rROPAGATiON i;v lu'iis — r,.\vi:u-\(,i; ji 



The trade uses the term "Dutch Inillj^" id designate 

 those species which come commercially I'ri'in Mi'llaml 

 (h)'acinth, tulip, narcissus, etc.), blossom in earl\- spnnj;'. 

 and after their leaves die down remain dormant until 

 the autumn, when they develop roots for the foUowin;; 

 season's flowers. Hence the importance (Ij of planting- 

 them early in the fall so root growth will be strong 

 before winter sets in, and (2) of allowing the leaves to 

 die naturally so the bulbs will store ample food. 



105. Bulblet, bulbel, bulbil, bulbule, ar^ terms concern- 

 ing which authors do not agree. For instance, one defines 

 "bulbels" as borne attached to the mother bull), and bulb- 

 lets as borne above ground, generall}" in a leaf axil. 

 Another applies "bulbel" to the latter definition and says 

 that bulblet is synonymous with "bulliil." In this book 

 no distinction is made ; "bulblet" is most used. 



106. Separation is plant propagation by \'egetative parts 



FIG. 63 — CLASSES OF BULBS 



1. Scaly bulb of tiger lily, 2, solid bulbs (corms) of gladiolus and tuberose and 

 tunicate bulb ot onion. 3, tunicate bulb of onion in cross section showing the 

 sheathing bulb lea\'es. 



