Translation 2816
Translation 2816
Translation 2816
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
54<br />
Key to the identification of the species.<br />
(260)<br />
1. Anterior horn is straight.<br />
A. Flattening of cell is slight; always just two posterior horns<br />
present. Horns are massive and bulky.<br />
C. 13rachyceros 2 (P.281)<br />
B. Flattening of cell is distinct; two to three posterior horns<br />
are present. Horns are generally thin. C. hirundinella 1 (P.260)<br />
II. Anterior horn runs obliquely to the transverse groove, curved towards<br />
the right.<br />
A. Anterior horn is short, bulky. Width of cells up to 85).i •<br />
C cornutum 3 (P.282)<br />
B. Anterior horn is relatively longer, somewhat thinner. Width of<br />
cells up to 1044. Range of distribution .Atlantic.<br />
c. carolinianum 4 (P.282)<br />
Su l<br />
(262)<br />
A. Thin, long to very long, tricornute forms, up to 45A in width<br />
(rarely up to 55,4) •<br />
Apical portion of cell is shaped like a tall<br />
cone, and thin.<br />
1. Antapical horn is directed in the same direction as the apical<br />
horn Furcoides type 1.<br />
! 2. AntaiDical horn.points outWards just a little.<br />
r -<br />
! (a) Cell width 28-34M, length 148-280X. Silosiacum type 2.<br />
-<br />
,<br />
• (b) Cell width 44-5514, length 375 VI3M, very thin forms.<br />
Yuennanonse type, 3.
Change language