402 OLDER MESOZOIC FLORAS OF UNITED STATES. 
preservation and degrees of compression they present a so: 
varied aspect. They all agree, however, in the one leading cl 
of being more or less densely covered with small protruding sec 
axes which greatly obscure and distort all other characters. 
the species from the character, using the word nodosa in its } 
and more correct sense of knotty or full of knots, and not in 1 
ondary and less correct sense which most naturalists give it of, 
which should properly be expressed by the Latin word articul 
The specimens referred to this species, with their weights. 
follows: 
Kilograi 
INO OOO rae eaceaenet entice tae ag a lt apa mina mceyei ymin lel 2; 
INGE DOO DT, ccs peace 32 ei dlass oie Sawa ciddmamaasidoe eee Bieeshee 1, 
NINOS O00 SU 55 55 ee sedated eee ceaseayevoucucucu dup suena ten iacnceciensys 0. 
BIN SSE PTE yaa sas gash odearec rad ne cpeseosoe Soaps ceca op Sad REP Ds 
BING SO 2 pe faa fay cred oratc aes etn eters tars ohare crept ecto SeN IER 2. 
NO:500 40 nae. c ce cena ee nce serena ae ane een pe cleemene ls D: 
ING F500 I4 Bee 2 menaced eames ah ta em me a pees le he eng 1. 
With the exception of No. 500.21 these are all nearly perfect 
That one seems to be only the upper part of a trunk iarger t 
rest, but it is impossible to decide how much more there was 
this, and in fact the base may not have been far away. In tl 
it would have had a low, vertically flattened form, which is d 
from the rest. No. 500.9 is considerably larger than the oth 
has fewer branches, but it can not be referred to any other 
Nos. 500.11, 500.12, and 500.48 are all smaller and have ali 
same general facies. I would make Nos. 500.17 and 500.47 th 
of this species. They are very similar in all respects and dist 
specific characters to good advantage. They are much less di 
by pressure than the other specimens. 
Pls. CXIII and CXIV give side views of the two broad sides 
500.9; Pls. CXV and CXVI illustrate No. 500.47, the first s 
the normal shape with contracted base, and the second the nu 
knotty branches; Pl. CXVII is the only view taken of the sy 
No. 500.17, very similar to the last; Pl. CX VIII, Fig. 1, she 
low rounded apex of No. 500.21, and Fig. 2 the transverse fr 
The former is covered with little knots, but they do not co. 
well in the photograph. Pls. CXIX and CXX illustrate th 
specimen No. 500.11, Pl. CXIX giving the broadest side, Pl. 
Fig. 1, one of the other side views, and Pl. CXX, Fig. 2, a viev 
base. Pl. CXXI, Figs. 1 and 2, show, respectively, the side a: 
of No. 500.48, and Pl. CX XII, Figs..1 and 2, do the same { 
500.12, the last figure showing the concave and perhaps so1 
decayed base, the axis and lower leaf bases being clearly expos 
