ANGIOSPERMiE, DICOTYLEDONES. 



773 



didynamous stamens, but some of them, e.g. those of the genus Salvia (see fig. 271, 

 p. 262), have two stamens, as have also the species of the genus Veronica (see fig. 257, 

 p. 226) of the family Scrophulariacese, and the majority of the Jasminacese and 

 Oleacese (see fig. 283 ^). Most of the Tubiflorse possess five stamens. The curious 

 modification of the androecium of Aselepiadaceoe has been fully described on p. 257, 



Fig. 435. — Kanunculacese, 



' Helleborus niger (reduced ^). 2 Muosurus minimus, complete plant with flowers and flower-buds (nat. size), 

 flower of Myosurus (magnified). 



et seq. In the Apocynacese the two opposite carpels are separate at the base and 

 connate at the upper end only. The fruit of Labiatse and Boraginacese resolves 

 itself when it is ripe into four one-seeded nutlets. The seeds of Apocynaceas and 

 Asclepiadacese are furnished with a plume of hairs. In most of the Tubiflorae the 

 base of the pistil is partially or completely surrounded by swollen tissue which 



