NOTICES OF BOOKS AND MEMOIRS. 61 



shown. Armeria sibirica, Turcz., of * Kevised List' is reduced to a 

 variety oi maritima. Plantayo media, L., doubted by Babington, is 

 given on the authority of Steenstrup. Atriplex Babingtonii, Woods, 

 var. virescens, Lange, Fl. Dan. 2713, is given. Of Callitriche venia, 

 Kiitz. (?), a var. ccespitosa, Schultz, is given. Betula odorata, Bechst., 

 var. Friesii, Kegel, of the ' Eevised List,' becomes var. tortuosa, 

 Eegel. Salix arbuscula, L., accepted in ' Eevised List,' is expunged. 

 S, sarmentacea, Fr., which is only mentioned in 'Eevised List,' is 

 here numbered with the other species. Juniperus nana, Willd., is 

 named J. alpina, Clus. Platanthera Koenigii, Lind., of the 

 ' Eevised List' is here expunged. Juncus arcticus, Willd., doubted 

 by Babington, and in the ' Eevised List,' is now given as of Prof. 

 Lange's determination. Tojieldia borealis, Wahl., is given ; 

 Babington says it is the plant of Hudson, and his name is much 

 older. Triglochin maritimum, L., doubted in the ' Eevised List,' is 

 numbered. Potamogeton " lanceolatus, Sm,," of Babiugton's list is 

 a form of riifescens (I. Carroll in Herb. Brit. Mus. !) much resem- 

 bling P. nigrescens, Fries. P. marinus, L. (jiliformis, Nolte), is 

 given, but P.pectinatus is omitted ; both are accepted by Babington. 

 Carex /estiva, Dew^ey (La^Dland and Finmark), C. turfosa, Fries 

 (Sw^eden), C. salina, Wahl. (Sweden, Norway, Lapland, and 

 Finland), C. aquatilis, Wahl., foDiia minor, and C. glauca, Sm., 

 are new to Iceland. C. salina is not given by Fries as Swedish, 

 but I have a specimen gathered in that country. Alopecurus 

 fuluiis, Sm., new to Iceland. Agrostis canina, L., is accepted by 

 Babington, doubted in ' Eevised List,' and now numbered in the 

 ' Flora.' Glyceria distans, Wahl., is new from Iceland, as 

 Groenlund considered the plant given as such by Babington to 

 be his G. conferta, Fries: this latter is now correctly named 

 G. Borreri, Bab. Festuca duriuscula, L., doubted in the * Eevised 

 List,' is numbered in the 'Flora.' F. arenaria, Osb., is reduced 

 to a variety of F. rubra. 



Lists only are given of the Mosses, Hepaticae, Lichens, Characes 

 (1), Algae, Fungi. The following summary (p. 154) gives the 

 results of Groenlund's work : — 



878 222 



Taking the three lists — Babington's, the ' Eevised List,' and 

 * Flora ' of Groenlund — as representing Icelandic Botany, it is still 

 evident that much remains to be done to clear up many questions 

 of plant-names, the doubtful species forming a very large per- 

 centage of the whole number. 



A. B. 



