INTRODUCTION: TO: BOTANY: 1& 
Capped, cucullata.. Rolled up lengthways like a cornet. 
Geranium cucullatam, Plantago maxima. 
17. Nervature.. 
Ribbed, Folia nervata, nervosa. With one or more ribs. 
Linum perenne, Plantago media, P. lanceolata, Opulus:, 
palustris. 
One-ribbed, uninervia,.uninervaia.. With only one rib. 
Linum perenne. 
Three-ribbed, érimervia. With three ribs extended 
lengthways the leaf, from the base. Saponaria, officinalis, 
Linum usitatissimum. PI. 5, fig. 16. 
Five-ribbed, quinquenervia. With five ribs, lengthways 
the leaf, from the base. Gentiana lutea. 
Seven-ribbed, sepiem-nervia.. Alisma major. 
Nine-ribbed, movem-nervia.. Melastoma grandiflora.. 
Many-ribbed, multinervia.. Cypripedium ferrugineum. 
Pl..4, fig. 2. 
Triple-ribbed, ¢riplinervia. The rib is tripled, throwing 
out two side-branches a little above the base of the leaves. 
Melastoma multiflora. PI. 6, fig. 3. ; 
Quintuple-ribbed, guintupli-nervia.. With. four side: 
branches. Melastoma discolor. 
Multiple-ribbed,. multipli-nervia. With many side 
branches. Hydrogeton fenestralis.. Pl. 5, fig. 15. 
{| Straight-ribbed, rectinervia, penninervia. Ribs running 
in a straight line. Alnus. glutinosa, Castanea vesca,, Car- 
pinus ulmoides. PI. 4, fig. 4. 
Curve-ribbed, curvinervia, converginervia._ Ribs describe 
acurve. Plantago media. PI. 5, fig.15; Pl..4, fig, 2. 
Parallel-ribbed,. parallelinervia. Ribs keep at an equal 
distance from one another. Cratzegus alpina, Alnus glu- 
_tinosa, Castanea vesca, Carpinus ulmoides. 
Diverging-ribbed, diverginervia. Ribs spread out as they 
go from base to tip. Opulus palustris, Alchimilla: vulgaris. 
PL. 6, fig. 16. 
Star-ribbed, stellinervia, peltinervia. Ribs run from the- 
middle of the leaf to the circumference. Hydrocotyle vul-- 
garis; Ricinus communis. PI. 6, fig. 9. 
q Nervato-veined, nervato-venosa. Ribs divided several: 
times, and divided into veins, Tropzeolum majus. 
Ribless, innervia.. The ribs being enveloped with pa- 
renchyme do not. appear: externally, and. the leaves: are 
considered. as:being without ribs;, Sempervivum tectorum. 
