490 
Sorastrum, Avitz., 157. 
Hathoris, Schmidle, 137. 
spinulosum, Näg., 196. 
Sordaria curvula, De Bary, 415. 
platyspora, Plowr., 415. 
pleiospora, Wint., 415. 
sp, 415; mentioned, 414. 
Southern or hot country species, 439, cf. 
435. 
Sparattanthelium, Mart., 292. 
Sparganium erectum, Linn., 911. 
Spathicarpa, Mook., 43. 
Spathodea campanulata, Beauv., 200 ; men- 
tioned, 229. 
Spathoglottis aurea, Lindi., 328. 
Wrayi, Hook. f., 328. 
Species, their areal density (Gadow), 437. 
Spermatophyta, Fern-like, 30; of Pahang, 
309. 
Sphacelaria rigida, Kitz., 444. 
Sphierocystis, Chodat, 140. 
Schroeteri, Chodat, 96, 07, 146; not 
found in African Lakes, but in 
Lofu Hiver, 84. 
Spherogonium incrustans, Rostaf., 184, 
Spherozosma, Corda, 131. 
excavatum, Ra/fs, 131. 
Spherozyga iue qualis, Kütz., 170. 
Sphagnum, Dùl, from Outer Hebrides, 
283-284. 
Junghuhnianum, Роду § Molk., 335. 
Sphinctosiphon, G. 5. West", 145 ; men- 
tioned, 20. 
polymorphus, 6. S. West, 145; men- 
tioned, 20, 82, 91. 
Spilanthes Acmella, Linn., 23. 
Spiræa, Linn., in Mexico, 431 ftnote, 
Blumei, G. Don, var. Maximowiezii, 
Dunn ^, 359. 
Ma imowiezii, Schneider, 359. 
prunifolia, Sieb. $ Zucc., var. integri- 
folia, Dunn *, 359. 
Ulmaria, ZLi»n., 209. 
Spirogyra, Link, 96; sterile species, 107, 
wquinoctialis, G, 5. West *, 105. 
bellis, Cleve, 106. 
var, minor, G. 5. West *, 106. 
crassa, Kitz., mentioned, 107. 
decimina, Avitz., 106. 
forma tropica, И”. $: G. S. West*, 
106. 
INDEX. 
Spirogyra decimina forma, W. § G. S. 
West, 106. 
Füllebornei, Schmidle, 106. 
longata, Wittr., mentioned, 105. 
neglecta, Kiitz., 106. 
var. ternata, И” $ G. S. West, 
106. 
nitida, Link, 106. 
porticalis, Cleve, 105, 
var. africana, G. 5. West *, 105. 
Sehmidti, W. $: G. S. West, mentioned, 
105. 
sp., 105. 
ternata, Ripart, 106. 
Spirulina, Turp., 178; 
cells, ӨЗ, 
gigantea, Schmidle, 179. 
Gomontii, Gutw., 179. 
laxissima, G. 5. West *, 93,175; men- 
tioned, 86 ftnote, 90. 
Princeps, W. $; G. S. West, 179, 
subsalsa, Gomont, 178. 
tenuissima, Kitz., 178. 
Sporophylls, their function, 37. 
Sporormia ambigua, Niessl, 416. 
intermedia, Auersw., 416. 
pascua, Niessl, 416. 
Spruces of China, distrib., 204. 
Spyridia filamentosa, J. Ag., 445. 
Stachys aculeolata, Hook. А, 276; 
tioned, 231. 
arvensis, Linn., 210, 218. 
palustris, Linn., mentioned, 918. 
sylvatica, Linn., 910, 218, 
Stamen as sporophyll, 48: as male organs, 
3l. 
Staurastrum, Meyen, 124; from Victoria 
Nyanza, 92. 
acanthastrum, W. § GG. S. West, men- 
tioned, 130, 
alternans, Bréb., 195. 
anatinum, Cooke § Wills, 129, 
хаг, subglabrum, С. 5. West *, 
129, 
angulare, W. B, Turn., mentioned, 126. 
aspinosum, Wolle, mentioned, 130. 
brevispinum, Bréb., 124. 
var. inerme, Wille, 124; men- 
tioned, 91. 
contortum, Delp.,var, pseudotetracerum, 
Nordst., 127. 
cf. 86 
ftnote ; 
men- 
