348 



INDEX. 



GYXO-DHECIOUS. 



119; Phlox subulala, 119; Mil- 

 chella repens, 125 ; heterostyle<l 

 plants, 244 ; Coprosma, 285 ; Eu- 

 onymus, 287 ; Rhamnus lanceo~ 

 lalus, 295, 296 ; Kpigxa repens, 

 297; Ilex opaca, 298; Plantago 

 media, 3 : 17; Ojtybtphus and Nycta- 

 ginia, 313; Impatiensfulva, 328; 

 Leersia, 334 ; cleistogamic flowers, 

 342 

 Gyno-dicecious plants, 298 



Hart, Mr., on Nepeta glechoma, 301 



Hautbois Strawberry, the, 293 



Hedyntis, 133 



Henslow, Bev. Prof., on hybrid Pri- 

 mulx, 61 



Henslow, Eev. G., on flowers self- 

 fertilised during the winter, 343 



Herbert, Dr., on hybrid Primulse, 

 Gl 



Heterostyled plants, illegitimate off- 

 spring of, 1 88-243 ; essential cha- 

 racter of, 244 ; summary of the 

 differences of fertility between 

 legitimately and illegitimately fer- 

 tilised plants, 246; diameter of 

 pollen-grains, 249 ; size of anthers, 

 structure of stigma, 252 ; list of 

 genera, 255; advantages derived 

 from Heterostylism, 258 ; means 

 by which plants became hetero- 

 styled, 260 ; transmission of form, 

 268; equal-styled varieties, 272; 

 final remarks, 275 



dimorphic plants, 14-54, 81- 

 136 



trimorphic plants, 137-187 



Hibiscus, pollen-grains, i)38 



Hihlebrand, Prof., introduces the 

 word " heterostyled," 2 ; on the 

 ray-florets of the Composite, 5, 6 ; 

 Primula Sinensia, 38, 40-43, 192, 

 217 ; Linum grandflorum, 86, 87 ; 

 L. perenne, 92; Pulmonaria ojfi- 

 cinalis, 101-103, 107, 239; P. 

 azurea, 110; J'olygonum fagopy- 

 rum, 111; Oxalis, 169. 171-174, 

 178 182, 211-213, 322; 1 erma- 



phrodite plants becoming uni- 

 sexual, 283; Hordeum, 333 



Homostyled species of Primula, 49 



Hooker, Dr., on Campanula, 330 



Hordeum, 332 



Hotttmia inftata, 53, 313 



palustris, 50; relative fertility, 



52; anthers of, 252; papillae on 

 stigma, 254 



Houtonia oftrulta, 132, 254 



lloya carnosa, 33 1 



Hybrid Primulas, 55-71 



Hydrangea, 6, 7 



llypericinex, 123 



Hyssopus ojfticinalis, 299 



I. 



Ilex aqui'folium, 297 



opaca, 298 



Illegitimate offspring of heterostyled 

 plants, 188 ; Lythrum salicaria, 

 dwarfed stature and sterility, 192 ; 

 Oxalis, transmission of form to 

 seedlings, 212 ; Primula Sinensis, 

 in some degree dwarfed, 215; 

 equal-.-tyled varieties, 218-223; 

 Primula, vulgaris, 224 ; trans- 

 mission of form and colour, 225 ; 

 seedlings, 227; P. veris, 228; 

 dwarfed stature and sterility, 

 229-231 ; equal-styled varieties, 

 234, 238; parallelism between 

 illegitimate fertilisation and hy- 

 bridism, 242 



Illecebrum, 311 



Impatiens, pollen-grains of, 338 



balaamina, 328 



fulva, 327 



noli-me-tangere, 328 



J. 



Juglans regia, 10 

 Juncus bufonius, 332, 343 

 Jussieu, A. do, on Malpinhiacese. 

 331 



E. 



Kemer, Prof., on ray-florets, 6 ; Aun* 

 cula, 43 ; hybrid forms of Primula^ 

 55, 73 ; on use of hairs within 



