ambisporangiate 
amphicarpogenous 
I bring forth), producing two kinds, 
as when a bud contains both flowers 
and leaves, as the Horse-chestnut ; 
ambisporang’iate (+ SPORANGIUM), 
hermaphrodite flowers, otherwise 
macro- and micro-sporangiate, that 
is, bearing ovules and pollen-sacs. 
Amb‘itus (Lat. a going round), the 
outline of a figure, as of a leaf, 
ambleocar’pus (cu8ddw, to be abortive, 
xaprés, fruit), when most of the 
ovules abort, a few only becoming 
perfect seeds. 
ambros‘iacus (duBpdc.0s, divine food), 
possessing a strong scent of 
Ambrosia ; fragrant. 
Ambula’crum (Lat.), a walk in a 
botanic garden. 
ame‘liorating (Fr., amélioration, an 
improvement) ~ Plants, those 
bacteria which cause nodules on 
the roots of Leguminosz. 
Am’ent, Ament’'um (Lat. a strap), a 
catkin, a spike of flowers usually 
bracteate, and frequently deciduous; 
amenta’ceous, -cews (+ ceus) ament’i- 
form (forma, shape), amentif’erous 
(fero, I bear), catkin-bearing ; cat- 
kin-like; Ament/ula (diminutive) 
the so-called catkins of the male 
inflorescence in Sphagnum. 
ameris’tic (a, not, meploros, divisible) 
~ Ferns, are those whose prothalli 
being insufficiently provided with 
nutriment are destitute of meristem, 
and produce antheridia only. 
amethyst’eus, amethyst/inus (Lat.), 
the colour of amethyst, violet. 
ametoe’cious (a, not, wera, with, after, 
olxos, house), a parasite which does 
not change its host ; the reverse of 
METOECIOUS. 
Am‘ides (Am[-monia]+ide) certain 
substances occurring in plants, 
soluble in water, diffusible, cry- 
stallizable, not coagulating on 
boiling; those of common occur- 
rence are Asparagin, Leucin, and 
Tyrosin ; Amid’ulin, soluble starch, 
existing in small quantity in ord- 
inary starch-grains. 
Ami’doplast (7Aaords, modelled), an 
error for AMYLOPLAST. 
Amito’sis (a, without, pulros, a web), 
defined as degenerate mitosis, 
when nuclear division takes place 
directly without the phenomena 
of karyokinesis ; adj. amito’tic. 
Am’modytes (dupos, sand, dvw, I sink 
in), living in sandy places ; ammo- 
ph‘ilous, -/us (piAew, I love), sand- 
loving. 
Ammo’nia (Ammon, the Libyan 
Jupiter, first found near his 
temple), a pungent gas; the so- 
called volatile alkali. 
Am’nion, Am’nios (duvios, foetal mem- 
brane), a viscous fluid which sur- 
rounds certain ovules in an early 
stage; amniot’icSac, = EmBryo-Sac. 
amoe’boid (duo:Batos, interchanging), 
applied to the jelly-like plasmodium 
of Myxogastres when in motion, 
resembling an Amoe’ba, a protean- 
shaped rhizopod; Amoeboid’eae, 
used by Gobi for the lowest forms 
of plant-life which are destitute of 
chlorophyll. 
amorph’ous, amorph'us (a, without, 
pop¢h, form), shapeless, the form 
not regular or definite ; Amorph’- 
ophyte (¢urév, a plant), a plant with 
anomalous flowers. 
Amphanth’‘ium + (du¢l, around, dros, 
flower), the dilated receptacle of 
an inflorescence, as in Dorstenia ; 
clinanthium ; Am’phiaster (dorhp, a 
star), the combined nuclear-spindle 
and cytasters; also for the com- 
bined cytasters only (Crozier); 
amphib’ious (Atos, life), growing on 
dry land or in water equally well; 
~Alterna’tion, the adaptation of 
organism, originally of aquatic 
habit, to subaérial conditions ; 
amphib'ryous, -yus (Spiw, to 
sprout), growing by increase over 
the whole surface; Amphib’rya, 
Endlicher’s name for Monocotyle- 
dons; amphicarp’ic, -pous, -pus 
(kapros, fruit), possessing two kinds 
of fruit, differing in character or 
time of ripening ; Amphicarp/ium, 
an archegonium persisting as a 
fruit-envelope, after fertilization ; 
amphicarpog’enous (yevvdw, I bring 
