INDEX 
3 . 7 1 
Lactuca, 62 
Leaf base, hastate, 124 
virosa, 353 
reniform, r24 
Lactucarium, 62, 353 
sagittate, 124 
Lamiaceas, 342 
duration, 127 
Lamina, mode of development of, 130 
caducous, 127 
Landolphia, 62 
deciduous, 127 
Lappa, 354 
evergreen, 127 
Larix Europaea, 244 
persistent, 127 
Larkspur, 272 
insertion, i2o-r2 2 
Lateral rootlets, 16 
amplexicaul, 1 20 
Latex, 62, 77 
cauline, 120 
cells, 75, 76 
clasping, 120 
Laticiferous tissue, 75 
connate-perfoliate. 
vessels, 77 
equitant, t2o 
Lauraceae, 278 
perfoliate, 120 
anthers of, 149 
radical, 120 
Laurus, 280 
ramal, 120 
Lavendula vera, 344 
rank, 118 
Leaf, color, 127 
margin, X24, 125 
complete, 119 
crenate, 124 
definition of, 116 
cleft, t26 
exstipulate, 120 
dentate, 124 
functions, 116 
divided, 126 
sessile, t2o 
entire, 124 
stipulate, 120 
incised, 124 
Leaf apex, 124 
lobed, 124 
acuminate, 124 
parted, 126 
acute, 124 
repand, 124 
aristate, 124 
runcinate, 124 
cuspidate, 124 
serrate, 124 
emarginate, 124 
outline, 122 
mucronate, 124 
acerose, 122 
obcordate, 124 
acicular, 122 
obtuse, 124 
cuneate, 122 
retuse, 124 
deltoid, 124 
truncate, 124 
elliptical, 122 
arrangement, 117 
ensiform, 122 
alternate, 118 
filiform, 122 
decussate, 118 
inequilateral, 122 
fascicled, 118 
linear, 122 
opposite, xi8 
lanceolate, 122 
verticillate, 118 
oblong, 122 
base, 123, 124 
oblanceolate, 122 
auriculate, 124 
orbicular, 122 
cordate, 124 
ovate, 122 
