Pollen 



polyadelpMan 



Acanthaceae have received special 

 names from L. Radlkofer and G. 

 Lindau, which have been used in 

 their original fonn'in the " Flora of 

 Tropical Africa " ; the following 

 account of them may be useful : 

 Dan^'ben '^ (Stave --') a modifica- 

 tion of Schalen- or Spalten '- , with 

 broadened fissures having a stave- 

 like insertion ; Do''sen '^ (Box '-'), 

 elliptic, with three longitudinal 

 stripes and a pore in each ; Facet- 

 tier'ter '^ (Facet ~ ), with facetted 

 surface ; Fal'ten '- (Fold '- ), with 

 smooth surface and three deep 

 longitudinal grooves; glat'ter ^ 

 (smooth '-' ), destitute of prominent 

 markings ; Gur'tel '- (Girdle '^ ), 

 having a zone of varied marking; 

 Kam'mrad '^ (Cogwheel ^ ), having 

 regular projections on the equa- 

 torial region ; Knbt'chen '-' , an 

 abbreviation for Endtchendo'sen '-' 

 (Nodule ~ ), having a tuberculate 

 surface ; Lin'sen ~ (Lens ~ ), 

 doubly convex in form ; RaVmen 

 -< (Frame '-' ), with six small and 

 three broad streaks between the 

 poles ; Bip'pen ^ (Rib --' ), with 

 longitudinal ribs having punctate 

 markings on them ; run'der '~' 

 (round -^ ), spherical in form; 

 Schalen -^ (Shell '^ ), with three 

 slits, which do not reach the poles, 

 and without pores, the pollen-tubes 

 emerging from the slits, ef. Spal- 

 ten ~ ; Spal'ten ~ (Fissure '-- ), 

 with three longitudinal fissures, 

 sometimes with pores in them ; cf. 

 Schalen ~' ; Span'gen -^ (Clasp 

 -^ ), main ribs three, smaller ribs 

 six, with three pores in the equa- 

 torial region, one between each two 

 of the smaller ribs : Sta'chel ^ 

 (Spine ~ ), having a spiny surface, 

 pores from three to many ; Wa'ben 

 '-' (Honeycomb -^ ), having an 

 areolate surface ; porienate, to fer- 

 tilise by pollen ; Pollena'tion = 

 Pollination ; poUenif erous, -rus 

 {fero, I bear), pollen-bearing ; Pol'- 

 lenine, the contents of pollen- 

 grains ; Polleno'dy, the develop- 



ment of sporogenous tissue of the 

 nucellus into pollen, in place of an 

 embryo-&ac (Worsdell) ; Porienoid 



= POLLINOID. 



Pollex (Lat., a thumb), an inch in 

 length, nearly 25*4 mm. 



pollica'ris (Lat., pertaining to a 

 thumb), an inch in length, about 

 the length ot the end joint of the 

 thumb. 



Pcllina'rium, pi. Pollina'ria {pollen, 

 fine flour), (1)= AndPwOkcium ; (2) 

 = Cystidium. 



pollina'rius (Lat.), pertaining to fine 

 flour ; pollino'sus, as though dusted 

 with pollen. 



poU'iiiate {pollen, fine flour), to apply 

 pollen to the receptive surface of the 

 female organ; pol'linated,^<3ZZ?»ia'^u«, 

 when a stigma is supplied with pol- 

 len ; Pollina'tion, the placing of the 

 pollen on the stigma or stigmatic 

 surface ; lateral, - , cf. pleuro- 

 TRiBAL ; o'ver '^ cf. nototribal ; 

 und'er -' ,c/, sternotribal; pollin'- 

 ic Chamb'er = Pollen-Chambeii ; 

 pollin'icus, composed of or bearing 

 some relation to pollen ; Poriinide, 

 a single antheridial corpuscle (Siro- 

 dot; Pollin'ium, pi. Pollin'ia, a 

 body composed of all the pollen- 

 grains of an anther-loculus, a 

 pollen-mass ; Polliniza'tion = Pol- 

 lination ; PoUino'dium, in Asco- 

 mycetes, a male sexual organ which 

 conjugates with a female organ, di- 

 rectly or by outgrowth ; Poriinoids 

 (eI5os, resemblaance), naked motion- 

 less masses of protoplasm, spherical 

 or elongated, sometimes beaked,, act- 

 ing in the place of antherozoids in 

 Florideae. 



Polot'ropism {Tr6\os, a pivot ; rpoir^, a 

 turning), the tendency to direct 

 proximal or distal extremities to 

 the same point or pole (Vochting). 



Porverine (Ital., polverino), calcined 

 ash of a soda-yielding plant. 



Polyaderphia (iroxi/s, many ; iLie\<phs, 

 a brother), a Linnean artificial class 

 with stamens grouped into several 

 brotherhoods or bundles ; adj. poly- 

 adelp'houB, polyaderphian ; poly- 



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