6 4 



Figure 2. Capsules of the Lemon Daylily, nearly natural size, obtained 

 by controlled self-pollination. The large size and elliptic shape of the cap- 

 sules are characteristics that distinguish this plant from all other yellow- 

 flowered species now known. 



potent from the sterility of triploidy that it rarely sets seed to any 

 sort of cross-pollination. Its distribution has involved only the 

 transfer of pieces of the living plant. This clone is botanically to 

 he included with a type widely distributed in the Orient, both as 

 wild and as cultivated plants. Since this Europa Daylily undoubt- 

 edly came to Europe from Asia it seems reasonable to assume that 

 the Lemon Daylily also did. The evidence seems to indicate that 

 both the Lemon Daylily and the Europa Daylily were already some- 

 what naturalized in Europe, at least in Austria, as early as 1 580, at 

 which time they were more widely cultivated as garden plants. 



Various publications on the floras of Siberia, China, and Japan 

 state that //. jlava is an indigenous species and there art.' also 

 numerous specimens labeled Hemerocallis flava L. in herbaria of 

 collections made in these countries. From these (lata one would 

 naturally conclude that this species is widely distributed in the 

 ( h'icnt. For manv vears the writer concurred in this view, but 

 .alter further critical study he now questions this evidence. 



