So the inner structure of the stem in five species of Leucobryaceae is observed from this point of view

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Sci. Rep. Kanazawa Univ.， Vol. 25， No. 1， pp. 31‑42 June 1980

Systematic Studies on the Conducting Tissue of the Gametophyte in Musci

(11) Anatomical Characteristics of Stems in Some Species of Leucobryaceae Isawo KAWAI

DejJartment 01 Biology， Faculty 01 Science， Kanazawa University (Received Apri1 30， 1980)

Abstract The inner structures of the stem in five species of Leucobryaceae are observed， and the stems of the five species show the same types in some characteristics. (Q‑L

seen among some of the anatomical characteristics of the stem in cross and longitudinal s巴ctio叩nsas i加nAmb削ly拘st句eg到iaceaeand Dicran凶aac巴ae. They are the type of interior differentiation of the stem (111 and IV types)， comparison of the size of the cells of the hadrom and that of the cells of the leptom (M and N types)， shape of cells of the hadrom (HRE and HRH types)， comparative thickness of the cell walls and the septum (end walls) of the hadrom (HSI and HTN types)， and the comparative length of cells'of the hadro.m and the epidermis (H2A， H1.5A and HA types. These characteristics appear to be important in lacating regularity among anatomical characteristics.

Introduction

As a result of observation of the various characteristics of the stem in Amblystegiaceae and Dicranaceae， some regularity can be seen among some of the anatomical characteristics of the stem in cross and longitudinal sections， that is， the type of interior differentiation of the stem， comparison of the size of the cells of the hadrom and that of the cells of the leptom， shape of cells of the hadrom， comparative thickness of the cell walls and the septum (end walls) of the hadrom， and the comparative length of cells of the hadrom and the epidermis. So the inner structure of the stem in five species of Leucobryaceae is observed from this point of view.

Materials and Methods

The materials used for this research are composed of specimens of mosses collected 31 ‑

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32 18(1'¥1'¥70 KAVF !-:\~

m All tI1e studled arε in the Nloss Herbac:ium of Kanaczawa University^園

C.IVIuELL.: IVlie IVIie (3'/337)。五:um.amoto The hard fnosses ^冒eboiled in vlater for about an 11ou1' in 寸e1'to

tissue rrom The inner structmめ色of the stem i8 studied from transverse sections and

ana

sectH)nS t!uckness of fiγe micrαns. Gentian acid fuchsin iodide iodinεare used for anatmnical

ObSB!l"mtimu^l^'^l^'ⁱjjul DisCilJ3S!O.H

j\11l ~1tûrrQÍcal Cha.1t'acteris1cies in SteYiH. Cror5s Se ，~-U~fH1. g

The inn町 structuresof the sterτin five spεcies of こeaeare observecL 111 a11 the dealt vvith in this paper， thをsternsof each show the same Qf the ceH 'cvalls of the l1adrom ^←tn叫.In LACo，

lVIitt. and ie:aori BTI:SCE.， the stems show dHferentiation of tissues iI1to an enidermis， cortey:.. le1JtOII， ând a^hâ^d^rô^rⁿOln tV1Je)， and the ceIls of the hadrom are .as as those of the rv'I!TT. and

tb.e st^合rns当ho^てV予W^イJ舟 adi.ffeαr^{州モ唱}

sh涜e回♂a也¥l:出f， am吋:da hadrοm了'D刊(1γtypコe引)， and the cells of the types. !n tile stems of the other four the hadrom is

rnatous

l~S stat♂dョ som記 canbe seen among thεanatomical cbaracteristics here EsteeL That the type of interior differentiation of the stem and

thickness of the cell walls of the hadnコm and of the the si:a of the ceHs of the hadrom and that of thさcellsof the antl tVl児s};and the thickness of the cel1 Wctlls of the hadrom and S to b θ m an

IlL Amatomical Charaoeter!stics AlI th骨

A3 a result吋 the follO'1vinぽcharoderIstics are selected; the

。^ft^h^e

bNice the

of each tissues as the ratio to tha :iof the

tl1日 sig^{泊、} A" ，) the ^吃 ofthe ceil thεthiclmεss of the ratio to th，"t of the scabγ L A ，.cthe

lVIIでf.， CJ¥/i UELL. ， as

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$:vstenzalic Stud?:eιon the urnmu'u仇，f，Jl 33

