INDEX 
205 
Salix prunifolia 39, 40 
x — pseudospuria 40 
x — — 43 
— pumila angustifolia inferne 49 
— — angustifolia prona 49 
— — foliis utrinque candicantibus 49 
— — folio rotundo 26, 27 
— — rhamni secundi clusii folio 48 
— punctata 33 
— purpurea 65, 66, 67, 68; plates 65, 
66, 67 
— — x repens 67 ; plate 68 
— — x viminalis 65, 68 ; plate 69 
— — x viminalis var. forbyana 68 
— — x triandra 68 
— — var. genuina 65 
— — var. gracilis 65 
— — var. helix 65, 66 
— — var. lambertiana 65, 66 ; plate 
67 
— — var. ramulosa 65, 66 
— — var. sericea 67 
— — var. vera 65, 66 ; plates 65, 66 
— — var. woollgariana 65, 66 
— radicans 44 
— ramulosa 66 
x — reichardti 53 
— repens 17, 38, 48, 49, 50, 51, 52, 
55, 67; plates 47, 48 
— — x viminalis 48, 51 
— — subsp. argentea 50 
— — subsp. dunensis 50 
— — subsp. rosmarinifolia 48, 49 
— — race eu-repens var. arenaria 50 
— — race rosmarinifolia 48, 49 
— — var. argentea 49, 50, 5 1 ; plate 48 
— — var. ascendens 49 
— — var. ericetorum 49, 50, 51 
— — var. fusca 49, 50, 51; plate 47 
— — var. genuina 49 
— — var. incubacea 50 
— — var. lanata 50 
— — var. parvifolia 49 
— — var. prostrata 49 
— — var. repens 49 
— — var. rosmarinifolia 49 
— — var. vulgaris 49 
— reticulata 25, 26, 28, 30; plate 29; 
map 3 
— retusa 31, 37 
— rosmarinifolia 38, 39, 48, 49, 51 
— rubra 68 
x— — 68 
— — var. forbyana 68 
— — var. helix 66 
— rugosa 61, 62 
— — var. stipularis 62 
— rupestris 41 
— russelliana 18, si 
x — — 21 
— sadleri 30 
x— — 29, 30 
x — saxetana 32 
— schraderiana 48 
x — — 48 
x — secerneta 67 
x — semireticulata 44 
— sericans 63 
x— — 63 
x — serta 40 
x — sesquitertia 57 
x — sibyllina 38 
— silesiaca 41 
x — simulatrix 40 
— smithiana 62, 63, 64 
x — — 63, 64 ; plate 63 
x — — var. ferruginea 61, 64 
x — — var. sericans 63 
x — — var. stipularis 64 
x — — velutina 64 
x — sobrina 35 ; plate 38 
x — sommerfelti 30, 32 
x — sordida 67 
Salix spathulata 57 
— sphacelata 53 
— spuria 36 
x — spuria 36, 40 
— speciosa 18, 19 
x — — 18 
x — stephdnia 29, 30 
— stipularis 64 
x — — 64 
— strepida 43 
x— — 43 
— stuartiana 34, 38 
x — subdola 22 
x — subsericea 55 
x — subversifolia 37 
x — superata 31 
— tenuifolia 44, 47 
— tenuior 44 
— tetrapla 47 
x— — 47 
— tephrocarpa 46 
x — — 46 
— tinctoria 16 
x — treverani 24, 25 
— triandra 18, 19, 22, 23, 24 ; plates 
2 5> 26 
— — x viminalis 21, 22, 24, 25 ; 
plates 27, 28 
— — x viminalis forma polyphylla 24 
— — var. amygdalina 23 ; plate 26 
— — var. genuina 23 ; plate 25 
— — var. hoffmanniana 23 
— undulata 21, 24, 25 
x — — forma hippophaefolia 24 
x— — 24, 25 
— vacciniifolia 39 
— vaudensis 43, 67 
x — — 67 
— velutina 64 
— venulosa 39 
— viminalis 24, 25, 33, 60, 61, 62, 63, 
68; plates 59, 60, 61 
— — var. angustissima 61 
— — var. genuina 61 
— — var. intricata 61 
— — var. leptostachya 61 
— — var. linearifolia 61 ; plate 61 
— — var. tenuifolia 61 
— — var. vulgaris 61 ; plates 59, 60 
