12 The Febn Lover's Companion 



Aspidiiim Sj))nulosiim var. i7itcrmediuiii 150 



Aspidiiim spiiuilosiim yar. amcricanum 150 



Bulhlet Bladder Fern. Cystoptcris hulbifera 152 



Cystiiptcris hulbifera with sprouting bulb 15:i 



Fragile Bladder Fern. Cijstoptcris fragilis l.'ij-l.iO 



Rusty ^^'oodsia. ]]'oodsia ihensis 158 



Northern Woodsia. Woodsia aljnna 160 



Details of Alpine Woodsia 161 



Blunt-lobed Woodsia. Woodsia ohtiixa 162 



Smooth Woodsia. Woodsia glabella 16'! 



Hayscented Fern. Demisto'dtia piiiictllobula 166 



Forked variety of 7)fH».'.7rt'(:ft/a ;>(/?!d(7()/j!//a 167 



Field View of Dennstwdtia piinctilobvla 16S 



Pinna' and Sori of Dennsia^dtia pundilobula 16!) 



Meadow View of Sensitive Fern 170 



Obtusilobata Forms of Sensitive Fern, Leaf to Fruit 171 



Sori of Sensitive Fern 172 



Sensitive Fern. Unoclea sensibilis 17.'! 



Sensitive Fern, Fertile and Sterile Fronds on Same Plant . . 17.'1 

 Ostrich Fern. Onoclea StndJiiojitcris. Fertile Fronds . . .174 



Ostrich Fern. Sterile Fronds 175 



Sori and Sporangia of Ostrich Fern 176 



Roj'al Fern. Osmimda rcgalis xpectahilis 178 



Sori of Royal Fern 170 



Interrupted Fern. Osiininda Clayfoniana 180 



Interrupted Fern. Fertile Pinnules Spread Open 181 



Cinnamon Fern. Osmnuda cinnamomea 182 



Cinnamon Fern. Leaf Gradations 183 



Two Varieties of Cinnamon Fern 184-LS5 



Osmunda cinnamomea glandulosa 186 



Curly Grass. Schizcea piisilla 187 



Sporangia of Curly Grass ISN 



Climbing Fern. Li/godiiim palmatuin 189 



Adder's Tongue. Opitioglossuiii mdgatnm 192 



Moonwort. BofrycJiium Liinaria 194 



Moonwort, Details 195 



Little Grape Fern. Botrpchitiiii simplex 197 



Lance-leaved Grape Fern. Botrychiinn lanceolate in . . 197 



