354 THE BOTANICAL EXCHANGE CLUB OF THE BRITISH iSLES. 



Aira Brigantiaca Chaix, nomen nudum. The English habitat for 

 Festuca dumetorum is omitted. It is kept as a distant species from F. 

 rubra, and has under it as a race F. arenaria Osbeck. F. ovina 

 has F. supina as a race and F. capillata Lam. (the tenuiflora Sibth.) 

 as a sub-species. F. duriuscula L. is also a distinct species. The 

 genus Serrafalcus is kept distinct from Bromus. S. secalinus has as 

 vars. submuticus (Reichb.) elongatus (Gaud.) Rouy, polyanthos (Beck.) 

 Rouy, with S. grossus, S. Gmelini and S. Billoti as races. The hairy 

 variety of S. arvensis is called S. Duvali Rouy. S. racemosus and S. 

 commutatus are kept as distinct species. S. mollis is retained (instead 

 of S. hordeaceus) with var. microstachys, and sub-sp. S. Thomini 

 (the latter our var. Thomini (Breb.). The race S. Ferroni Rouy (B. 

 mollis var. compactus Breb.) is said to be English. S. Lloydianus 

 Gren. k Godr. is kept distinct, but Serrafalcus interruptus Druce = 

 Bromus interruptus is not given for France. S. patulus is given not- 

 withstanding Serrafalcus japonicus (Thunb.) retains the earliest trivial. 

 Bromus asper var. vermis Crepin Man. Belg. ed. 5, 440, is given for 

 B. Benekeni Syme. Poa supina Schrad. is kept distinct from P. 

 annua, the character * plante vivace ' distinguishing it. A race, P. 

 exilis Murbeck appears to be the small cliff plant of the Channel 

 Islands. P. nemoralis has 5 races, P. miliacea DC. (montana Gaud.), 

 P. firmula S. F. Gray (given in the Nat. Arr. as a species), P. 

 caespitosa Poir. (includes glaucantha), and juncoides Gaud. P. com- 

 pressa has two varieties, umbrosa Beck, and collina Schur ; and a sub- 

 sp. P. Langana Reichb. which equals P. subcompressa Parn. is kept 

 distinct. Lolium perenne has a var. longiglume Grantzow and a 

 var. orgy ale Doell, with 10-12 flowered spikelets. L. italicum is called 

 by the older name L. Boucheanum Kunth. It is made a sub-sp. and 

 L. multiflorum is kept distinct. Agropyron caninum has three 

 varieties, majus, subtriflorus, and gracilius Lange. A. caesium Presl, 

 and its race A. littoreum are given as British. Poly podium vulgar e 

 has 7 varieties and a sub-sp. P. serratum with 3 varieties. Thelypteris 

 and Oreopteris are put in Newman's genus Hemesteum while Nephrod- 

 ium is still used to include Filix-mas. The var. acutum of Asplenium 

 Adiantum- nigrum is made a sub-species as A. Onopteris L. It certain- 

 ly seems at least to deserve that rank. Under Isoetes lacustre is given a 

 var. elatius Fliche Les Isoetes des Yosges 7, 1879, which appears 

 to be an earlier name for our /. lacustre var. Morei Syme. 



The fourteen volumes which this work has occupied are almost 



