64 -LINNEAN SOCIETY OF LONDON. 
** Wamara,” a very hard-wooded tree sixty feet high, used by the 
natives for clubs, &c.; ‘ Letter-wood”’ (Brosimum Aubletii), useful 
for inlaying and making very choice walking-sticks; ‘‘ Heyowa- | 
bolly”” (Omphalobium Lamberti), a rare tree of twenty feet high, | 
own commercially as Zebra-wood. — Mr. H. N. Ridley drew 
attention to a fasciated branch of holly from Herefordshire, in 
which certain of the leaf-branches were curiously interwoven.— 
Dr. Murie called attention, on behalf of Mr. Frederick Piercy, to a 
presumed portrait of Linnzus in oil, doubtfully supposed to be an 
original. aper was read by Mr. J. G. Baker, viz., ‘A Review 
. Mag » 
south as lat. 44° to 45°; (8) S. Commersoni, a low-level plant of 
Uruguay, lately introduced as a novelty under the name of S. 
Ohrondu; (4) 8S. cardiophyllum, a little-known species from the 
Mexican highlands; (5) S. Jamesii, a native of Mexico and th : 
Rocky Mountains; and (| . oxycarpum, a native of Central 
Mexico. The two last have the tubers very small. All our culti- 
— races of potato belong to S. tuberosum; but the plant gathered 
vy. Oo 
s Archipela at experiment 
by § Chiswick are both S. Maglia 
attributes the deterioration of the potato partly to its being culti 
vated in to climates and partly to the tub 
There are many hundred species of Solanwm known which do 
produce any tubers, but maintain their ground in the world 
their seeds alone; and that, in order to extend th 
power of climatic adaptation of potato species, 2, 8 and 4 should b 
brought into cultivation, and tried both as pure specific types an 
as hybridised with the numerous forms of 8. tuberosum.—Mr. 
Cooke made a communication, ‘‘On the Structure and Affinit 
