NOTICES OF BOOKS AND MEMOIRS. 187 



classification. The author's i)rinciples lead him to separate the 

 vegetable kingdom into five princii3al divisions: — 1. Phanerogamia ; 

 2. Sckistogamia {=z Characecp oiolj) ; 3. ProthaJlogamia (^=^Yb,sgiiIb>v 

 Cryptogams ; 4. Brgogamia (== Miisci, &c.) ; 5. Gyrmiogamia 

 (= Cellular Cryi)togams.) 



The book is written in an attractive style, and though its 

 extent does not allow of a lengthy treatment, a number of subjects 

 seem to be touched upon in a very instructive and suggestive 

 manner. The figures are to a great extent original. H. T. 



In a recent instalment of his '* Contributions " (' Proc. American 

 Acad.,' xiii., 361), Prof. A. Gray gives a synopsis of the American 

 Elatines. The result of a careful examination of the existing 

 material has been the discovery of two new species named 

 E. brachysjjenna and E. californica. The same j)art contains two 

 new genera of AcanthacecE, Carlowrightia [=-- Schaueria linearifolia, 

 Torr.), ingeniously dedicated to the indefatigable explorer, Charles 

 Wright, and Ciatesia (= Justicia Idtevirens, Buckley), named after 

 Dr. Hezekiah Gates. There are also many new species of Astra- 

 galus described. 



Prof. Lange gives ('Videnskab. Medd. Naturhist.' Forening,' 

 Copenhagen, 1877), descrix}tions of some new species collected in 

 Sixain and Portugal in recent years, especially by Hackel and 

 Winkler in 1876. 



The parts of Bentley and Trimen's "Medicinal Plants" have 

 hitherto continued to be issued with regularity. Among the plants 

 described and figured in Parts 26 to 32 are these : — Aconitum ferox 

 and A. heterophyllmn, Gynocardia odorata, tiarcinia mdica and 

 G. Hanhurii, Galipea Ciisparia, Pilocarpus pemiatif alius , Citrus 

 Bergamia, Lens esculenta, Butea frondosa, Astragalus gummifer, 

 Liquidambar orientalis, Ferula Xarthe.v, Caruin Ajowan, Solenostemma 

 Argel, Tylophora asthmatica, Capsicum fastigiatum , Xectandra Rodicei, 

 Amomum Melegueta, Alpinia ojficinarum, Andropogon Nardus. 



Other New Books. — E. Kennedy, 'The Clydesdale Flora;' In 

 Memoriam (4th) edition, with an Appendix by K. H. Paterson. 

 (Hopkins, Glasgow, 1878, 3s. 6f/.)— W. R. McNab, ' Outlines of 

 Classification of Plants ' (London Science Class-Books ; London, 

 Longmans, 1878, Is. Qd.) — S. 0. Lindberg, ' Monographia Metz- 

 gericB,' (Helsingfors, 1877.) — Id., ' Utkast till en Naturlig Gruppering 

 af Europas bladmossor med toppsittande fi-ukt [Bryinm acrocarpm.y 

 (Helsingfors, 1878.) — E. J. Waring, ' Bibliothecatherapeutica,' vol.i. 

 (London, 1878, New Sydenham Society). — Capt. Sir G. S. Nares, 

 ' Narrative of a Voyage to the Polar Sea' [Appendix xiv. Botany, 

 by Sii' J. D. Hooker and others.] (Sampson Low, London, 1878). 



Articles in Journals. — April, 1878. 



Scottish Naturalist. — J. Stevenson, ' On Ptychogaster alhus.' — J. 

 Stu-ton, ' On certain Lichens belonging to the ;genus Parmelia" 

 (continued.) 



