28 ENGLISH 
632 lingulate — tongue-shaped; oblong with a slightly broadened apex (cf. ligulate) [f479, 593, 
g1122, s720]. 
632a liverwort — a term for plants of the Division Hepatophyta [f479, g631, s593]. 
633 lobe -- any segment of a diided (lobed) leaf or other organ; the larger segment of an 
unequally divided leaf in leafy liverworts (see lobule) [f595, g626, 711, s721]. 
634 lobule — a small lobe; e.g., the smaller segment of an unequally divided leaf in leafy 
liverworts [f596, g1043, s722]. 
635 lochmocolous -- dwelling in thickets [f1090, g647, s365]. 
636 longitudinal — lengthwise, parallel to the long axis; e.g., longitudinal leaf insertion [f597, 
, $723]. 
637 lorate — thong or strap shaped (see ligulate) [f598, g844, s724]. 
639 lower -- toward the base, proximal, well below the middle, e.g., leaves on a stem, cell of a 
leaf; also loosely used for the dorsal (abaxial) surface of a leaf or ventral (next to 
substrate) surface of a thallus or prostrate moss [f530, g1042, s656]. 
640 lumen (pl. lumina) — the cell cavity [f599, g651, s725]. 
641 luminal -- of the lumen; of cell wall thickenings that are intracellular or projecting into 
the lumen, rather than to the exterior [f1091, g-apx, s726]. 
642 luticolous —- growing in mires, inhabiting mud [f1092, g652, 729]. 
643 lunate -- crescent shaped [f600, g439, s727]. 
644 lurid -- dingy brown or yellow [f594, g893, $728]. 
M 
645 m-chromosome -- smallest chromosome; less than half the length of any other member of 
the complement; common in bryophytes (cf. B-chromosome) [f195, g653, s739]. 
646 macrocladous -- with long branches [f1093, g-apx, s730]. 
647 macronema (pl. macronemata) — large, branched, rhizoids produced around branch 
primordia and at the base of buds (opposed to micronema) [f601, g655, s731]. 
648 mammilla (pl. mammillae) -- strongly bulging surface of a cell; also used for various 
hollow papilla-like protuberences without associated local wall thickening; i.e., with the 
cell lumen extending into the protuberences (cf. papillose) [f604, g656, $732]. 
649 mammillate —- convex to hemispherical with a blunt central projection; e.g. operculum of 
Bryum (1603, g657, $733]. 
mammillose — with mamillae [f605, 658, $734]. 
651 jen - withering without falling off; €.g., leaves of Bartramia subulata [f607, g660, 
à marginal — at the margin, espe 
cially as applied to a leaf [f608, g818, s736]. 
marsnnia^* 
Oa pia) - a modified shoot calyptra; associated with development of à 
ND "s S dS Structure that penetrates downward into the substrate 
(Án d desch i lobryum (cf. coelocaule) [1609, g661, 5737]. 
197, s1083]. €n, horizontal growth form; e.g., Brachythecium, Hypnum [£976 
5 
- central, middle; e.g, median leaf cenis are rom the upper middle of a leaf, 
IOTER TEE NETS PEREAT 
M CC UEROGUTNMET IMÁNOROPEOREBDPTRUCTLDN 
