206 INTERNATIONAL BOTANICAL CONGRESS. 
Dr. Hinpesranp, Bonu.—** On the Necessity of Insect Agency in 
the Fertilization of Corydalis cava." 
Dr. Hildebrand concludes from his experiments, Ist. That the flowers of 
—— xa when protected from insects, and thus acted on by their own 
pollen, form no capsules. 2nd. That fruit is very seldom formed s en the 
flowers of dias same raceme are crossed with each other. 3rd. By the crossing 
of flowers on different individual plants alone, is perfect fertilization strstr 
M. Van Hutte, Ghent.—“ Rational Method'of Pruning.” 
The writer assumes he the ate ! dress in England are abundant, but 
d 
g 
ge] 
wc peer in cundem such as it is, is deed, rather to the skill 
—— and cost incu in managing the ground than on the management 
of the The witior r assumes that the English prune their trees to make 
them iov, v. without properly considering regularity of form or size of fruit. 
He rec ends i 
-bearing or wood-bearing, treating them accor rdingly in Leap to 
i m hich he em the old system. m, and speaks of it 
rather as “pruning without system.” old plan = aves nature to form 
— or fruit branches at will ; vira so Sertoli ure as to form either 
at pleasure, 
Professor Kicxx, Ghent.—‘ Je serai heureux surtout d'y voir traiter 
les questions de physiologie spécialement appliquées à la eryptogamie." 
M. Lanaye, Paris.—* Sur la conservation des fruits." 
The author says it is impossible to preserve fruits out of their season if the 
trees whieh produce them are in bad health or condition. 
M. Mas, Bourg.— De la direction à donner à la recherche des 
nouvelles variétés d'arbres à fruit.” 
Dr. Masters, London.—“ Double Flowers, etc.” 
Professor E. MonnEN, Liége.—* Sur les fleurs doubles.” 
Dr. FER». MvrLLER, Melbourne.—* Advocates the Attempt to 
Cultivate the Cinchona in the South of Europe." 
Professor PARLATORE, Florence.—* Le specie di cotoni.” 
Professor Pynarrt, Ghent.—* Des moyens de faire naitre des va- 
riétés nouvelles chez les arbres à fruits et d'en diriger la création. 
Examen des divers procédés usités. Sélection, hybridation, choix des 
graines, influence du mode de culture des plantes de semis sur la con- 
stitution des variétés.” 
