350 



INDEX, 



PRIMULA. 



Primula Scotica, 49, 50. 



Sibirica, 49. 



Sikkimensis, 44, 47. 



Sinensis, 22, 29, 38 ; relative 



fertility, 39-43, 47, 48; long- 

 styled, 213 ; short-styled, 215 ; 

 transmission of form, constitu- 

 tion and fertility, 216 ; equal- 

 styled variety, 218-223, 273, 274. 



stricta, 50. 



veris, 14 ; difference in struc- 



ture between the two forms, 15 ; 

 degrees of fertility when legiti- 

 mately or illegitimately united, 

 25-32 ; fertility possessed by ille- 

 gitimate plants, 228-235 ; equal- 

 styled red variety, 235-239 ; 

 long-styled, 242 ; length of pistil, 

 262, 266. 



— verticillata, 49, 50. 



— villosa, 49. 

 vulgaris (var. acaulis Linn.), 



34 ; pollen-grains, 35 ; relative 



fertility of the two forms, 36 ; 



length of pistil, 267. 

 Primula vulgaris, var. rubra, 225- 



228. 

 Prunella vulgaris, 298. 

 Psychotria, 135. 

 Pulmonaria angusti folia, 104, 240 ; 



anthers, 253," 287. 



azurea, 110. 



officinalis, 101, 239 ; number 



of flowers, 249 ; pistil, 251. 



R. 



Ranunculus aquatiHs, 310. 



Ray-florets, their use, 5, 6. 



Rhamnus catharticus, 293, 307; size 

 of corolla, 308. 



frangula, 296. 



— - lanceolatus, 295. 



Rhinanthus erista-galli, 4. 



Rubiacese, 125, 131-136 ; size of an- 

 thers, 253 ; stigmas, 254 ; number 

 of heterostyled genera, 284-286. 



Rudgea eriantha, 135. 



Rue, the common. 9. 



Ruellia tuberosa, 328. 



S. 



Salvia, 307. 



cleistogama, 339, 



TREVIEANUS. 



Salvia Horminum, 8. 



Satureia hortensis, 302, 304. 



Scabiosa arvensis, 304. 



atro-purpurea, 305, 307. 



succisa, 305. 



Scott, J., on Primula auricula, 30, 

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

 rubra ) , 225 ; P. Sikkimensis, 44 ; 

 P. farinosa, 45, 224 ; homostyled 

 Primulse, 49, 50 : hybrids, 74, 75 ; 

 length of pistil, 272; Hottonia 

 palustris, 51 ; Androsace vital- 

 liana, 53; Polyanthus, 58; Mit- 

 chella repens, 127 ; Acanthacex, 

 312 ; Eranthemum ambiguum bear- 

 ing three kinds of flowers, 328. 



Scrophularia aquatica, 147. 



Serratula tinctoria, 280, 306. 



Sethia acuminata, 123. 



Sethia obtusifolia, 123. 



Smith, Sir J. E., on the carrot, 8; 

 hybrid Verbascnms, 76, 78; Ser- 

 ratula tinctoria, 280 ; Cnicus, 306 ; 

 Subularia, 310. 



Soldanella alpina, 54. 



Specularia perfoliata, 329. 



Spence, Mr., on Mollia, 168. 



Spermacoce, 135. 



Sprengel on Hottonia palustris, 

 50. 



SteUaria graminea, 312. 



Strawberry, the Hautbois, 293. 



Subularia, 310. 



Suteria, 131. 



T. 



Thelymitra. 312. 



Thomson, Dr., on Campanula, 329. 

 Thrum-eyed, origin of term, 14. 

 Thwaites, Mr., on ovules of Lim- 



nanthemum Indicum, 115 ; Sethia 



acuminata, 123 ; Discospermum, 



286. 

 Thymelia, 114. 

 Thymus citriodorus, 301. 



serpyllum. 299, 301, 304. 



vulgaris, 302. 



Timbal-Lagrave, M., on hybrids 



in genus Cistus, 76. 

 Torrey, Dr., on Hottonia inflata, 



53, 312. 

 Transmission of the two forms of 



heterostyled plants, 269-270. 

 Treviranus on Androsace vitalliana, 



53 ; Linum, 81. 



