asexual 
Astrospheres 
tie (cyrixds, putrefying), not 
liable to become rotten; asex’ual 
(sexualis, pertaining tosex),destitute 
of male or female organs, neuter ; 
~Genera’tion, in alternation, that 
generation which produces spores 
asexually, but is itself the product 
of a sexual act ; thus, in Ferns, the 
full-grown form is the asexual form 
or sporophyte, the prothallus the 
sexual form or gametophyte. 
Ash, the mineral residue of plants 
after complete combustion. 
Asim’ina = ASSIMINUM. 
Aspar’agi (domdpayos, asparagus), for- 
merly used for TurtonEs or suckers, 
young shoots emerging from the 
rootstock under ground, and at 
first bearing scales only, as in As- 
paragus; Aspar’agin, a commonly 
occurring amide, which was first 
obtained from Asparagus officinalis, 
Linn., hence its name; asparag’i- 
nots, applied to plants whose young 
shoots are eaten as asparagus. 
as'per (Lat. rough), as’perate, as’- 
perous, rough with hairs or points. 
aspergill'iform, aspergilliform'is (as- 
pergillum, holy-water brush, forma, 
shape), tufted, brush-shaped as the 
stigmas of grasses; Aspergill’in, 
pigment of the spores of Aspergillus 
niger, Van Tiegh., now known as 
Sterigmatocystis nigra, Sacc. 
asperifo'liate, asperifo'lious (asper, 
rough, foliwm, leaf), rough leaved, 
as Borrago officinalis, Linn. ; 
Asper’ity (asperitas), roughness. 
Asporomyce’tes (a, without, omopd, a 
seed, pvxys, fungus), Marchand’s 
name for Fungi imperfecti. 
as’plenoid (Asplenium, ldos,  re- 
semblance), like the Fern genus, 
Asplenium. 
asperm’ous (a, without, orépya, seed), 
seedless. 
Assimila’tion, Assimila’tio (assimulo, 
I make like), the process by which 
extraneous matter, crude food, is 
converted into plant substance ; 
constructive metabolism; used 
especially for the formation of 
organic substance from carbon di- 
25 
oxide and water by green plants 
in sunlight. 
asp’erous (asper, rough), scabrous, 
harsh to the touch, 
Assim’inum (Fr. Assiminier, a name 
of Asimina triloba, Dun.), Desvaux’s 
name for SYNCARPIUM. 
Associa'tions, Plant; term proposed 
to supersede Plant Formations or 
Plant Societies ; Dan. Plantesam- 
fund, Ger. Pflanzenverein. 
Assumen’ta (pl. of asswmentum, a 
patch), the valves of a siliqua. 
assur’ gent, assur’gens (ad, to, surgo, I 
rise), rising upward ; ascending. 
Astath’e t (acra@ys, unstable), ‘‘a sub- 
stance supposed by Harting to lie 
between the outer and inner lining 
of acell” (Lindley). 
Aste’ly (a, without, o77dy, pillar), 
destitute of a stele, or axial 
cylinder of tissue, cf. SCHIZOSTELY ; 
adj. aste’lic. 
Ast’er (dorip, a star), used in composi- 
tion for star-shaped structure as in 
DIAsTER, etc. ; asteroid (eldos, re- 
semblance), (1) star-shaped ; (2) like 
the genus, Aster, Tourn. 
ast/ichous, as‘tichus + (a, without, 
ortxos, row, line), not arranged in 
rows. 
astip’ulate (a, without, +StTrpuLA)= 
EXSTIPULATE. 
Astig’matae (a, without, + Stiem4), 
Van Tieghem’s name for the 
ARCHEGONIATAE ; ¢f. STIGMATAE. 
astom’atal (a, without, + Sroma), 
wanting stomata; ast’omous 
ast’omus (ordua, mouth), not having 
an orifice. 
Astrocen’ters (dorip, a star, centrum, 
centre), C. Macmillan’s term for 
the bodies variously known as 
Attraction - spheres, Directive 
spheres, Tinoleucites, etc. ; 
Astroscle’reids (oxAnpos, hard) thick- 
walled star-shaped cells occurring 
in the leaves of Camellia, and fre- 
quently in bark amongst the sur- 
rounding parenchymatous cells 
(Tschirch) ; Ast/rospheres (c¢aipa, 
a sphere), Strasburger’s term for 
ASTROCENTERS. 
