植物學(xué)第五章蕨類第三四五六節(jié)ppt課件

1、1/17Chapter 5. PteridophytaDichotomous Branching SEM photo of a Lycopod SAM Long Section of a Lycopod SAM: Note the presence of several large Initials at the summit of the stem. Simple Stele from a Lycopod Root 2/17Chapter 5. PteridophytaCross section of a Lycopodium Microphyll: Note the uniform (un

2、specialized) Mesophyll and the Cuticle. Stomata are visible on the upper side of the leaf. The Leaf Traces are small Vascular Bundles which diverge from the central stele and connect with the vein in the leaf. This produces an integrated vascular system that include the three major vegetative organs

3、.3/17Chapter 5. PteridophytaLycopodium4/17Chapter 5. Pteridophyta5/17Chapter 5. Pteridophyta6/17Chapter 5. Pteridophyta7/17Chapter 5. PteridophytaLycopodium8/17Chapter 5. Pteridophyta9/17Chapter 5. Pteridophyta10/17Chapter 5. Pteridophyta11/17Chapter 5. Pteridophyta12/17Chapter 5. Pteridophyta13/17C

4、hapter 5. Pteridophyta14/17Chapter 5. Pteridophyta15/17Chapter 5. Pteridophyta16/17Chapter 5. Pteridophyta17/17Chapter 5. Pteridophyta18/17Chapter 5. Pteridophyta19/17Chapter 5. Pteridophyta20/17Chapter 5. Pteridophyta21/17Chapter 5. Pteridophytaquillwort22/17Chapter 5. Pteridophyta23/17Chapter 5. P

5、teridophyta24/17Chapter 5. Pteridophyta25/17Chapter 5. Pteridophyta26/17Chapter 5. Pteridophyta27/17Chapter 5. Pteridophyta28/17Chapter 5. Pteridophyta29/17Chapter 5. Pteridophyta松葉蕨Psilotum nudum的孢子體及生境。30/17Chapter 5. PteridophytaPsilotum Aerial Stem spread out to show the Dichotomous Branching. 3

6、1/17Chapter 5. Pteridophyta32/17Chapter 5. Pteridophyta33/17Chapter 5. Pteridophyta34/17Chapter 5. Pteridophyta35/17Chapter 5. Pteridophyta36/17Chapter 5. Pteridophyta37/17Chapter 5. Pteridophyta38/17Chapter 5. Pteridophyta39/17Chapter 5. Pteridophyta40/17Chapter 5. Pteridophyta41/17Chapter 5. Pteridophyta42/17Chapter 5. Pteridophyta43/17Chapter 5.