INTRODUCTION TO BOTANY, 199 
taken out, by the scar or hollow in the panninterne, as that 
covering is always interrupted at the place where the pla- 
centarium is connected with the sarcocarp to which it is 
always united. 
- 
Ribs of the placentarium. 
Collected, Nervi colligati Collected into a single mass 
by cellular tissue. Lilium, Rhododendrum, Silene. 
Distinct, distincti. Forming separate cords. Portulaca, 
eee aula, iniervalves. Placed i in the sutures between 
the valves. Crucifere. 
Axile, circumaxiles. Surrounding a central axis which 
separates when the fruit splits open. Epilobium, Ciino- 
thera. 
UmeprticaL Corp. 
Funiculus, Funiculus umbilicalis, Podospermium. A 
vascular cord, that fastens the seeds to the pericarpium. 
Threadlike, Funiculus filiformis. Cheiranthus, Alyssum 
campestre, Ribes spinosum glabium, Cassia Fistula. 
Hooked, uncinatus. Weaniids, Ruellia, Justicia, Bar- 
leria. . 
-Pappus-like, pappiformis. Formed of silky threads 
united into a pappus. Asclepias Syriaca, A. nigra. Pl. 17, 
fio. 12. 
CELLS. 
Loculi, Loculamenta, Thece. The hollow spaces in the 
pericarpium formed by the doubling of the panninterne. 
Coour. 
Coccum. 4 cell that opens elastically by a membra- 
naceous spring, placed at the loitom. Kuphorbiacee. 
RETINACLES. 
Retinacule. Crooked points growing from the placenta- 
rium, close to the seeds, but not serving to supper them. 
Acanthaceee. PI. 16, fig. 21. 
PANNEXTERNE. 
Pannexterna, Epicarpium. The external skin of the 
epicarpium.. 
PANNINTERNE. 
Panninterna, Endocarpium. The internal skin of b the 
pericarpium, which in celled fruits forms the partitions by its 
doublings. 
