FLORA OF ALDEKNEY. 147 



Sisymbrium thalianum, Gaud. On one part of the cliffs near La Quoire, 

 in good quantity. 



Linum USitatissimum, L. Several plants on a rubbish heap on the road- 

 side, Butes Hill, in 1901 and 1902. 

 Apium graveolens, L. Very sparingly on the side of a small streamlet 



above Platte Saline. 

 Galeopsis Tetrahit, L. One plant in a potato field at the upper part of St. 



Anne's, in August, 1901. 

 Chenopodium fleifolium, Sm. Roadside, Butes Hill, one plant, in 1901. 

 Cannabis sativa, L. Rubbish heap on Butes Hill, several plants in 1901. 

 OPChis moriO, L. Plentiful all over the upper part of Maunez Hill : one 



plant or. the Blaye, towards Rose Farm. 

 JunCUS eapitatUS, Weig. Small scattered patches in many places on the 



cliffs east of La Quoire. 

 Lemna triSUlea, L. Plentiful in Longy Pond ; easily accessible during the 



very dry summer of 1901, when the pond was nearly dried up. 

 Isoetes Hystrix, Bur. Abundant at the top of the cliffs to the east of La 



Quoire, over a space of about 100 yards, and on the slopes below. 



SEAWEEDS. 



*Dermoearpa prasina, Bom. Platte Saline, on Pok/sipkonia 

 *Hyella eaespitosa, Born, and Flak. Platte Saline, growing in the chalky 

 shell of a limpet. 



*Cal0thrix parasitica, Thur. Longy Bay ; between cortical cells of 

 Castagnea vi rescens. 



*Mastig , Oeoleus testarum, Lager. Platte Saline ; in shell of limpet, 

 *Ulva laetuea, Linn. Platte Saline. Corbelets. 



*BulbOCOleon piliferum, Brings. Longy Bay, creeping between cortical 

 cells of Leaihesia difformis: 



*Epieladia Flustrae, Rkc. Platte Saline. 



RhizOClonium tortUOSUm, Kutz. Longy Bay. Platte Saline. 

 *Cladophora serieea, Kutz. Platte Saline. 

 *C. uneialis, Harv. Brave Bay. 

 *C. glaueeseens, Griff. Platte Saline. 



C. albida, Kutz. Longy Bay. 



Codium adhaerens, c. Ag. Longy Bay. 



Punetaria latifolia, Grev. Platte Saline. Corbelets. 



Streblonema faseieulatum, Thur. Var Simp ex, Rke. Platte Saline, 



growing between the cortical filaments of Castagnea vi resents. Fort 



Houmet. in Leathesia. 



*Eetoearpus elandestinus, Sauv. Longy Bay. 



*E. Simplex, Cm. Brave Bay. 



*E. aretUS, Kutz. Braye Baye. Fort Houmet. on Zostera. 

 E. eonfervoides, Le Jol. Braye Bay. Fort Houmet, 



*Phloeospora (Eetoe.) braehiata, Bom. Platte Saline. 



*MyriotPiehia Clavaeformis, Harv. Longy Bay. Braye Bay. 



M. flliformis, Harv. Longy Bay. Braye Bay. 

 *AseoeyelUS sphaerophorus, Sauv. Braye Bay, on Ehodgmenia palmata. 

 *A. Orbicularis, Bke. Fort Houmet, 



*Heeatonema maeulans, Sauv. Longy Bay, on Polysiphonia fastigiata. 

 Fort Houmet and Platte Saline on Corallina. 



