INDEX. 



351 



POLLEN-GBAIUa. 



Pollen-grains, relative diameter of, 

 249 



Polyantlius, 18 



Folygonacess, 111 



Polygonum historta, 114 



fagopyrum. 111, 239; pollen- 

 grains, 251 



Pontederia, 183 ; pollen-grains, 186 ; 

 size of anthers, 252 



cordata, 187 



Posoqueria fragra/as, 131 



Primrose, the common, 84, 57-71 



Primula, the, heterostyled species of, 

 14 ; summary on, 45-49 ; homo- 

 styled species, 49 



awricula, 30, 43, 48, 74, 223 



■ equal-styled varieties, 273 



eortuBoides, 44 



data, 49 



elatior, Jacq., 32 ; relative fer- 

 tility of the two forms, 33, 47 ; 

 not a hybrid, 72, 73 ; equal-styled 

 var. of, 224, 273 



farinosa, 45 ; equal-styled var., 



224, 273 



hirsuta, 74 



involucrata, 45 



longiflora, 50 



mollia, 49, 50 



Seotica, 49, 50 



Bibirioa, 49 



Silckimensis, 44, 47 



Sinensis, 22, 30, 38 ; relative 



fertility, 39-43, 47, 49; long- 

 styled, 213 ; short-styled, 215 ; 

 transmission of form, constitution 

 and fertility, 216; equal-styled 

 variety, 218-223, 273, 274 



stricta, 50 



veris, 14 ; diiference in struo- 



tiu-e between the two forms, 15 ; 

 • degrees of fertility when legiti- 

 mately or illegitimately united, 

 25-32 ; fertility possessed by ille- 

 gitimate plants, 228-234 ; equal- 

 styled red variety, 234-238 ; long- 

 styled, 241 ; length of pistil, 261, 

 266 



verticUlata, 49, 50 



villosa, 49 



' vtUgaris (var. aoaulis Linn.), 

 34 ; polleu-grains, 35 ; relative fei- 



16 



tility of the two forms, 37 ; length 



of pistil, 266 

 Primula valgariStVaT. rubra, 224-223 

 PrmuUla vulgaris, 299 

 Fsychotria, 135 

 Pulmonaria anguslifolia, 104, 239; 



anthers, 252, 287 



azurea, 110 



offloinalis, 101, 238 ; number of 



flowers, 248; pistil, 250 



B. 



Manunculus aquatilis, 311 

 Bay-ilorets, their use, 5, 6 

 Bkamnus cathartieus, 294, 307 ; size 



of corolla, 308 



frangula, 297 



lanceolatus, 295 



Bhinamthus crista-galli, 4 

 Bubiacese, 125, 131-186 ; size oi 



anthers, 252 ; stigmas, 253 ; 



number of heterostyled genera 



284, 285 

 Mudgea eriantha, 135 

 Bue, the common, 9 

 Buellia tuberosa, 329 



S. 



Salvia, 308 



eleiitogama, 340 



Sorminum, 8 



Satureia hortensis, 303, 304 



Saabiosa arvensis, 305 



■ — - atro-purpurea, 305, 307 



Buaaisa, 305 



Scott, J., on Primula auricula, 30, 

 43, 223; P. vulgaris, 34; (var. 

 rubra"), 224 ; P. Siklcimensis, 44 ; 

 P. farinosa, 45, 224 ; homostyled 

 Primulss, 49, 50 ; hybrids, 74, 75 ; 

 length of pistil, 272 ; Eottonia 

 pdltistris, 51 ; Androsace vital- 

 liana, 53 ; Polyanthus, 58 ; Mit- 

 chella repens, 127; Acanthaoese, 

 313; liranthemumambiguumheax- 

 ing three kinds of flowers, 329 



Bcropliularia aquatica, 147 



SerratiHa tinctoria, 280, 307 



Selhia acuminata, 122 



