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March 3d Remarks on good drawings of Monochætum ensiferum. – I observe that in old flowers the yellow anthers & connective-projection of  (a) purple are not far from parallel. This different in drawing – The thin & flexible projection of yellow anther of no use. But a large Bee in retracting would certainly upraise the connective of crimson anther; & when this is down tip of anther rises above the pistil & would rub bees body on under side.

[insertion:] good. – so that pollen of crimson anther not lost in old flower – At time of entering old flower would rub ends of yellow anthers against its front – so in young flower in entering, could not front against the tips of purple anther – what I do not quite understand how Bees with pollen of yellow anther

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Old flower

This better [annotated sketch]

(I see Pistil of young flower move up in Spirits so as to assume position of old flower but apparently not the anther.)

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in their front would get it on stigma of young flower. – Possibly in old flower they alight on upper side of flower. I do not think Bee could get dusted with pollen of yellow anther in young flower – hence their smaller size! –

If the insect alighted right in front & in middle of vertical face of old flower & against stigma; then in foray in its head, it would break chest against the yellow anther & connective if crimson anther & all would walk well. The filaments are so close that surely insects would not make for upper side. I do not think bees could well alight on side; not in this their habit