44 



Universitij of Calif oruut Publications iti Botainj [Voi,. 



stocks are included in a previous report (cf. Goodspeed and lirandt, 

 ]i)16, fl. pis. 1 and 5). 



Tile tcniiiiial hutl, or "ci'own,"' suggests a large aci-ial winln' hud 

 as much as it suggests tlie bulb of a lily. It is more or less elongated 

 and conical, w itli a diameter somewhat less than that of the rootstock. 

 Tlic sheathing scales, each of which completely enwraps all the parts 

 inserted above it, arc Ihin and tougli, adapted to i)rotective purposes 



i h. %, h, Xj J, h, h', h i; A '-6. J. 



Fig. 1 



rather tiian serving as stareh-storing tissue. Figure 1 above illns- 

 trates the structure of a strong "crown" early in September, .s^, is 

 the outermost sheathing scale, not quite reaching to the top of the 

 crown, brown and dry ; bearing in its axil a spongy, scale-like body, .r^, 

 wliich in turn has an aborted stem-bud. h^. in a socket in its l)ase. s._, 

 is a large living sheath which envelops the crown, folding completely 

 over it bnt not fusing along its nuirgins. The bud h. is the largest in 

 this crown, it has grown up out of the "axillary sheath or scale-like 

 body" and is pressing it back against the next protective sheatli. It 



