SCIENTIFIC COMMITTEE. 
lxvii 
October 4, 1921. 
Mr. E. A. Bowles, M.A., in the Chair, and six members present. 
Koelreuteria fruiting. — -Mr. W. Hales showed fruits of this beautiful tree 
from the Chelsea Physic Garden. He also showed a flowering shoot of the 
Japanese Loquat, Eriobotrya japonica. 
Crocus forms. — Mr. Bowles showed a number of forms of species flowering 
in autumn, including the form albus of C. speciosus both in the veined and in 
the self-coloured form ; a hybrid with cream anthers between speciosus and 
pulchellus ; pulchellus and its white form ; and C. medius. 
Autumn-flowering Snowdrop. — -Mr. Bowles showed also flowers of Galanthus 
Olgae which had this year opened on September 28. 
Abnormalities in Linaria. — -He also showed flowers of Linaria in which the 
spur appeared in other parts than at the base of the anterior petal, and in which 
sometimes more than one spur was developed. 
Scientific Committee, October 18, 1921. 
Mr. E. A. Bowles, M.A., in the Chair, and four members present. 
Various Plants. — -Mr. Loder showed the following plants from his garden : 
Aralia szechuanensis, Cornus Hessei with bunches of white berries, and Viburnum 
fragrans in flower. 
Mr. Hosking showed female flowers of Salix Bockii from Szechwan, Buddleia 
Fallowiana (?) similar to the plant generally grown as B. yunnanensis, Veronica 
Veitchii, Pelargonium echinatum raised from root cuttings, and an abnormal 
. • form of Chrysanthemum Parthenium with virescent flowers and heads closely 
approximated to one another. 
Mr. Bowles showed Clematis balearica in flower from his garden. 
Cones of Taxodium. — -Mr. Notcutt sent cones of Taxodium distichum from 
Suffolk, and Mr. Loder mentioned the formation of knees on an old plant in 
his garden. These knees had not come above ground, but had been formed 
between stones on an island. 
Malformation of Dahlia flowers. — -Mr. G. F. Wilson sent photographs of 
Dahlias to illustrate the damage done by the punctures of the bug Lygus pratensis, 
causing the flower-head to expand in a one-sided manner. He found that mere 
puncturing did not produce the malformation, but if the juice of the bug were 
introduced into the puncture the malformation followed. 
Scientific Committee, November 15, 1921. 
Mr. E. A. Bowles, M.A., in the Chair, and five members present. 
Rayless Helianthus. — Mr. Fraser showed a capitulum of the common Sun- 
flower without rays, but with very numerous small capitula growing in the 
axils of the discal bracts, as in Echinops, and differing from that in having a 
common involucre. 
Fruiting of A rauja sericifera. — -Mr. Norman Hadden sent a shoot of A rauja 
sericifera from his garden at Porlock Weir, bearing many fruits. Mr. Hales 
said the plant had fruited freely outside with him this season. 
Scientific Committee, November 29, 1921. 
Mr. E. A. Bowles, M.A., in the Chair, and five members present. 
Cotyledons of Rhamnus. — Mr. J. Fraser showed seedlings of Rhamnus 
catharticus and R. Frangula to illustrate their epigeal character in the former 
and hypogeal in the latter. 
Buddleia madagascariensis. — Mr. van de Weyer showed the inflorescence 
of Buddleia madagascariensis from his garden, and said the plant which he had 
used in raising the hybrids referred to by him in communications to the Committee 
