Sunday, January 16, 2011

Fissidens bryoides



- commonly grows on rocks
- can see the sporophyte in the first picture
  - one capsule is open & you can see the red, toothed peristome
   - red spores can be seen by shining light on the capsule

Dicranum viride







- "viride" coming from the Latin word for green
- found commonly growing on trees
- leafs tips are very fragile, come off easily

Dicranum undulatum



This specimen did not preserve well, but hopefully these pictures are still helpful!

- undulate (wavy) leaves
- tomentose [wooly, densely radiculose (covered with rhizoids)]

Brotherella recurvans







- secund (turned to one side) leaf tips
- stem & branch leaves similar
- very shiny, green, yellow, or golden plants
- plant typically has flattened appearance
- inflated alar (basal) cells:
- about 4-8 cells at the basal angles conspicuously inflated and yellowish in a single transverse row, with 1-2 or more rows of moderately inflated, usually hyaline (colorless & transparent) cells above them

Rhizomnium appalachium



- leaves are very large!! (> 7mm)
- cells can be seen even without the help of a microscope

Diphyscium foliosum




Commonly referred to as "Rabbit-in-the-Grass", this cute little moss is one of my favorites! 

- awn coming up from costae of leaves
- toothed peristome on sporophyte, which is very inflated

Orthotrichum anomalum


Branch leaves:
- costa ending slightly below the apex
- upper leaf cells
  - fairly straight rows
  - irregularly rounded-hexagonal
   - incrassate (thickened)
    - pluri-papillose on both surfaces
- lower (basal) leaf cells
  - rectangular, smooth, pale; somewhat incrassate

Hypnum imponens