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Show IV CONTENTS. fertilised plants of the later generations, and the sterility o[ their first-produced flowers- Uniform colour of the flowers produced by the self-fertilised plants- rrhe advantage from a cross between two distinct plants depends on their differing in constitution . . Page 2 -r>~ CHAPTER III. ScROPIIULARIACE1E, GEsNERIACE.iE, LABIAT..iE, ETc. Mimulus luteus; height, vigour, and fertility of the crossed and self-fertilised plants of the :first four generations- .App arance of a new, tall, and highly self-fertile variety- Of£·pring from a cross between self-fertilised plants- Effects of a crosl:i -vvith a fresh stock- Effects of crossing flowers on the same plantSummary on Mimulus luteus- Digitalis purpurea, superiority of the crossed plants- Effects of crossing flowers on the same plant- Calceolaria- Linaria vulgaris- Verbascum tbapsusVandellia nummularifolia- Cleistogene fiowers-Gesneria pendulina- Salvia coccinea- Origanum vulgare, great increase of the crossed plants by stolons- Thnnbergia alata G3-97 CHAPTER IV. CRUClFER.lE, PAPAVERACE..iE llESEDACElE ' ' ET. Brassica oleracea, crossed and self-fertilised plants- Great effect of a cross with a fresh stock on the weight of the offi pring- Il>cri ~mbell.ata- .Papaver vagum- Escbscholtzia californica, seedlings from a cross with a fresh stock not more virrorous but more fertile than the self-fertilised seedlings- Rel:iecl: lutea' and o~orata, many individuals sterile with their own pollen- Viola tncolor, wonderful effects of a cross- Adonis restivalisDelphinium consolida- Viscaria oculata, crossed plants hardly taller, but more fertile than the self-fertilised- Dianthus caryop~yllus, crossed and self-fertilised plants compared for four gen.eratwns- Great effects of a cross with a fresh stockU~ l~orm co~our of tbe flowers on the self-fertilised plantsH1b1scus afncanus .. . . .. 98-141 CONTENTS. v CHAPTER V. GERANIACEM, LEGUMINOSlE, 0NAGRACE1E, ETC. Pclargonium zonale, a cross between plants propagated by cuttings does no good- rrropreoluru minus- Limnanthes douglasiiLupinus luteus and pilosus- Phaseolus multiflorus and vulgaris- Lathyrus odoratns, varieties of, never naturally intercross in England- Pi sum sati vum, varieties of, rarely intercross, but a cross between them highly benelicial-Sarothamnus scoparius, wonderful effects of a cross- Ononis minutissima, cleistogene flower~ of- Summary on the Leguminosre- Clarkia elegans- Bartonia aurea- Passiflora gracilis- Apium petroselinum- Scabiosa atropurpurea- Lactuca sativa- Specularia speculum- Lobelia ramosa, advantages of a cro:-:s during two generations- Lobelia fulgens- Nemophila insignis, great ad- . vantages of a cross- Bm·ago officinalis- Nolana prostrata. Pa?;c 142-1 ·7 CHAPTER VI. SoLANACElE, PRIMULACElE, PoLYGONE1E, ETc. Petunia violacea, crossed and self-fertilised plants compared for four generations- Effects of a cross with a fresh stock- Uniform colour of the flowers on the self-fertilised plants of the fourth generation - Nicotiana tabacum, crossed and self-fertilised plants of equal height- Great effects of a cross with a distinct sub-variety on the height, but not on the fertility, of the offspring- Cyclamen persicum, crossed seedlings greatly superior to the self-fertilised- Anagallis collina- Primula verisEqual- styled variety of Primula veris, fertility of, greatly increased by a cross with a fresh stock-Fagopyrum esculentum -Beta vulgaris- Canna warscewiczi, crossed and self-fertilised plants of equal height- Zea mays- Phalaris canariensis. 188-237 |