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Sillimans American Journ vol 45. p. 215. Review by Asa Gray of Hookers Icones. (New series) to. 505.) on Utricularia Nelumbiifolia "The plant is polygamo-dioecious or at least some of the flowers are not unfrequently perfect"— 2. "Their perfect flowers are sometimes provided with 3 stamens, similar to those of the sterile ie male flowers; but more commonly they present a single antheriferous stamen, sometimes accompanied by two short sterile filaments, & sometimes destitute of these rudiments: occasionally a fertile flower is furnished with 3 short rudimentary filaments .3 In the perfect flower, especially where only one stamen is antheriferous, the anther is commonly found to be one celled" —(the other cell suppressed or reduced to a vestige) "The lobes of the style are variable in number" (Q)

[Quoted in Natural selection, (F1583) p. 108.]

The number of scales of corolla & calyx variable in number.—

To make what may be called a "variation", most of the individuals ought to have one uniform character. — but then plants with

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important parts variable, could easily make a new variety.