INDEX 693 
Peacock flower, Cciesalpinia 
Pear, Pyrus ; alligator-, Per sea ; 
anchovy-, Grias ; Avocado- Per- 
sea; prickly-, Gpuntia; wooden-, 
Xylomelum 
Pearl millet, Pennisetum ; -wort, 
Sagina 
Pearson, H. H. W., 189, Welwit- 
schia 
Pecan, Cary a 
Pectinate, comb-like 
Pedalis, a foot long or high 
Pedate, 53 
Pedicel, 62 
Pediophytium (Cl.), an upland 
plant formation 
Peduncle, 62 
Peepul, Ficus 
Pekoe, Thea 
Pelagium (Cl.), a surface sea 
formation 
Pelican flower, Aristolochia 
Pellitory, Parieiaria 
Pellucid, transparent 
Peloria, 74, 23, Scrophulariaceae, 
Lin aria 
Peltate leaf, 52 
Pencil cedar, Jnniperus ; -flower 
(Am.), Stylosanthes 
Pendulous, drooping ; -infloresc- 
ence, 86; -ovule, 82; -shoots, 157 
Penicillate, brush-shaped 
Penny-cress, Thlaspi ; -royal, 
Mentha ; -wort, Cotyledon , Hy - 
drocotyle 
Penta- (Gr. pref.), five ; -cyclic, 
70 ; -merous, 70 ; -gynous, with 
5 pistils 
Penzig, O., 148 
Pepo, 108, Cucurbit aceae 
Pepper, Piper ; African- (W. I.), 
Xylopia ; betel-, Piper ; Cay- 
enne-, Capsicum ; -bush (Am.), 
Clethra ; -elder (W. I.), Pepero - 
mia 9 & c. ; -grass (Am., W. I.), 
Lepidium ; Guinea- (W. I.), 
Xylopia , Capsicum ; Japan-, 
Z,anthoxylum ; -mint, Mentha ; 
negro- (W. I.), Xylopia ; red-, 
Capsicum ; -rod (W. I.), Croton 
humilis L. ; -root (Am.), Den- 
taria ; -tree, Schinus ; wall-, 
Sedutn; water-, Elatine ; -wort- 
(Am.), Lepidium 
Pepperidge, Nyssa 
Percurrent, extending throughout 
entire length 
Perennial, 15 1, 60, 168, 44 
Perfoliate leaf, 51 
Perforate, pierced through, or with 
translucent dots 
Perfumes, 200, Acacia 
Peri- (Gr. pref.), around; -anth, 
75*67, 70, in; -carp, 109, no; 
-chylous, aqueous tissue outside 
green tissue ; -derm, bark ; 
-gone, perianth; -gyny, 71, 72, 
76, 77 ; -sperm, 105, 106 
Periodicity in life history of plants, 
144, 151, Agave, Fagus 
Periwinkle, Vinca 
Pernambuco rubber, Hancornia 
speciosa Gomez 
Perpusillus (Lat.), very small 
Pers., Persoon 
Persian berries, yellow berries ; 
-insect powder, Chrysanthe- 
mum ; -lilac, Indian lilac 
Persimmon, Diospyros 
Persistent perianth, 77 
Personate corolla, 77 
Pertusate, with slits 
Peru-bark, Cinchona ; balsam of, 
Toluifera 
Peruvian bark, Cinchona ; -nut- 
megs, Lauretia 
Pet., petal, 67, 77 
Petalody, change of stamens to 
petals 
Petaloid perianth, 77 ; staminodes, 
79 
Petalomania, abnormal increase of 
petals 
Petiole, 46, 50, 51 
Petraeus (Lat.), growing on rocks 
Petrium (Cl.), a rock formation 
Petrodium (Cl.), a boulder-field 
formation 
Petty whin, Genista 
Pfl. R. , das Pllanzenreich 
Phaenogams, Phanerogams 
Phaenology, 1 44 
