98 ON THE COMPARATIVE MORPHOLOGY OF SCIADOPITYS. 
all, the xylem lieing aed ho phloem below,* the meet difference 
consisting in the abse f the ‘‘ bundle-sheath ”’ the leaf 
of Sciadopitys. If confi¢iastinn were needed it aight be obtained 
from an examination of the seedling plant. 
Germination of Sciadopitys—The seedling plant nt a long 
ik aaah branched tap-root or radicle, a lon lindrical 
aa Been iinet re 
from the seed-coats as the US ; = this latter pomt 
I have at Ertan no direct evidence, nor as to their soso 
nu 
Although no apportanity has yet occurred to me of absolutely 
seeing the transition between these elongated primordial leaves 
aves i he ad 
branches, there can I think be no Peneoneble soubt of their 
sa een identity and serial sequence 
ds.—At the ends of the shoots of " Selassiige ee shaped 
Bae such as those just alluded to, occur crowded together 
in close spirals, without internodes, and in fact play the part 
perule or bud-seales. In the sé -f most of these may — 
be seen, during the resting season, traces of the “needles,” one 
to each scale. In the earliest stage ‘a "which I have yet seen 
em, these needles appear in the form of oblong flattened 
ie the real nature of these ‘needles’? I do not at 
present intend to offer any statement, further than to confirm 
in general terms the anatomical structure, as revealed by VoR © 
Mohl, Haeaat and Dickson, { and to allude to the curious 
* Bertrand, ‘Anatomie comparée des tiges et des seed her: les ona C8 
et les Coniféres,’ Ann. Se. . ser. Bot., tom. xx., p. 105, tab. 10, figs. 3 and 13. 
t Bertrand, l. c. p. 105, tab. 10, figs. 4,5; Von Mohl, pant copes” re 
Engelmann, “vhs Zeit., 1868, na 484. Strasburger, Conif. und Gnetac., p. 3 
} Dickson, ‘Proceedings Inter siege Botani cal Congress,’ Londo — 1866 
read before the Botanical Soc of Edinbu g evue ortioge 
1867 et Feb ron., March 1, 1884 “bie ers, ‘ Vege 
Teratology,’ Pe 852, adnot. For the literature of the subject see Bertrand, Joe. 
cit.,p. 104. Mr. Bower's sews on the nature of this organ, communicated to 
the ‘Linnean Society as this note was passing the press, will be shortly n 
public. A brief abstract will be found in Gard. Chron., March 15, 1884, p. 346. 
