26 ENGLISH 
J 
593 jacket cells — the outer layer of cells of an antheridium [f1088, g72, s209]. 
594 jugum (pl.juga) — a pair of leaves; especially in Fissidens [f694, g160, 535, s832, 1169]. - 
595 julaceous - smoothly cylindric, like a catkin, referring to stems or branches with stroi 2h 
imbricate. em 1558, g56, s685]. 
96 j t form arising from the protomena and giving rise to the 
adult plant; commonly found i in leafy liverworts [f751, g534, s884]. 
597 juxtacostal — region adjacent to costa [f559, g-apx, s1170]. 
K 
598 kathodic — away from the direction of apical cell segmentation; applied to the rect: 
merophyte surface oriented away from the segmentation spiral (opposed to anodic 
g552, s184]. 
598a - -- a ridge loneed long a sharp fold of a leaf (Fontinalis, Schistochila), per 
of Riella) [f144, g564, s959]. 
599 indul. -— sharply folded along à shiddie, like the keel of a boat; V-shaped i in cross- 
sped .g., leaves of Grimmia affinis, Fontinalis antipyretica (cf. carinate) [f145, 
Lb 
600 lacerate — appearing deeply and irr 
egularly slashed or torn; e.g., leaves otSphagum 
niparium [1560, g1108, s686]. - 
601 laciniate —- fringed with lacinia; subjectively stronger than fimbriate, but not 
formed by cell erosion [f562, g369, 1113, s688]. 
602 lacinia (pl. laciniae) — segment; appendages coarser than cilia and more than one edi 
Pn wide [f572, g1112, s687]. (Bus 
lacunose — perforated with holes; e.g., the surf; (563, 
, f . 
: 1649, 689] g. ace of various thalloid liverworts 
w- (pl. — parallel photosynthetic ridges or plates along a leaf blade, 
MN. e.g. alytrichum um, Prerygoneurum, Petalophyllum; the plates of secondary 
ulae on the dorsal and ventral surfaces of an 
arthrodontous us peristome [f569, 8622, s690]. 
605 lamellate 
606. ; - airs ellae) [f570 lH» /9, g621, s691]. 
lamina (pl laminae) — the flattened, generally unistratose and green part of he leaf | 
(see areolation) [f171, g958, s198]. 
