172 
INTRODUCTION TO BOTANY. 
Depressed, depressa. Flattened downwards. Neurada 
prostrata. 
Tongueshape, linguiformis. Compressed and drawn out 
like a tongue. Fraxinus. 
Winged, alata. Extended out into a wing. 
One-winged, monoptera , unialata. Fraxinus. 
Winged at top, epiplerata. Fraxinus, Casuarina. 
Winged all round, peripterata . Ulmus, Paliurus. 
Three winged, triptera. Rheum, Polygonum emargi- 
natum. 
Four winged, tetraptera. Combretum laxum. 
Five winged, pentaptera. Combretum secundum. 
% Adhering, adhcerens. United to the calyx. Trapa 
natans, Halesia tetraptera. 
Free, inadhcerens. Not united to the calyx. Rumex, 
Rheum Polygonum, Ternstromia. 
Induviated, induviata. Covered by a persistent calyx. 
Salsola Fragus. 
IT One-celled, unilocularis . Scirpus, Polygonum, Salsola. 
Two-celled, bilocularis. Circaea ovalifolia, Ternstromia 
punctata. 
Many-celled, mullilocidaris . Punica Granatum. 
If One-seeded, monosperma. Rumex, Salsola. 
Two-seeded, disperma. Circaea ovalifolia. 
Three-seeded, trisperma , &c. 
Many-seeded, polysperma. Ternstromia punctata. 
Cystidium. 
Utriculus. Fruit one-seeded , not adhering to the calyx , 
pericarp scarcely visible , umbilical cord distinct. Amaran- 
thaceae. PI. 13, fig. 9 and 10. 
Sacellus. 
Fruit consisting of a seed covered ivith a membranaceous 
envelope. Soda. PI. 13, fig. 12 and 13. 
Thecidion. 
Thecidium. Pericarp dry , hard, crustaceans. Polygo- 
num. PI. 13, fig. 6. 
Achena. 
Pericarp leatherlike , not woody , not adhering to the seed . 
Cyperaceae. PI. 13, fig. 15 and 16. 
