BOTANY 



RHODOMELACEJE (continued) 

 Heterosiphonia coccinea, Falk. 



var. tenuis, J. Ag. Padstow, Lizard 

 var. squarrosa, Harv. Whltsand Bay 

 Dasya arbuscula, C. Ag. Padstow, Fa/- 

 mouth, Lizard, Land's End, Scilly 

 hies 



ocellata, Harv. Torpoint, Looe, Pad- 



stow, Fa/mouth, Penzance 

 CERAMIACE.S: 



Spondylothamnion *multifidum ) Nag. Tor- 

 point, Looe, Padstow, Falmouth, Pen- 

 zance 



var. pilifera, C. Ag. Fowey 

 Spermothamnion Turneri, Aresch. Pad- 

 stow, Fa/mouth, Lizard 

 f. repens, Le Jol. Padstow 



barbatum, Born. Penzance 



var. mesocarpum, Batt. Fa/mouth 

 Trailliella *intricata, Batt. Fa/mouth 

 Ptilothamnion *pluma, Thur. Looe, Prid- 



mouth, Penzance 



Griffithsia corallina, C. Ag. Torpoint, Fal- 

 mouth, Penzance 



*Devoniensis, Harv. Torpoint, Mount 



Edgcumbe 



setacea, C. Ag. Torpoint, Falmouth, 



Penzance 

 Halurus equisetifolius, Ktltz. Padstow, 



Falmouth, Penzance, Land's End 

 *var simplicifilum, Harv. Boscastle 

 Bornetia secundiflora, Thur. Scilly Isles 

 Monospora pedicillata, Solier. Fowey, Pad- 

 stow, Falmouth, Penzance, Scilly Isles 

 f. comosa, Holm. & Batt. Falmouth 



clavata, J. Ag. Padstow, Falmouth 

 Pleonosporium *Borreri, Nag. Torpoint, 



Looe, Padstow, Falmouth, Sennen 

 Cove 



f. fasciculatum, Holm. & Batt. Pad- 

 stow 



Rhodochorton Rothii, Nag. Padstow, Fal- 

 mouth, Penzance 



floridulum, Nag. Padstow, Falmouth, 



Penzance 



Callithamnion *tenuissimum, Kutz. St. 

 Germans River, Padstow, Newquay, 

 Falmouth, Lizard, H. 54 



roseum, Harv. Torpoint, Looe, Pad- 



stow, Falmouth, Penzance, Scilly Isles 



*Dudresnayi, Crn. Torpoint 



Hookeri, C. Ag. Fowey, Looe, Fal- 



mouth, Penzance 



*Brodiasi, Harv. Par, Falmouth, Pen- 



zance 



*tetricum, C. Ag. Padstow, Falmouth, 



Lizard, Penzance, Scilly Isles 



granulatum, C. Ag. Looe, Padstow, 



Pridmouth, Falmouth, Penzance, Sen- 

 nen Cove, Scilly Isles 



CERAMIACE^E (continued) 



Callithamnion byssoides, Arn. Torpoint, 

 Boscastle, Falmouth, Lizard, Penzance 

 f. seirosporifera, Holm. & Batt. Tor- 

 point 

 Seirospora *Griffithsiana, Harv. Torpoint, 



Whitsand Bay, Padstow 

 f. versicolor, Holm. & Batt. Torpoint 

 Compsothamnion *thuyoides, Schmitz. 

 Mount Edgcumbe, Trebetherick, Fowey, 

 Boscastle, Padstow, Falmouth, Land's 

 End 



*gracillimum, Schmitz. Torpoint, Fal- 



mouth (rare) 



*decompositum, Crn. Falmouth 

 Plumaria elegans, Schmitz. Padstow, Fal- 

 mouth, Penzance 



Ptilota plumosa, C. Ag. Falmouth 

 Antithamnion *cruciatum, Nag. Looe, 

 Lizard 



Plumula, Thur., var. crispa, J. Ag. 



Torpoint, Padstow, Falmouth, Pen- 

 zance 



Hymenoclonium *serpens, Batt. Mount 

 Edgcumbe 



Crouania *attenuata, J. Ag. Falmouth, 

 Penzance, Scilly Isles 



Spyridia filamentosa, Harv. Penzance 



Ceramiurti gracillimum, Harv. 



*fastigiatum, Harv. Penzance, Tor- 



point 



tenuissimum, J. Ag. Pridmouth, Looe, 



Padstow, Penzance 



Deslongchampsii, Chauv. Torpoint 



strictum, Harv. Pridmouth, Padstow, 



Falmouth, Penzance 



var. delicatum, J. Ag. Cornwall 

 (Batters' Catalog, p. 90) 



diaphanum, Roth. Padstow, Falmouth, 



Penzance 



circinnatum, J. Ag. Looe, Wkitsand 



Bay, Padstow 



arborescens, J. Ag. Mount Edgcumbe 



Crouanianum, J. Ag. Falmouth 



*pennatum, Crn. Torpoint, Looe, Prid- 



mouth, Constantine Bay, Falmouth 



echionotum, J. Ag. Looe, Padstow, 



Falmouth, Penzance, Scilly Isles 



acanthonotum, Carm. Padstow, Fal- 



mouth, Penzance 



ciliatum, J. Ag. Fowey, Padstow, Pen- 



zance, Scilly Isles 



*flabelligerum, J. Ag. Padstow, Looe, 



Falmouth, Penzance 



Microcladia *glandulosa, Grev. Pridmouth, 

 Falmouth, Penzance, Scilly Isles, H. 

 88 

 GLCEOSIPHONIACEJE 



Gloeosiphonia *capillaris, Carm. Falmouth, 

 Lizard, Penzance 



12 



