345 
660, Xanthosoma cordifolium, NV. E. Brown Ps Bape. 28 gest aser erg 
affinis X, sagittaefolio, Schott, sed foliis obtusissime rotun 
cordatis et spadice organis neutris clavatis carente longe differt, 
Herba perennis. Foliorum petioli 4°5-6°5 dm. longi, ad apicem 
vaginato-canaliculati, virides, eink cnisiae marginati ; lamina 
deflexa, 4°5-6 dm. longa, 3°5-4 dm. lata, cordato-ovata, acuta, 
lobisbasalibus staumnsiong rotundatis, a undulatis, 
supra viridis, subtus pallidior; venae primariae _utrinque 
8-10, costae basales in sinu_breviter Jem datoia pluri-ramosae. 
Pedunculus 20-25 cm. longus, 1 cm. crassus, viridis. Spathae 
tubus 6-6°5 cm. longus, ellipsoideus, viridis, purpureo-marginatus ; 
lamina 15-17 cm. longa, 7 em. lata, oblonga, acuminata, basi sub- 
reflexa, superne adscendens, concava, pallide flavescens, purpureo- 
marginata. Spadix 15-16 cm. longus, parte feminea 2°5-3 cm. longa 
cylindrica ‘pallide viridi, parte neutra 4-4°5 cm, longa, cylindrica 
RITISH ei Described from a living plant sent from 
British Guiana in 1898 to the Royal Botanic Gardens, Kew, where 
it flowered in July of 1900 and 1901. 
Xanthosoma pilosum, C. Koch, and x Holtonianum, Schott. These 
two species properly belong to, the genus Caladium, and have been 
so transferred in the Botanical Magazine, under t. 8402, where, how- 
ever, the name Holtonianum has (by a Gael error) been spelt 
a ae They should in future be know — 
Caladium pilosum, NV. £. Brown (Nenthosoma: ea C. Koch). 
- Caladium Holtonianum, NV. /. Brown (Xanthosoma Holtonianum, 
yee tt). 
XLITI—THE FULLER'S TEASEL. 
(Dipsacus Fullonum, 1.) 
W. Davirmore. 
Early in the present year a communication was received at Kew 
from Mr. George E. North, of Messrs. Wm. North and Sons, 
teasel merchants, Gelderd Road, Leeds, respecting the increasing 
difficulty of obtaining a regular supply of teasels of English 
growth, read asking whether it would be practicable to cultivate 
the plant under glass, or whether a better cultural method could 
be suggested than the one now practised, whereby it might be pos- 
sible to grow the plant as a paying crop with more certainty than 
at present, and so check the serious falling off in the production of 
teasel heads which has occurred during late yea 
Subsequently I was instructed by the Diroctor: to cies Mr. North 
for the purpose of discussing the past and present positions of the 
teasel business, with a view to formulating suggestions on the lines 
indicated above, and the results of that interview and of a 
enquiries made elsewhere are embodied in the following notes. 
Teasels of commerce are the dry flower heads of Dipsacus 
Fullonum, L., gathered about the time when the seeds are fully 
