Notes and Brief Articles 



115 



for November, 1920, F. L. Stevens describes Lino sp or a tricho- 

 stigmae, on Trichostigma octandra ; Trabutia portoricensis, on 

 Cocolobis nivea; the genus Trabutiella, with T. cordiae as its 

 type ; Hyponectria phaseoli, on Vigna vexillata ; and Zythia pha- 

 seoli, on Phaseolns. A fuller description is also given of Antho- 

 stomella rhizomorphae (Ktz.) B. & V., collected on Rhizophora 

 mangle. 



A Crop Protection Institute has been organized under the Na- 

 tional Research Council to bring together the scientist, the 

 grower, and the business man for mutual consultation regarding 

 problems connected with the growing and marketing of crops. 

 It proposes to cooperate with existing organizations wherever 

 possible, and to undertake work that has hitherto been over- 

 looked or imperfectly done. The control is in the hands of a 

 Board of Trustees, two thirds of whom are scientists. 



An abundantly illustrated article on the early development of 

 Inocybe, by Gertrude E. Douglas, appeared in the Botanical 

 Gazette for September, 1920. The lamellae develop as in most 

 of the gill-fungi except those of the Amanita type. No marginal 

 veil is formed, but the ground tissue on the outside of the pileus 

 fundament becomes the blematogen, or universal veil. Several 

 species of Inocybe were used for this study, the fresh plants in 

 various stages being fixed in chromo-acetic acid of medium 

 strength, then imbedded in paraffin, and stained with fuchsin 

 after treatment with tannic acid. 



An important paper on the development of Cyathus and Cruci- 

 bulum, by Lena B. Walker, appeared in the Botanical Gazette for 

 July, 1920. Six plates, with 70 excellent figures, greatly enhance 

 the value of this paper. The three species used, C. fascicularis, 

 C. striatus, and C. vulgare, grew readily on artificial media, but 

 only the first produced mature fruit-bodies. The peridioles orig- 

 inate in all three species at given centers, toward which the ends 

 of filaments converge. The most marked difference between 

 Crucibulum and Cyathus is in the structure of the walls of the 



