88 
REPORT ON BOTANY, MDCCCXLI : 
M. Naudiii, in the Ann. d. Scienc. Nat. vol. xiv. (1840), 
p. 14, describes some small plants of Drosera intermedia, 
produced on the leaf of another. A leaf of Drosera inter- 
media (Dr. anglica), exhibited two small plants of Drosera 
in miniature on the upper side of its edge, which were 
developed from the cellular tissue, between the mid rib and 
lateral leaf-nerves at the edge, and stood at about the distance 
of a line and a half from each other. They were from five to 
six lines in length, and had, singularly enough, a stem with 
alternate leaves (according to the illustration) ; the native 
species of Drosera being stemless, and only provided with 
root leaves, which, in this instance, was the case with the 
mother plant. Nothing could be observed at the lower side 
of the mother leaf, excepting a black spot beneath one of the 
two stems, but no roots. The stems, however, issued from 
the naked cellular tissue, and stood in no connection with 
the vessels of the leaf. A very singular and remarkable 
monstrosity. 
M. Walpers makes mention of a Monstrous Seven-leaved 
Leaf of Trifolium repens, in the Linnsea, vol. xiv. p. 362, and 
considers the three-leaved, as well as the simple leaves of the 
genus, as shortened pinnated ones. He adds, that the leaves 
of Gleditschia triacanthos, in which almost all the forms of 
leaves which occur in the Leguminosce may be easily observed, 
together with their transformation from one into the other, 
are particularly instructive. 
M. Hampe observed, in a bush of Salia^ repens, that twigs 
above the water blossomed as females, whilst those twigs, which 
had been in the water, and subsequently blossomed when the 
water was dried up, had only male blossoms. He endeavours 
to prove, by other instances, that Diclinous plants, situated in 
wet localities, produce more male than female blossoms. See 
Linnsea, vol. xiv. p. 367. The editors, in a supplement, add 
many observations respecting the change of sex in willow trees, 
without, however, determining the causes. 
Remarks on the Ergot (clavus), by John Smith, Linnsean 
Transactions, vol. xviii. p. 3 (1840), 449. He analyzed the 
mucus sweet liquid of the ergot in Elymus, and found in it 
480 
