672 SUMMARY OF CURRENT RESEARCHES RELATING TO 



to study woods from practical and economic points of view. The special 

 portion comprises a systematically arranged description of the woods. 

 The arrangement is that of Bentham and Hooker's Genera Plantarurn. 

 In each case the common and the botanical names of the wood are fol- 

 lowed by the name of the natural order. A few synonyms are cited, the 

 source of supply is given, and also a number of " alternative " common 

 names. The physical characters, the grain and bark are described ; its 

 uses are mentioned, and references are given to various authorities. 

 Then follows a more detailed description of the anatomical characters of 

 the wood in transverse, radial, and tangential section, so far as they are 

 visible to the naked eye, or an ordinary hand lens. All the genera men- 

 tioned are with few exceptions represented by photomicrographs, which 

 have been prepared by Mr. Arthur Deane. The scale of magnification 

 is three times the actual size, and is designed to show the appearance of 

 the transverse section as seen by means of an ordinary hand lens. 



Carlo Allioni.*— In commemoration of the centenary of the death 

 of this Italian botanist (born 1728, died 1804) 0. Mattirolo gives a 

 systematised account of his works, both published and manuscript, fol- 

 lowed by an enumeration of the genera and species published by him. 

 Allioni was the author of several important works on the botany of 

 northern Italy, including the Flora Pedemontana, comprising three 

 large volumes and 92 plates. He also published a small work on palaeon- 

 tology entitled "Orydographice Pedemontana^ specimen, exhibens corpora 

 fossilia terrce adventita," besides various medical and a few zoological 

 works. The paper is accompanied by photographic reproductions of a 

 portrait and a bust at Turin. 



Alexis Millardet.|— U. Gayon and C. Sauvageau give an account of 

 the life and work of this French botanist (1838-1902), who for five and 

 twenty years occupied the chair of botany at Bordeaux. Millardet's 

 work falls into two categories ; that of pure botany, chiefly cryptogamic 

 and cytological, and that of viticulture. To the latter he contributed 

 invaluable researches on the relation of the Phylloxera to the vine, and the 

 possibility of establishing disease-resisting varieties in Europe, and also 

 on the fungal diseases of the plant. The notice concludes with a chrono- 

 logically arranged list of his papers, 141 in number. 



CRYPTOGAMS. 



Pteridophyta. 



Bernard, C. — A propos d'Azolla. (Concerning Azolla.) 



Bee. Trav. Bot. Nterland., i. (1904) pp. 10-14 (1 pi. and figs.). 



Boodle, L. A. — On the occurrence of secondary Xylem in Psilotnm. 



Ann. Bot., xviii. (1904) pp. 504-17 (1 pi. and figs, in text). 



Btjrck, \V. — Sur quelques formes du Polystichum acnleatum de l'Archipel Malais 

 et sur un caractere special et peu connu de cette espece. (On some forms of 

 P. aculeatum in the Malay Archipelago and on a special and little known 

 characteristic of this species.) Bee. Trav. Bot. Ne'erland., i. (1904) pp. 33-49. 



* Malpighia, xviii. (1904) pp. 213-92 (2 pis.). 



T Mem. Soc. Sci. Phys. et Nat. Bordeaux, se'r. 6, iii. (1903) pp. ix.-xlvii. (with 

 ograph). 