— violacea 59 
— viridis 21, 22 
x — — 21, 22 
— vitellina 19, 20 
x — wahlenbergi 33 
— waldsteiniana 39 
x — wardiana 46, 47 
— weigeliana 44 
x — whitiana 40 
— woollgariana 65, 66 
— wulfeniana 44 
Sallow, Common 54; plates 52, 53 
— Goat 52 ; plate 49 
Salsola (by C. E. Salmon) 184 
— controversa 186 
— decumbens 185 
— fruticosa 183 
— kali 185, 186; plates 192, 193, 
194 
— — race gmelini 185, 186 
— — var. apula 186 
— — var. brevifolia 185 
— — var. brevimarginata 186 
— — var. calvescens 185, 186 
— — var. crassifolia 185 
— — var. glabra 185; plate 194 
— — var. hirsuta 185, 186; plate 193 
— — var. hirta 185 
— — var. latifolia 185 
— — var. longifolia 185 
— — var. marginata 185 
— — var. tenuifolia 185, 186 
— — var. tragus 185 
— — var. typica 185 
Salsola kali var. vulgaris 185 
— scariosa 186 
— spinosa 185 
— tragus 185, 186 
Salsolaceae 153 
Salsoleae 153, 184 
Saltwort, Prickly 185; plates 192, 193, 
194 
Sanguinei (series of Rumex) 133, 143 
Santalaceae 103 
Santalales 103 
Saxifragaceae 3 
Schizotheca 169 
— patula 173 
— — var. angustissima 173 
— — var. macrotheca 173 * 
— — var. macrotheca forma hastati- 
folia 173 
— — var. macrotheca forma integri- 
folia 173 
Schoberia macrocarpa 184 
— maritima 183, 184 
Sclerocalyma 179 
Scutati (series of Rumex) 130 
Sea beet 167; plate 171; map 38 
— blite 183; plates 190, 19 1 
— purslane 180; plate 187; map 41 
Sequoia sempervirens 106 
Sericeae 33 
Sessile-fruited oak 73; plates 73, 74, 75 
Sheep’s sorrel 132 ; plate 140 
Shrubby orach, Great 170; plate 172 
— saltwort 183 
Size of species xvi 
Small-leaved elm 93; plates 100, 101 ; 
map 12 
Small stinging nettle 100 ; plate 108 
Smooth-leaved elm 89 ; plates 90, 91, 
92, 93 
Snake-root 112; plate 120 
Sorrel, Common 131 ; plate 139 
— Mountain 128; plate 137 
— Roman 131 ; plate 138 
— Sheep’s 132; plate 140 
Spanish chestnut 76 ; plate 78 
Species, Citizenship of xx 
— size of xvi 
— subdivided by Linnaeus xiii 
— subdivided into varieties xvii 
Starting-point of nomenclature xi 
Stellaria 2 
Stinging nettle, Common 99 ; plate 107 
— — Small 100; plate 108 
Stinking Goosefoot 157 ; pi. 157 ; map 31 
Suaeda 182 
— chenopodioides 183 
— fruticosa 123, 183; plate 189; map 
43 
— macrocarpa 183, 184 
— maritima 183, 184; plates 190, 191 
— — var. ascendens 184 
— — var. flexilis 184; plate 19 1 
— — var. macrocarpa 184; plate 190 
— — var. procumbens 184 
Suaedeae 153, 182 
Suaedineae 182 
Suber (subsection of Quercus) 72 
Subvarieties xvii 
Suisse, Peuplier 12; plate 15 
Sweet chestnut 76 ; plate 78 
— gale 69 ; plate 70 
Symbols in trivial names, Linnaean xv 
Tacamahacca (section of Populus), 5, 12 
Taxus baccata 106 
Tea-leaved willow 44 ; plate 45 ; map 10 
Tear-thumb, American 112; plate 119 
Tetragoniaceae 150 
Teutliopsis (section of Atriplex) 169, 170 
Thesium 103 
— divaricatum var. humifusum 104 
— humifusum 104; plate hi; map 14 
— humile 104 
