12 BOTANICAL GAZETTE. 
Cobwa seandens.— Among some specimens of Cobea scandens appeared one 
that seemed to’me worthy of notice. The cotyledons wére grown together, the 4 
first pair of true Jeaves were also combined in one and placed opposite the — 
ae NN Dae cape S j 
double cotyledon. The first pair of leaves usually has only six leaflets, while 2 
this has eight. The plant is represented by the accompanying figure. 
, F, L. HARVEY. 
me 
sented by the accompanying figure. F. L. Harvey. 
The Root-hairs of Adiantum pedatum, L.—While ex amining | 
the root-hairs of the above-named fern recently, I found two in-— 
stances of abnormality which seem worth recording. 
The root-hairs of the Maiden-hair fern are exceedingly numerous and long’ 
oO numerous and so long that in most cases they form a brown, cottony ma’ 
about the rootlets. These hairs smog ‘ 
deformed. The walls of two of if w ee. 
the hairs were found to present ‘Root-hair of Adiantum pedatum. L., showin spiral 
near their proximal ends a spiral thickening. 5 459) p,p, seattered masses 0 prow 
ei - ages plasm. s, spiral thread. w, wall of hair. 
thickening, giving them an extra- 
quite abruptly. The accompanying figure will 
the hair, and the closeness of the spiral. 
