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INTRODUCTION TO BOTANY. ^ 203
Discoid, diicoideum. Thick, with two flat parallel faces,
and a bluntly rounded edge. Dioscorea, Strychnos Nuxvomica.
Flat, planum. Lilium, Tulipa.
Angular, angnlosum. Having prominent corners upon
its surface. Trasus syivaticus, Cepa esculenta, Rumex,
Fagopyrum esculentum, Primula.
Three-cornered, irigo?iia?i, iriquetrum. Rumex, Rheura,
Fagus sylvestris.
Four-cornered, ielragonum, &c.
Sawdust-like, scoLiforjne. Fine, long, like sawdust.
Orchidese, Rhododendron.
Grooved, canaliculalum . Hollowed out into a gutter
lengthways. Ph^nix dactylifera.
3. Surface,
Bald, Semen glahrum. Asparagus officinalis, Nymphsea,
Brassica, j^Escuius Hippocastanum.
Smooth, iceve. Nymphaea, ^S^sculus Hippocastanum.
Polished, Icevigatum. Geranium Robertianum, G. molle,
Melampyrum arvense.
Shining, nitidum^ hicldum. Polygonum aviculare, Amaranthus
minor, Nymphsea, Linum usitatissimum, Spartium
scoparium, j$1scu1us Hippocastanum.
Streaked, striatum. Lysimachia stellata.
Furrowed, sulcatum. Digitalis speciosa. Viburnum farinosum.
Networked, reticulatu.m. Geranium rotundifolium, G.
disseclura, G. columbinum.
Wrinkled, rugosiim. Damasonium Dalechampii, Aconitum,
Cymbalaria hederacea, Elatine hastata.
Pitted, scrobiculatum,. With irregular pits. Arum Italicum,
Datisca cannabina.
Honeycombed, alveolatum^faveolatum. With pits, placed
regularly. Antirrhinum, Papaver. *
Rough, scabrum. Ruta graveolens, Primula veris.
Dotted, punctatum. Covered either with rising points.
Cyclamen vernum, Anagallis Phoenicia, Geranium columbinum;
or with coloured dots, Clausena.
Tubercular, tuhercutatum. With elevated lumps. Vicia
lathyroides.
Warty, carimculatum. With spongy or pulpy excrescences.
Chelidonium majus, Ricinus.