180 REV. PROF. G. HENSLOW ON THE 
dorsal carpellary, the other two are marginal, the base of an ovary- 
cell soon appearing between them (5). 
XII. SAXIFRAGEÆ (PL XXVIIL).—xxv. Rees COCCINEA. 
The pedunele of a raceme of this plant, just below the node 
at which a pedicel is given off, shows a certain number of cords 
stretching out to one side (1). The terminal or isolated cord 
belongs to the bract (2, 3, 4.) ; while the rest form two small groups 
for a pedicel (3, ped.) ; the remainder close up to continue the 
peduncle (2, 3), while another “loop” soon appears for the 
next bract and pedicel, and so on. Eight cords, regularly 
placed, enter the pedicel (3, ped.). Two on opposite ends of a 
diameter increase: these are placentary cords (4, pl.e.). These 
then trifurcate and give off two apiece, so as to complete the 
number ten for the calyx and corolla (6). The sepaline cords 
give off the staminal by tangential chorisis (7, a-d). 
XXVI. EsCALLONIA.— This differs from Ribes in that the cords 
are situated more irregularly, the pedicel containing a connected 
zone of cords instead of eight (1); this breaks up into an 
apparently confused arrangement (2). Then one observes that it 
is not the placentary cords which supply the two extra ones, as in 
Ribes (xxv. 5, 6), but Zwo of the outermost (4*) of the two 
circles (3)—or, rather, irregular inner and outer sets of cords— 
which thus make up the number ten. The innermost portions of 
the original cylinder ultimately become massed together as 
placentary cords (5. The number eight occurring in these two 
genera is unusual, as the flowers are quinary, and seem to point 
to an ancestral condition of a quaternary Arrangement ; although 
the foliage is alternate, which would otherwise countenance the 
idea that no anomalous condition was to be expected. 
XIII. CRASSULACEJE (Pl. 
TeLEPHIUM.—The pedicel contains 
cords (1). These increase and fina 
ase of the carpels, and 
tracheæ oriented as if 
have already appeared 
ary-cells ; consequently 
central circle is revealed, 
character. Ata height 
he ring has broken up 
then constitutes a very perfect circle, the 
axial (4); but the dorsal-capillary cords 
beyond the now visible bases of the oy 
the carpellary and not axial nature of this 
notwithstanding its apparently true axial 
where the ovary-cells are well formed, t 
