Protogamophyta 
proximal 
which is primarily an epiphyte pure 
and simple; cf. HEMIEPIPHYTE ; 
Protogamophy'ta (ydos, marriage, 
gurov, a plant), a group of plants 
so named _ by é Macmillan, 
without definition ; Protogen’esis 
(yéveots, a beginning), reproduc- 
tion by budding ; protogen‘ic, pro- 
togenet’ic (yévos, race, offspring), in 
development, structures formed 
when tissues begin to differentiate, 
cf. HYPEROGENIC ; protog’ynous 
(yuh, @ woman) = PROTEROGY- 
NOUS; Protog’yny = PROTEROGYNY ; 
Protohad’rome ( + HapRomeE) 
PROTOXYLEM ; Protolep’'tome (+ 
LEPTOME) = PROTOPHLOEM ; Proto- 
mer’istem (+ MERISTEM), the meri- 
stem of the growing point form- 
ing the foundation of a member ; 
Protone’ma (yjua, a thread), the 
confervoid or plate-like growth in 
Mosses on which the conspicuous 
plant is developed as a lateral or 
terminal shoot ; adj. protone’mal, 
also protone’matoid ; ~ Em’bryo, of 
Cutleria multifida, Grev., a form of 
embryo which reproduces the nor- 
mal plant (Church) ; Protopblo’ém 
(+P oem), the first formed ele- 
ments of bast in a vascular bundle ; 
Protophyl'line, Timiriazeff’s alter- 
native name for PRorTrocHLoro- 
PHYLLINE ; Pro’tophyll, Protophyl'- 
lum (@vddov, a leaf), a leaf borne 
by a Prorocorm ; a cotyledon or 
primordial leaf, especially used 
of a Cryptogam; Pro’tophyt (guror, 
a plant), a plant of the sexual 
generation (Bower); Pro’tophyte, 
pl. Protophy'ta, the simplest plants, 
the lower unicellular Cryptogams ; 
adj. protophyt’‘ic ; Protophytol’ogy 
(Aéyos, discourse) = PALAEOBOTANY; 
Pro’toplasm, Protoplas’ma (rhdopa, 
moulded), the viscous living sub- 
stance in plants, into which all 
nourishment is taken, and from 
which all parts are formed ; vari- 
ous modifications of it have special 
names; Pro’toplast, the unit of 
protoplasm capable of individual 
action, a cell either with or with- 
212 
protru’ding (protrudo, 
out a wall (Hanstein) ; Protoplas’- 
tid, an individual or presumable 
primitive type; Protoplas’tin, 
Hanstein’s term for a hypothetic 
substance, the ultimate source of 
vital movement and chemical com- 
bination; Protosclerench’yma (+ 
ScLERENCHYMA), used for certain 
collenchyma which resembles true 
bard bast, provisional collenchyma 
of Haberlandt ; Pro’tospore (s7opa, 
a seed), (1) a spore which develops 
a promycelium ; (2) certain energids 
or uninucleate bodies in P2lobolus, 
etc., the ultimate product of cleav- 
age (Harper); Protospor’ophyte 
(gurév, a plant), C. Macmillan’s 
term for certain Cryptogams, not 
otherwise defined ; Pro’tostrophes, 
pl. (crpog¢y, a turning), secondary 
spirals in the development of 
leaves (Lindley) ; Protothallog’a- 
mae, pl. (+ THaLLocamag), Ardis- 
sone’sterm to include Angiosperms, 
Gymnosperms, and vascular Cryp- 
togams; Protothal’lus (@d\\es, a 
shoot) = HypoTHALLus, the first 
formed stratum of a Lichen ; Pro’- 
totroph (rpo¢}, nourishment), a 
“lodger” in Lecidia intumescens, 
Nyl., which eventually gets its 
nourishment by means of another 
lodger, a different Lichen (Minks) ; 
Protot’rophy, the peculiar commen- 
salism described above, also styled 
‘‘Wet-nurse relationship”; also 
spelled Pro’trophy ; Protoxy’lem 
(+XyLem), the first formed ele- 
ments of wood ina vascular bundle; 
protozooph’ilous ({@ov, an animal, 
gptdéw, I love), used of certain 
water-plants which are fertilized 
by small animals, or protozoa. 
thrust out), 
exerted. 
protu’berans (Lat.), bulging out, 
Protuberan’tia elonga’ta, ‘the aci- 
culae of certain Fungals” (Lindley). 
provine’ (F'r., provigner), to layer a 
vine, 
prox/imal (prowimus, next, nearest), 
the part nearest the axis, as opposed 
to DISTAL. 
