Fig. 10: 1 and 2, Osmunda cinnatnomea: 1, sterile and fertile fronds, x %; 2, 

 longitudinal section of rhizome, x %. 3, Osmunda regalix var. spectahilis: 3, upper part 

 of frond, x %. (From Correll in Lundell's Flora of Texas, Vol. 1, PI. 9). 



