670 Lang (William H.) : Studies in the development and morphology of 

 Cycadean sporangia. II. The ovule of Stangeria paradoxa (A. of B., 

 Vol. XIV, n° LIV, pp. 281-306, 2 pi.). 



671 Rothert (W.) : Die Krystallzellen der Pontederiaceen {B. Z., 58 e ann., 

 I e part., fasc. V-VI, pp. 75-106, 4 fig". dans le texte et 1 pi.). 



672 Rowlee (W. W.) and Susie P. Nichols : The taxinomie value of the 

 stamioaie flowers of some of the Oaks (B. G., Vol. XXIX, n° 5, pp. 353 

 356, 8 fig. dans le texte). 



673 Thomas (Ethel N.) : On the présence of vermiform nuclei in a Dicoty- 

 ledou [Caltha palustris] (A. of B., Vol. XIV, n° LIV, pp. 318-319). 



674 Worsdell (W. C.) : The vascular structure of the ovule of Cephalotaxus 

 {A. of B., Vol. XIV, n° LIV, pp. 317-318). 



Cryptogames vasculaires. 



675 Boodle (L. A.) : On the structure of the stem in two species of Lycopo- 

 dium {A. of B., Vol. XIV, n° LIV, pp. 315-317). 



675 bis Smith (R. Wilson) : The structure and development of the sporo- 

 phylls and sporangia of Isoetes \fin~\ {B. G., Vol. XXIX, n° 5, pp. 323- 

 346, 8 pi.). — Voir n° 550. 



Algues. 



'3- 1 ) 



676 Collins (F. S.) : Seaweds in winter (Rà., Vol. 2, n° 18, pp. 130-1; 



677 Mottier (David M.) : Nuclear and cell division in Dictyota dichotoma, 

 {A. of B., Vol. XIV, n° LIV, pp. 163-192, 1 pi.). 



Champignons. 



678 Barker (B. T. P.) : A fragrant « Mycoderma » Yeast, Sacckaromyces 

 anomalus [Hansen] (A. of. B., Vol. XIV, n° LIV, pp. 215-2:4, 1 pi.). 



679 Davis (Bradley Moore) : The fertilization of Albugo candida {B. G., 

 Vol. XXIX, n° 5, pp. 297-311, 1 pi.). 



680 Dawson (Maria) : On the biology of Poronia punctata (L.) (A. of B., 

 Vol. XIV, n° LIV, pp. 245-262, 2 pi.). 



681 Hasselbring (H.) : Comparative study of the development of Trickurus 

 spiralis and Stysanus Stemonites {B. G., Vol XXIX, n°5, pp. 312-322, 

 2 pi.). 



682 Riley (Wm. A.) : Variations in the maturing of Plowrightia morbosa 

 spores {B. T. C, Vol. 27, n° 5, pp. 287-288). 



683 Stahl (E.) : Der Sinn der Mycorhizenbildung. Eine vergleichend-biolo- 

 gische Studie (/. w. B., t. XXXIV, fasc. 4, pp. 539-668, 2 fig. dans le 

 texte). 



684 Wager (Harold) : On the fertilization of Peronospora parasitica {A. of 

 B., Vol. XIV, n° LIV, pp. 263-279, 1 pi.). 



