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INTRODUCTION TO BOTANY.
Acute-angled, acutb angulaius. When it has angles
which are acute. Hypericum quadrangulare, Lathyrus
pratensis.
Three-sided, Irigonus. When it has three faces, and of
course three corners, Carex acuta, Scirpus sylvaticus.
Four-sided, tetragonus. When it has four sides. Mentha
sativa, Lamium album, and other labiateae.
Five-sided, pentagonus. Cactus pentagonus.
Six-sided, hexagonus. Cactus hexagonus.
Three-cornered, triangularis.
Four-cornered, quadrangularis : and so onwards.
Three-edged, triqueler.
Four-edged, tetraqueter : and so onwards.
Angular, angulosus. When the angles are not, or can
not be counted. Polygonatum vulgare, Solanum nigrum,
Achillea millefolia.
jointed, articulatus. Formed of joints connected endways
"with each other, with or without knots. Fucus articulatus,
Equisetum, Viscum album, Graminese.
Knotted, nodosus. Having swellings or knots at certain
distances. Many of the gramineae, Persicaria acris.
Kneed, geniculatus. Jointed and bent at each joint.
Alopecurus geniculatus, Geranium sanguineum, Stellaria
media, Spergula arvensis.
Stipiform, stipiformis. Stem of a dicotyledon plant,
growing like those of palm-trees ; with a bunch of leaves
at top, and bearing the marks where the old leaves have
fallen off. Statice fasciculata, Brassica oleracea capitata.
6. Strength and thickness.
Stiff, Caulis rigidus, stricius, rigens. Straight, not easily
bent, although it be slender. Bistorta major. Bupleurum
rotundifolium.
Brittle, fragilis. Stiff, and breaking as soon as it is attempted
to be bent. Sonchus oleraceus. Geranium Robertianum.
Sarmentose, sarmentosus. Woody, and climbing or
rampant. Hedera communis, Vitis vinifera, Rubus fru-
ticosus.
Weak, delilis. Too feeble to keep upright. Irasekia
alpina. Geranium lucidum, Sedum dasyphyllum.
Slender, gracilis. Long in comparison with its thick-
ness. Orchis maculata, Stellaria holostea.
Threadshaped, Jiliformis. Zanichella palustris, Hydrocotyle
vulgaris.
Hairlike, capillnris. Eleocharis acicularis.
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