174 Botanical Microtechnique 



Fig. 15.3— «. Lilltun regale, sectioned in paialiin, fust dixision of nieiosis in micro- 

 sporocytes; b, smeared mlcrosporocytes of Tradescantia hrtuteata. Sax-Hiimphrey 



method, iron hematoxylin. 



Liliiim represents a type oi embryo-sac history that differs troni 

 the type found in many of our important crop plants. Slides of lily 

 ovary are relati\ely easy and inexpensive to prepare. This plant 

 should be used to show the transverse floral diagram of the floAver 

 bud (Fig. 17.4 a) ; the carpellary organization of the ovary (Fig. 





■' • •• • '-'.y.:: .. ■ 



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I'K.. \'i.\- ((. I rans\erse section ol llowcr Inid ol Llliiiin regale: h. o\ai\ of same. 



