12 Bikanaler. Han siger: “I öfre delen af nedra skaft- 
ansvillningen finna vi jemte de fyra hufvudkanalerna tolf 
mindre långsgående bikanaler, hvilka omslutas af de diko- 
miskt klufna septa, der dessa förena sig med skaftvåggen.* 
Tegningen, som ledsager denne Beskrivelse, viser ogsaa 
tydeligt denne dikotomiske Deling af Septa; men det er 
en Misforstaaelse, naar det antages, at derved fremkomme 
Længdekanaler paa dette Sted. I vore Figurer 30 og 31 
er denne Deling af de 4 Septa henimod Coenenechymvæg- 
gen fremstillet; men Delingen tortsættes eller rettere for- 
grener sig og gaar over i det Maskenet, hvoraf Tverkanaler 
i det hyaline Bindevæv dannes, Fig. 31 d. Langsgaaende 
Bikanaler til de 4 Hovedkanaler findes ikke; det er kun 
rummeligere Tverkanaler, som findes paa de Steder, hvor 
Septa udgaa fra Coenenchymet, hvilke Lindahl visselig 
ogsaa vilde have erkjendt som saadanne, om han havde 
havt Anledning til at udstrække den anatomiske Undersø- 
gelse noget videre. 
Stokkens Coenenchym er paa de forskjellige Steder 
mere eller mindre tykt. I den bulbøse Del er det 3 -4”” 
tykt og svampet; paa det smaleste Parti af Stilken er det 
knapt 1””, og paa den skedeformige Udvidning er det paa 
Ventralsiden endnu meget tyndere, Fig. 30 h, imedens det 
paa Dorsalsiden er meget tykt, 5—6””, Fig. 30, f; lignende 
Forhold finder ogsaa Sted ved Rachis; men om end Tyk- 
kelsen er forskjellig, saa er dog den mdre Struktur ens 
overalt. 
Coenenehymets ydre Flade er overalt tapetseret med 
et temmelig tykt Epithel (Ectoderm), bestaaende af flere 
Lag polyædriske Celler, 0,008”” brede med en stor, rund 
Kjerne og finkornet Protoplasmaindhold, Fig. 37 a, 38 a, 
39 a, 40 a; imellem disse polyædriske Celler sees ogsaa 
mere aflange Celler af omtrent samme Størrelse. Omegivet 
af Eetodermet og ligesom nedsænket 1 dette iagttages en 
overordentlig, stor Mengde temmelig klare, aflange Legemer, 
som vi antage for encellede Slimkjertler. De ere aflange, 0,040” 
lange, 0,024”” brede. Kjernen er stor, aflang, 0,008 lang, 
0,006 bred, Fig. 37, b. 38, b. 39, b. 40,6; de have en noget 
forskjellig Storrelse paa de forskjellige Steder, ligesom de 
i Regelen ligge enkeltvis; men nede paa den bulbøse Del 
ligge de tildels som Drueklaser, og da kunne de være stun- 
dom mere runde, stundom mere aflange, Fig. 41. Den 
Omstændighed, at disse encellede Kjertler ere noget ned- 
sænkede i Epithelet, giver Overtladen ved mikroskopisk 
Undersøgelse Udseende af et Net, 1 hvis Masker Kjert- 
lerne ligge, Tab. X, Fig. 59. De ere i naturlig Tilstand 
næsten vandklare og have en temmelig tynd Membran, 
ligesom mange ere uden Kjerne, saa vi længe vare i Tvivl 
om, hvortil vi skulle henføre disse Legemer; men ved 
Farvning med Jodgrønt viste de sig aabenbart som Cel- 
ler; den store, aflange Kjerne traadte tydeligt frem, et 
yderst finkornet Indhold, der omgav Kjernen, var grøn- 
farvet, og endelig saaes paa enkelte en tydelig Udførsels- 
gang, hvis Aabning var traktformig, Fig. 38, c. Disse 
Kjertler findes overalt, ikke alene paa Stokken, men som 
45 
*In the 
upper part of the lower shaft enlargement, we find, besides 
the four main canals, twelve smaller longitudinal branch 
still, other 12 duetiferous branches. He says: 
ducts, which are enclosed by the dichotomously divided 
septa, where these attach themselves to the wall of the 
shaft.“ The illustration which accompanies the description 
shows, also, distinctly, this dichotomous division of the 
septa, but, it is a misunderstanding, when it is assumed that 
longitudinal canals are thereby produced in this situation. 
In our illustrations (figs. 30 and 31), this division of the 
4 septa in proximity to the wall of the sarcosoma is re- 
presented, but the division is continued, or rather, ramifies, 
and passes into the reticulation, which forms the trans- 
verse ducts in the hyaloid connective tissue (fig. 31, d). 
The longitudinal ductiferous branches to the 4 main canals 
are not found; it is, only, wider transverse canals, which 
are found in the situations, where septa issue from the 
sarcosoma; and this, Lindahl would certainly have also 
ackowledged to be the case, if he had had opportunity to 
extend the anatomical examination somewhat further. 
«The sarcosoma of the stalk is more or less thick in 
It is 3—4”” thick in the bulbous 
part, and spongy; at the narrowest part of the stem, it is 
barely 1”” thick, and on the ventral side of the sheath 
formed dilation it is still thinner, (fig. 30, h) whilst, upon 
the dorsal side it is very thick, 5—6”” (fig. 30, f). A 
similar relation is also found in the rachis, but, although, the 
the various situations. 
thickness is variable, the inner structure is everywhere 
alike. 
The sarcosoma’s exterior surface is, everywhere, coated 
with a rather thick epithelium (Ectoderm), consisting of 
several layers of polyhedrous cells, 0,008”” in breadth, 
containing a large round nucleus and minute granular pro- 
toplasma (figs. 37, a. 38, a. 39, a. 40, a.). Between these 
polyhedrous cells, more oblong cells, but of the same size are 
observable. Surrounded by the ectoderm, and embedded; as it 
were, in it, a very large number of rather clear, oblong 
bodies are observed, and these; we suppose to be single-celled 
mucous glands. They are oblong 0,040” long and 0,024” 
broad. The nucleus is large, and oblong, and measures 
0,008”” long, and 0,006”” broad (figs. 37,0. 38, b. 39, b. 40, b.). 
They have a somewhat varying size in the different situations; 
whilst, as a rule, they are also situated singly; but, down in 
the bulbous part, they are found situated, partly, like clusters 
of grapes, and can then, occasionally, appear more round, 
occasionally, more oblong (fig. 41).. The circumstance that 
these single-celled glands are somewhat depressed in the 
epithelium, imports a reticulated appearance to the surface, 
when observed under the microscope; the glands being 
situated in the meshes of the reticulation (Pl. X fig. 59). 
In the natural state, they are almost as clear as water, and 
have a rather thin membrane, whilst, also, many appear 
without nucleus, so, that for a long time, we were in doubt 
what to consider these bodies; but, on being coloured with 
iodine-green they proved themselves, indisputably, to be cells. 
The large, oblong nucleus came prominently out; and an 
extremely minute granular substance which surrounded the 
