether 

 in consider ition of the peculiarities of their \, ■ 

 mere question of words. The constant and unvarj 

 veins and of reticulated veins in the primary grou 

 occurrence of intermediate smaller groups, in which ; 



ociated with other character-. w< re m 

 support of giving prominence to the character of \ 

 little variety offered by the a I ins of naked 



here the only parts of fructification really availal 

 it a matter of necessity thai other charact* 



of these lower groups of vegetation, than I 

 plants, whose more perfect reproductive 

 purposes of classification. The most avail 

 constant and unvarying di of the \ 



perfectly relied on: because, whatever mi 

 ies, are constant to that B] ec ea I 



