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Show CLIAP. v. LUPINUS LU'rEUS. 148 d J·us t roo nti'oned , and crossed taneous ]Y se If-fertilised . seet ls e two eros eel plants of th.o last sspeeodn , ob ta i.n e el by intor.c ros.s mgo n1 san d ' wore planted iln . paus on. g . t. after germinatmg . , t When tho ooc hngs woic enera wn, " h large po s. d t o·e ositc sides oft ree sed bad a slight a van ab the opp . in height, the cro h ·r full height, every only 41 Inches t When grown to t 01 t I·n hcio·ht. · pponen s. · d d · ts opponon over tf10itr1 o crossed plants excoe o ~ all throe pots fiowordl ono o 10 . ·1· d r)lants In · th Never· tl1 oless tho sde lf-ferti Ise . ments arc given m 1 The measure before tho crosse . following table :- No. of Pot. I. II. lll. TABLE LII. Lupinttts lute'us. Crossed I>Jants. Inches. :·3:-3 ~ 30~ 30 29~ 30 Self-fcrtlli ·cd :PlantH. 1n he . \ 2-! ~ 18 ~ ~~2~ I I 26 25 30 4 31 31 4 -I- 246 · 2.) :20 1• 7.) t l ro averao.o 30. 78 ' and tho eight The eight crossed plan s. 10 ·cr • ~r as 100 to 82. These self-fertilised 25' 21 incl~c~ m ;~~~~!~nhousc to set their p~d:~ Plants were left uncovere In d s perhaps in part owmg d . ·y few goo one , 1 · 0 1 but they produce )ocls 'ei . d lants producoc nm ' few bees visiting them. Th·c4 cros~c a~d the elf-fertilised plan:~ containing on an a~erage 3 seoc ~ 3 soods, so that the secc s d containing on an averaoe 88 ~::: !o c~~al number of pl~nts were~' !~?htotw; self-fertilised T Other crossed seccllmgs, eac ln,ro·o pot, were wo . . d of the sam ~ n . n· seedlings on the opposite SI es . e ·ca. on, without bell1~ d t of their pots early In th . They were thu. turne ou d f o· oc1 quahty. . - d. turbed into open groun o ?o . no another, m com ~~. ctcd' to but little competitiOn wtih o ts In the n,utUIIlll spua n.s~eo n_w i'th the plants in the above three po . CHAP. v. L UPINUS PILOSUS. 149 the two crossed plants were about 3 inches taller than the four self-fertilised plants; they looked also more vigorous and produced many more pods. ·Two other crossed and self-fertilised seeds of the same lot, after germinating on sand, were planted on the opposite sides of a large pot, in which a Calceolaria had long been growing, and were therefore exposed to unfavourable conditions: the two crossed plants ultimately attained a height of 20~ and 20 inches, whilst the two self-fertilised were only 18 and 9~ inches high. LUPIN'OS PILOSUS. From a series of accidents I was again unfortunate in obtaining a sufficient number of crossed seedlings; and the following results would not be worth giving, did they not strictly accord with those just giYen with respect to L. luteus. I raised at first only a single crossed seedling, which· was placed in competition with two self-fertilised ones on the opposite side of the same pot. These plants, without being di turbed, were soon afterward8 turned into the open ground. By the autumn the crossed plant had grown to so large a size that it almost smothered the two self-fertilised plants, which were mere dwarfs; and the latter died without matul'ing a single pod. Several selffertilised seeds had been planted at the same time sepal'ately in the open ground; and the two tallest of these wore 33 and 32 inches, whereas the one crossed plant was 38 inches in height. This latter plant also produced many more pods than did any one of the self-fertilised plants, although growing separately. A few flowers on the one cr·ossed plant were crossed with pollen from one of the self-fertilised plants, for I had no other crossed plant from which to obtain pollen. One of the self-fertilised plants having been covered by a net produced plenty of spontaneously self-fertilised pods. Crossed and seif-jertitised Plants of the Second Generat'l'on.-From crossed and self-fertilised seeds obtained in the manner just described, I succeeded in raising to maturity only a pair of plants, which were kept in a pot in the greenhouse. The crossed plant grew to a l1eight of 33 inches, and the self-fertilised to that of 26! inches. The former produced, whilst still kept in the greenhouse, eight pods, containing on an average 2 · 77 seeds; and the latter only two pods, containing on an average 2·5 seeds. The average height of the two crossed plants of tbe two |