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The structure and life-history ofAzolla pinnata R. Brown with remarks on the fossil history of the hydropterideæ

  • H. S. Rao
Article

Keywords

Apical Cell Tapetal Cell Ventral Lobe Absciss Layer Dorsal Lobe 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Explanations of plates Abbreviations Used

a

Point of attachment

ab

Absciss layer

a.mg.

Abortive megasporangium

ar

Archegonium

c

Collar around base of root

d.l.

Dorsal lobe of leaf

e

Endodermis

fl

Float

f.m.

Fragment of megaspore wall

h

Hair

h.a.

Hairy appendages

i.c.

Indusial cap

in

Involucre

m

Megaspore

ma

Massula

mg.w.

Megasporangial wall

mi

Microsporangium

m.p.

Male Prothallus

o.a.c.

Opening ofAnabæna cavity

p.

Pericycle

ph

Phloem

r

Root

r.h.

Root-hair

r.s.

Root-sheath

s

Stoma

st

Stem

th

Thickening

t.n.

Tapetal nucleus

v.l.

Ventral lobe of leaf

x

Xylem

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Copyright information

© Indian Academy of Sciences 1935

Authors and Affiliations

  • H. S. Rao
    • 1
  1. 1.Department of BotanyUniversity of LucknowLucknowIndia

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