129 
Ovigtnal Articles. 
ON THE MORPHOLOGY OF THE PITCHER OF 
CEPHALOTUS FOLLICULARIS. 
By Auexanper Dickson, M.D., Professor of Botany in 
the University of Edinbur rgh.* 
(Puares 219 & 220). 
In a paper on the Structure of the Pitcher of Cephalotus folli- 
cularis, read at the Plymouth meeting tes British a 
i i ae: umm J 1 
of the pitcher between Cephalotus, on the one hand, and Sarracenia 
and Nepenthes, on the other. In Cephalotus the lid is placed on that 
side of the orifice of the pitcher nearest to the main axis, while in 
Sarracenia and Nepenthes it is on the side farthest from the main 
upper surface, in Cenhkaletia 4 on the other hand, the row poe 
would, on the assumption indicated, be 
Developmental evidence is at present acattly attainable, requi uiring, 
as it would do, the sacrifice of map st srt of a _ not _— 
easy of cultivation, and nev ry ¢ and nee 
of this we are glad to meet with nied t cateloaeal aeviebeis which 
may throw light upon the subjec 
Some time ago our esteeme 
roa Mr. Robert Lindsay, told me he had once seen what ‘nae 
to him to be a pitcher springing 
him to look ‘at our plants from ope Or a 
malities presenting themselves. The result has been the detection 
of several very interesting and instructive forms in oo ase 
between the ordinary foliage- _~ = the pitcher ; and I have 
the general morphological re 
sin although I have to admit the ene er of my previous 
4 det of the subject. F 
alien hte are four in number, of small size an 
—- eisib ment, I shall now describe them in order of their 
tent of devi ‘ation from the form of the ordinary foliage-leaf 
pia that of a pitcher. 
* Read before the Botanical Society of Edinburgh, March 10th, 1861. 
N.s8. von. 10. [May, 1881.] : 
