Pollination 



(470) 



Ramenta 



Pollination, the application of 

 pollen grains to a stigma to 

 effect fertilisation. 



Pollinia, masses of pollen found 

 in Orchids and Asclepiads. 



Poly-, many, numerous ; e.g. poly- 

 phyllus, many leaved. 



Polyadclphus, stamens fused into 

 many bundles. 



Polyandrous, many stamened. with 

 more than twenty stamens. 



Polycarpie, plants which produce 

 flowers and fruits many times 

 during their lives ; many 

 fruited. 



Polygamous, applied to plants 

 which bear hermaphrodite as 

 well as male and female flowers ; 

 e.g. the Ash. 



Polyyonatus, a stem with many 

 knots. 



Polygymius, with many pistils. 



Polymorphous, assuming many 

 shapes or forms. 



Polypetalous, with distinct and 

 separate petals. 



Pome, a fleshy seed vessel without 

 valves, covering the capsule 

 which contains the seeds, as in 

 the Apple and Pear. 



Pores, the orifices in the outer 

 cuticle of plants through which 

 transpiration takes place. 



Porous, opening by pores. 



1'orpliyreous, brown or warm red 

 in colour. 



Porrigens, extending. 



Posterior, placed next to the axis 

 of the inflorescence. 



Pmick, a short seed pod, as the 

 seed vessel of the Honesty or 

 Shepherd's Purse ; the little 

 sac found at the base of some 

 petals. 



Prcecox, appearing comparatively 

 early, precocious. 



Prcemorxc, with a ragged termina- 

 tion, as though bitten off ; e.g. 

 the root of Scabiosa succisa 

 or the petals of the common 

 Mallow. 



Prcenomen, sometimes used to in- 

 dicate the generic name. 



Preestans, good, excellent. 



Prasinus, grass green. 



Pratensis, growing in meadows. 



Prickle, a hardened, sharp, conical 

 appendage formed on the epi- 

 dermis. 



Primine, the outer coat of the 

 ovule. 



Primordial, the first to appear, 

 applied generally to the first 

 true leaves formed on a plant. 



Princeps, chief. 



Prismaticus, with an angular cir- 

 cumference; prism shaped. 



Proboscidptis, with a hard, ter- 

 minal horn. 



Proeerus, very tall, tall and 

 slender. 



Procumbent, lying on the ground, 

 as the stems of trailing plants. 



Procurrens, running forward. 



1'rofusus, profuse, extravagant. 



Proliferous, forming abnormal 

 flowers or shoots ; e.g. the Hose- 

 in-Hose primrose and the Hen 

 and Chickens Daisy. 



Prolifiealion or Proliferation, the 

 production of plants by means 

 of buds rather than by seeds ; 

 eg. Asplenium bulbiferum, Lil- 

 ium tigrinum, bulbifernm, etc. 



Promts, prostrate, lying flat with 

 the face downwards, 



Propendcnt, hanging forward and 

 downward. 



Propliylla, primary leaves. 



Propinquus, related, near. 



Prostratus, prostrate, lying down. 



Protandrmis,'wit\\ anthers ripening- 

 pollen before the pistils are 

 receptive. 



Prothallus, the first stage of a 

 Cryptogamous plant, which is 

 produced by the germination 

 of a spore. 



Protogynous, applied to flowers 

 whose pistils .are receptive 

 before the anthers have ma- 

 tured their pollen. 



Protoplasm, the living matter ; 

 colourless, granular, semifluid. 



Protrusus, protruding, as the 

 stamens of the Amaryllis or 

 Hippeastrum. 



Pntinateor Pruinose, covered with 

 glittering particles, frosted. 



Prurient, stinging, causing irrita- 

 tion. 



Pseudo-, false. 



Pseudo-bulb, bulb-like in appear- 

 ance, but not a true bulb ; the 

 thickened leaf-base of rnany 

 Orchids. 



Psilos, thin, bare. 



1'sittacinus, like a parrot. 



Ptero-carpous, wing fruited. 



Pteron, a wing. 



1'tibt'S, clothing. 



Pubeseent, clothed with soft downy 

 hairs. 



Pugioniform, dagger shaped. 



Pulcher, fair, beautiful, pretty. 



Pulakerrinuu, very beautiful. 



Piilliis, of a dark brown colour. 



Pulposus, soft and tenacious, as 

 the flesh of the Cherry. 



Puh-eratus, dusted, as the leaves 

 of the Auricula. 



Pvherulentus, covered with fine 

 powdery matter. 



Pvlrinate, cushion or pillow 

 shaped. 



Pulmnus, a cushion-like swelling 

 at the base or at the apex of 

 the petiole of some leaves. 



Pumilus, dwarf, short, low growing. 



Punctatus, dotted. 



Punctnlate, covered with minute 

 dots. 



Pimgens, penetrating, pricking, 

 stinging ; terminating in a 

 sharp point, as the lobes of 

 the Holly leaf. 



Puniccus, bright red. 



1'urpurascens, becoming purple. 



Purpurevs, purple in colour. 



Piisilltis, small or weak. 



Pustulate, covered with blister- 

 like, glandular excrescences. 



Pustulosus, covered with pimples. 



Putamen, the hard inner part of 

 the carpel of a stone fruit. 



I'l/tfr/K/'its, dwarf. 



J'ymnmt/nis, with yellow spines. 



Pyramidal, in the shape of a 

 pyramid or cone. 



Pyriforui, Pear shaped. 



Pyxidate, furnished with a lid. 



Pyxif, a capsule which opens by 

 means of a lid, as in Anagallis. 



Q 



Quadrangularis, four angled or 



cornered. 

 Quadri-, four. 

 Quail rijidiis, four cleft. 

 Qiiadrifoliale, with four leaves 



springing from a common 



point. 



Quaternary, arranged in fours. 

 tjuaternati', pinnate, with pinnre 



arranged in fours. 

 Quercifoli us. Oak-leaved. 

 Quin or Quinque, five. 

 Quinalc, with the parts arranged 



in fives. 

 Quinquefoliate, with five leaves 



arising from the same point. 



B 



Race, the name given to a variety 

 of a plant which may be re- 

 produced from seed. 



Raceme, a cluster of flowers on 

 stalks arranged singly along a 

 common stem or axis ; e.g. the 

 blossoms of the Laburnum. 



Raceinifcrous, bearing racemes. 



Racemose, growing in racemes. 



Racltis, spike stalk; the part of 

 the stalk of a Fern frond which 

 carries the leaflets or pinnae. 



Radiate, like the spokes of a, 

 wheel, arranged around a 

 common centre ; e.g. florets of 

 the Daisy and other Composite 

 flowers. 



Radical, belonging to or proceed- 

 ing from the root ; the leaves 

 at the base of the flower stalk. 



Radicans, producing roots. 



Radift'l, a small root, a rootlet. 



Radieiforus, flowering, or appear- 

 ing to do so, from the root. 



Radicle, the embryonic root in a 

 seed. 



Radirose, having a large root. 



Radii, rays, the outer florets in 

 a radiate compound flower. 



Radix, the root ; the part which 

 develops from the radicle. 



Ramenta, chaffy scides covering the 

 stems and leafstalks of many 

 Ferns and some other plants. 