‑hZ4

JF UL

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'f'a"b; 2 Obs告rvation th己引は '~orn:kal char品cterist1csfnιhe longituc1inal s合ctionoi the in fi v号s:tJeciesof Leucubryac号ae

C: Cort号Xy L~ LeptO!]1^j H 日.2~drom9 E Epid日rnl13~ RE Rectangular， Rト RJl'urnbic，Si 'Theωturn is 8.8 thick asξ 日 τ N 'fhe septulTI 1:S thinner than tl1e longHud.inal Via; ，]3.

Tab. 3 .t¥frl.nity :regardin.g the a口 aton~_:lcaI char21cter九 h1tnf";し.rossaコ己 longltuejnalsecti0i1S:. 'tI1e sterD

111: 日ョdrorn~:L L告ptonl.， CortexJ A Length of the告 cells， :Tτ出口口巴む .S! Sbnllar， RE R母ctangular^y 81‑1 Rhomblc

じ"₁_‑_._:_:_:_:_._.

{印m

以内4

U4 0 同﹀

‑割引

bfH

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S:vste丹羽 Stu{l'it2‑‑>;;on the Co'nducti;tzg 'Tissue textori and

、，‑

.1，:;)

the septurn of the hadrOITi is as rhick as the vertic忍Icell v!al1s of the hadrom.

but in neilehe'rrensel t h ε o f the hadrorn i8 H TN type. .And Lθuco

λ;t"ori h郎氏 :stεms with hadror¥1 are rhombic

IHo Regarditui'?，' the Amrto町~jca! Chara.cter~.stics 8!fj暗n ~，n t1lTie Cll~ÜlS自l:111 d!

SreCHOJiUl

some of tIle charad日

flstlC.S

hadrom Ohs the 仁 eH~ì ot tJ1C Il;:Hjrom are large as thO(，ie uf the and the septmDの1d of thεhadrom 1S as tbick as the verticalεU wa1l8 of th^ピ hadrorn(Hm tvr的 ' 1'hら::Jtems()f

'

sI1eath emd a hadrOl11

。^j

m

or the hadrom is HTN type^。

In the stems of ^忠 can bεse.cn arnon.:J.?: so(~ne 心f tIle anatomic:?J characteristics of the st行 inc，ross and longit11di，n，al ~~，ectl.üns. ;'rhev are t}le

心II11terior differentiation of th^{忠告}tem and rv of the 8iz日of the celb ()f the hadrorn with that of tlle celI" of the ()I 七ellsof h日drom andHp.u thickne::古今ot'the日11wallsτwith th府

of th，~ hadrorn anu (:h日 Hlぷ andH，¥c

vvhich 日伝 regularity ha.s 1:ヒeCl.l. obs合必d also in tJH^う "tems ()f app:2ar t'u "be in

chaf正にier.Jstic:.s

1?，tfer同nee悩

t)i ceHs amoれg and of th日日:3sen'cbl

/l""NDt~:E"/V:;~;) T..L 09.47) T'axcn.ornic nütf=~:;. f::. Th c:LeuιGbrYRc.eae. Br:yolofost SO . 319‑J26.

BOV~TERS. (1968) Ti c:.;tot&:KOn.ol1.':つstllcyofゴ1日g':0nuslkJTl.訂悦 in':'::010在do.n:日γ.Eryヮ1.et Lich日L101 : 167‑^，^/;02

P.A. ，] F'LOR'.SCH1JTむ工;乙 WAsSD(1^ヨ^'^{^，4.iStcdi他心口仁つ:oE';bis仁日H1;::;.^ぷ

¥/8.r吋'j託，t^吠t^悦1口1^れ1ι t ^'^己^づ^:^ゴ^力h2l^心孔PヨIに¥立心C:こιβ^己t'3J 口iお5^ヨ^川l'^比th}九包弘~'l口勺Ci汁ic日^I口1^わ^芦^光et^，^仁i'吋仕suC イC二rγrワ小ら，'::T:勺ヤ1^り^び^υ 38: 111一IHι^a