244 
Index 
pavonta. Curt. 240 
pavonia, Linn. f. 240 
pedunculate, Medic. 238 
pelogonus, Goodding 91 
persica, Linn. 187, 188, 189 
var. azurca 192 
var. BolUana 190 
var. gala t tea 19 1 
var. Isaacson i 191 
var. issica 191 
var. magna 192 
var. mardinemis 192 
var. purpurea 191 
var. Sieheana 192 
var. stenophyUa 192 
var. Tauri 192 
picte, Hot. Gart. Halle 240 
picta. Miller 239 
planifolia, Fiori e Paolctti 193 
plicate, Lamarck 167, 173 
plumaria, Thunbcrg 240 
Pogoniris Section, The 17, 135 
Polakii, Stapf 113 
Polonica, Blocki 1 57 
polystachya, Thunberg 240 
pomeridiana, Fischer 97 
pontica , Zapal. 68 
portugalica, Hort. Eystt. 146, 159 
Potanini, Maxim. 135, 153, 154 
praecox, Pallas 153 
praccox, Salisb. 189 
pratensis, Lam. 20 
prismatica, Pursh 19, 20, 31 
propendens, Lange 239 
pseudacoruB, Linn. 76, 233 
varieties of, 78 
var. acoriformis 78 
var. acoroides 78 
var. Bastardi 78 
pseudacorus, Regel 75 
pseudocyperus, Schur 66 
pseudograminea, Schur 66 
Pseudomonas Iridis 16 
pseudopulcherritna, E. Berg 239 
pseudopumila, Tineo 135, 136. 141, 
142, 146, 167 
Pseudoregelia Section, The 17, 
129 
pseudosibirica, Schur 239 
pseudovariegate, Leichtlin 239 
Puecinia Iridis 16 
pule/tella, Regel 79 
pulcherrima, E. Berg 239 
pumila, Linn 135, 140, 141, 142, 
148, 149, 150, 155, 162 
colour varieties of 143 
var. aequiloba 144 
var. azurca 14 1, 143 
var. coerulea 141, 143 
possible natural hybrid of, with 
aphylla 143 
pumila, Bivona 146 
pumila, Vill. 148 
pumila , Savi 239 
pumilac affinis, Pallas 153 
punctata, Moench 120 
Purdyi, Eastwood 42 
purpurasccns, E. Berg 239 
Pursind, Hort. 191 
Pygmaea, Pallas 153 
pyrcnaca, Bubani 2 1 1 
pyrenaica, Bubani 21 1 
pyrcnaica, Linn. 239 
ramosa, Thunberg 240 
ramosissima, Linn. f. 240 
Redoutcana, Spach 171, 172 
reflexa, E. Berg 157 
Rcgcli, Maxim. 32 
Regelia Section, The 17, 123 
Regeliocyclus hybrids 234 
Rcic/icnbac/tiana, Baker 1 5 1 
Rcichenbachiana, Klatt 60 
Reichenbachii, Heuffel 135, 136, 
141, 142, 150, 151, 155 
repauda, E. Berg 239 
reticulata, M. Bieb. 220, 221, 222, 
228 
var. cyanea 222 
var. histrio 223 
var. Itistrioidcs 224 
var. humilis 222 
var. Krelagci 222 
var. Melusine 222 
var. purpurea 222 
var. sop hen en sis 225 
Reticulata Section, The 17, 220 
Ricardi, Hort. 176, 177 
rigida, Fieber 157 
Robinsoniana, F. Muell. 240 
Robinson ii, Hort. 240 
Rosenbachiana, Regel 187, 189, 
206. 209 
var. baldshuanica 206. 207 
Rosflii, Baker 48 
Rosthornii, Diels 102 
rubesceus, Rafin. 239 
rubromarginate, Baker 141, 149, 15 1 
rupestris, Salisb. 239 
ruthenica, Ker-Gawl. 18, 52, 138 
confused with Purdyi 54 
ruthenica, Ker 68 
sabina, Terracciano 239 
salsa, Pallas 239 
Samaritanii, Heldreich 230 
sambucina, Linn. 135, 156, 157, 160, 
172, 234 
sanguinea, Donn 23 
Sari, Schott 109, 114 
var. lurida 114, 115, 119 
var. nazarensis, 1 1 9 
saliva. Miller 77, 239 
scapifcra, Borbas 143 
scariosa, Willdenow 135, 136, 178 
Scarlet-seeded Iris, The 18, 50 
Schmidtii, Hort. 157 
scorpioides, Desfontaines 193 
Self-fertilisation of Apogon Irises 
13 . »9 
serbica. Pane. 141, 151, 152 
serotina, W i 1 1 kom m 213 
setacea, Thunberg 240 
seti/olia, Linn. f. 240 
setosa. Pallas 76, 92. 233 
var. canadensis 93 
sibirica, Linn. 19, 20 
var. orientalis 23 
var. sanguinea 23 
compared with Delavayi 26 
compared with orientalis 22, 
25 
hybridised with Delavayi 23 
hybridised with Clarkei 30 
sibirica group, The 18, 19 
sibirica, Hook, and Arnott 239 
sibirica in Somoku Zusetsu 104 
sibirica, Thunberg 23 
siaela , Todaro 168, 239 
Sieheana, Lynch 192 
sikkimensis. Dykes 129, 130, 134 
silvestris, Veil. 240 
sindjarensis, Boiss. et Hauss. 187, 
188, 196 
Sind pur, Hort. 191 
Sintenisii Janka 69, 141 
sisyrinchium, Linn. 229 
var. fugax 230 
var. minor 230 
var. monophylla 230 
Skorpi/i, Velenovsky 15 1 
sofarana Foster 109, 121 
var. magnifica 12 1 
sogdiana, Bunge 62 
songarica, Schrenk 7 1 
sordida, Retzius 239 
sordida, Solander 239 
sordida, Willdenow 239 
spathacca , Jaume St Hil. 239 
spathacca, Thunberg 240 
spathulata, Cav. 239 
spathulata, Lamarck 58 
spathulata, Linn. f. 240 
spcciosa, Terracciano 239 
spectabilis, Salisb. 162 
spectabilis, Spach 213, 239 
speculatrix. Hance 99, 105 
Sprengeri, Siehe 1 r 2 
spuria, Linn., a name for a group 
of plants 58, 141, 164, 210 
group, The 18, 57 
var. danica 61 
var. halophila 62 
var. hi span tea 60 
var. maritima 59 
var. Rcichenbachiana 60 
var. subbarbata 61 
American species allied to 
81 
Cultivation of 58 
its resemblance to xiphium 
57 
spuria, Pallas 239 
squalens, Linn. 135, 157, 160, 172, 
234 
squalens , Georgi 239 
squalens, Petagna 239 
squalens, Thunb. 99 
Standards, a convenient, if sometimes 
inappropriate, term 12 
Stetellac, Todaro 146 
stenogyna, Delarbe 62 
stenoloba, A. De Candolle 142 
stenophylla, Haussk. und Siehe 192 
Stocks!!, Hemsley and Lace 188, 
201 
stolonifera, Maxim. 124 , 125 
Straussii, Leichtlin 117 
Straussii, Lynch 15 1 
Straussii, Mich^li 149 
stricta, Moench 20 
stylosa, Desfontaines 54 
var. august if olia 54 
suaveolens, Boiss. et Reut. 141, 239 
suavcolens, A. Terr. 239 
suavis, Salisb. 66 
subbarbata, Joo 58, 61 
subbiflora. Brotero 135, 136, 141, 
142, 145, 158 
Subdivisions of the genus, The 13 
