The Scottish Naturalist. 1 13 



473. dilatatum Desv., B. Common. 



var. alpinum, B. Orphir and Stenness. 



474. semulum Baker., B. Not uncommon in Orphir and the 



South Isles. 



475. oreopteris Desv., B. Orphir and Hoy. Rather rare. 



Ophioglossum L. 



476. vulgatum L. 



b. ambiguum, B. Rather common in several places in 

 Orphir, Cava, Calf of Cava, Ryssa Little, Flotta 

 Calf, Hunda, Linksness Hoy, and Eday. No 

 doubt elsewhere. 



BOTRYCHIUM Sw. 



477. Lunaria Sw., B. Westness, Hobbister, Viera, H. Clestran. 



Standing Stones. Stenness, D. Hunda, 1882. Several 

 places in Orphir. Probably not uncommon. Usually 

 broken over by cattle after the middle of June. 



LYCOPODIACE^E. 

 Lycopodium L. 



478. clavatum L., B. The Mainland, Hoy, and Rousay. Com- 



mon, but less so than formerly, owing to the increase of 

 cultivation. 



479. Annotinum L. Berriedale. Hoy, B. Hoy in several 



places, H. Local. 



480. alpinum L., B. Hoy, Orphir, Rousay. Local. 



481. inundatum L. " Near Pegal burn, Walls, 1848," H. 



482. Selago L., B. Common. 



Selaginella Beauv. 



483. Selaginoides Gray, B. Common. 



Isoetes L. 



484. lacustris L. Rousay, Orphir, &c, H. Carness D. Doubtful. 



Dr. Boswell remarks, "Likely only Littorella." 



EQUISBTACBJE. 

 Equisetum L. 



485. arvense L., B. Common. 



486. sylvaticum L., B. Rather locah 



487. palustre L., B. Common. 



488. limosum L., B. Common. 



CHARACEiE. 



Char a Ag. 



489. fragilis Desv. 



* var. delicatula. Plentiful round the shores of Loch 

 of H array. 



* Named by Messrs. Henry and James Groves. 



H 



