No. 423.] NOTES AND. LITERATURE. 251 
Hefte 11-12 of Abtheilung I of the 1901 volume of the Botanische 
Zeitung consists of a paper by Hannig on the septal wall of the fruit 
of Cruciferze. 
Professor Hildebrand contributes biological notes on Jeffersonia 
diphylla and Apios tuberosa, as well as other species not of our flora, 
to No. 8 of the current volume of Berichte der deutschen botanischen 
Gesellschaft. 
Schlotterbeck and Eckler publish a paper on fruit structure and 
development of — floridanum in the TERHROPEHCNI Arthives 
for November. 
The Celastracez of China are undergoing revision by Loesener in 
Engler's Botanische Jahrbücher, which, as — of -— is for the 
most part devoted to African plants. : 
The development of the seed and the differentiation of the pro- 
tective testa in several Sapindacez is discussed by Guérin in the 
October number of the Journal de Botanique. 
A monograph of the leguminous genus Dorycnium, by Rikli, is dem 
lished in Heft 3 of Engler's Botanische JaArbücher, Vol. XXX 
A case of parthenogenesis in Alchemilla is described by Murbeck 
in Vol. XXXVI of Acta Universitatis Lundensis, which also contains 
an article by the same author on chalazogamy; in connection with a 
further study of the same genus. 
In Zorreya for December Mr. Small publishes a new Texan m 
under the name Prunus eximia. 
Spirea millefolium is figured in Curtis’s Botanical Magazine for 
December. 
Those accustomed to seeing Cereus peruvianus as it is orsnuioa) 
cultivated in plant houses will be interested in an open-air portrait of 
it as grown at Monte Carlo, = by Becker in Die Gartenwelt 
of December 21. 
Opuntia monocantha, O. glauca, arid O. engelmanni, which prove 
hardy in the botanical garden of the University of Cambridge, are 
figured in the Gardeners’ Chronicle of December 7. 
An illustrated account of the cacti found to be hardy in Giessen 
is given by Rehnelt in Die Gartenwe/t of December 14. 
- The affinities of the Valerianacez and Dipsacez are nones by 
Hock in Vol. XXXI, Heft 3, of the Botanische Jahrbücher. ; 
