ENGLISH 7 
that is not in contact with the apical cell (opposed to acroscopic) [f102, g135, s122]. 
135 beak — elongated apex of an operculum, calyptra or perianth; rostrum [f104, g895, s1012]. 
136 biennial — of two season's duration [f111, g1139, s125, 126] 
137 bifarious -- distichous, in two rows [f105, g1144, s128]. 
138 bifid -- divided into two parts; see bilobed, bifurcate [f106, 1143, s129]. 
139 bifurcate — Y-shaped or forked; leaves divided into two * equal parts [f107, g148, 353, 
, $130]. 
140 bilobed -- divided into two lobes or segments [f108, g1140, s131]. 
141 bipartite — two-parted; deeply divided to near the base [f109, g149, 1143, s132]. 
142 bipinnate — with both primary and secondary stems pinnate; twice-pinnately branched 
[f110, g150, 224, s133]. 
143 bisbifid — again or twice bifid; i.e., bifid with the subsequent parts more shallowly bifid 
[f112, g227, 381, s134]. 
144 biseriate — with two rows of cells; e.g., biseriate antheridial stalk [f113, g1141, s135]. 
145 bisexual — see monoicous [f114, g1137, s136]. 
146 bistratose — composed of two cell layers; e.g., leaf blades that are two cells thick [f115, 
g1142, s127]. 
147 blade portion of leaf, held away from stem when moist; generally the green portion of 
the leaf above the base, including costa, border and lamina [f587, g163, 957, s883]. 
148 bloom -- a powdery or waxy covering on leaf or capsule appearing somewhat glaucous 
[f806, g827, s402]. 
148a bog — wet spongy ground consisting chiefly of decaying moss and other vegetable matter 
[f606, 2683, $1125]. 
149 bordered -- having margins differentiated from the rest of the structure in shape, size, 
color, or thickness; e.g. leaves, thalli and peristome teeth (cf. limbate) [f116, g338, s138]. 
150 boreal — northern, especially of the coniferous forests that occur in the Northern 
Hemisphere between the treeless tundra and deciduous forest of temperate latitudes 
[f117, g171, s139]. 
151 botryoid — with the appearance of a bunch of grapes; i.e., botryoidal oil bodies [f118, 
g1020, s140 
152 bract —- a modified leaf associated with a gametangium or gemma-cup (cf. perichaetial 
leaf, perigonial leaf) [f119, g478, s141]. 
153 bracteole — a modified underleaf associated with a gametangium in liverworts (cf. 
perichaetial leaf; perigonial leaf) [f121, 483, s143]. 
154 branch — a lateral division of the stem, or axis of growth [f122, g104, 915, s964]. 
155 breathing pore — see air pore [f779, g106, s907]. 
156 brood body — a generalized term used to denote various types of specialized vegetative 
reproductive structures; e.g., reduced buds, leaves, branches or plant fragments 
(propagules); e.g., Tortula pagorum, Pohlia proligera; small, globose, ellipsoidal or 
cylindrical to filamentous septate bodies (gemmae); e.g., Barbula indica, Ulota phyllantha; 
unicellular to four-celled structures such as the gemmae of leaf or thallus surfaces in 
Jungermanniales and Metzgeriales; multicellular discoid to thallose structures of various 
bryophytes (cf. diaspore) [f793, g176, s304]. 
157 brood branch — see cladia [(831, g174, s973]. 
158 bryoid — [peristome] having a "perfect" diplolepidous peristome, i.e. with a fully formed 
