| 1 |
Plants
attached, more or less erect |
3
|
| 1 |
Plants matted, entangled, or somewhat detahed, forming masses
in rocks or tide pools |
2
|
| 2 |
Filaments
80 - 150µ diam., rather loosely entangled |
C.
expansa
|
| 2 |
Filaments
60 - 80 µ diam., notably curled and more closely entangled |
C.
crispua
|
| 3. |
Plants
coarse andr rather stiff, with the main filaments exceeding 300
µ diam. |
4
|
| 3. |
Plants
softer and usually more delicate |
6
|
| 4. |
Plants
loosely branched, bright gree |
C.
catenifera
|
| 4. |
Plants
closely branched, blackening when dried |
5
|
| 5. |
Branchlets
fasciculate and plants bushy |
|
| 5. |
Branchlets
not fasciculate, often curved to one side, the plants somewhat
cushionlike |
C.
fuliginosa
|
| 6. |
Branchlets
distinctly clustered, the main axes over 200µ diam. |
|
