225 
Pollination of Asclepias—Notes on the Mode of. Charles Robert- 
son. (Bot. Gazette, xi., p. 262, illustrated.) 
Quercus alba.—The Structure of. P. H. Dudley. (Journ. N. Y. 
Micros. Soc., ii., pp. 107, 108.) 
An interesting account of the formation and structure of the 
wood. 
Ravenelia glanduleformis.— The Morphology of. G.H. Parker. 
(Proc. Amer. Acad. Arts and Sciences, xxii., pp. 205-219, 
two plates; reprinted. 
Secretion of nectar in Libonia.—Production of nectar in Ornitho- 
galum coarctatum. Thomas Meehan. (Proce. Phil. Acad. 
Nat. Sci., 1886, p. 59.) 
Smilacina bifolia. ‘The One-blade.” (Garden, xxx., p. 337.) 
A very pretty illustration accompanied by a short descrip- 
tion of its use as a rock-plant, and for carpeting shady places. 
Sporobolus cryptandrus.—Expulsion of the Seeds of. W. J. Beal. 
(Bot. Gazette, xi., p. 247.) 
Stamen of the Deerberry, Vaccinium stamineum. J. L. Zabriskie. 
(Journ. N. Y. Micros. Soc., ii., p. 109.) e 
Testa of the seeds of Phytolacca. Chas. W. Stockbarger. (Bot. 
Gazette, xi., p. 274, illustrated. 
Timber.—The Uses of our Native. W. C. Butler. (Gard. 
Month., xxviii., pp. 306, 307.) 
Triceratium.—Five Species of. E. A. Schultze. Journ. N. Y. 
Micros. Soc., ii., p. 110; two plates.) 
These Diatoms were photographed from slides prepared by 
Professor Thum, of Leipzig, the material being obtained from 
Barbadoes. The excellent plates were made by the artotype 
process. Mr. Schultze was able to identify but one of the species; 
the others have been submitted to Prof. A. Schmidt. 
Vancouveria hexandra. (Garden, xxx., p. 263, illustrated.) 
Vegetable Parasites of Codfish. W. G. Farlow. (Bull. U. S. 
Fish Comm.) 
Viola pedata. (Garden, xxx., p. 141, illustrated.) 
Zephyranthes Atamasco. H. Nehrling. (Gard. Mon., xxviii., p.309). 
Note is made that in the Suwanee district of Florida this fine 
Amaryllis is known as the “ Suwanee Lily,” and that both white 
and rose colored forms occur there. 
