. jM8 Z. E A 



2^1. VITTARIA, 55. $. 

 linettta (ribbon fern.) 



221. WOODSIA, 55. 5- 

 hi/perloren (flower-cup fern.) i'Tcnsis- 



221. AYOODWARD1A, 55. $. 

 (inguslifolia (kidney-fern.) virginicd* 



60 4. XANTIHUM. 



sivumarinni (c.loit-buw. Au. 00 stem unarmed, brandl- 

 ing, .orientate, spinosmn. tnaculalum. 



63. XEROPHYLLUM,. 10. IS, 

 KtifoliMm. This species is described undei* the Helo- 

 nias asphodeloldes. 



51. XYLOSTEUM, 48. 58. 

 ciliatum (fly-honeysuckle, twin-berry, vr-y. M. h ) 

 berries distinct : leaves ovate and subcordate, margin ril- 

 iate. solonis (swarnp twin-berry, y*. M. T?.) berries unit- 

 ed iu pne, not distinct. 



226 XYLOSTIIOMA, 58. 1. 



giganteum (punk, oak-leather. ().) fibres parallel, the 

 \vhole fnngiR tilling the interstices between tlte cleave- 

 p.gcs of decaying wood. 



31. XYRIS, 6. 13. 



anceps (yellow-eyed grass, y. An. 11 .) leaves linear, oh 

 ^usish : scape spread and 2-edged near the top. bmifo- 

 Hp. Jlexiiosa. 



5^-13 2ANTHORII1ZA, 26. 61. 

 cpiifolia (parsley y ellowroot.) 



215. ^ANTHOXYLUM, 46. 94. 

 Jraxininm (prickly ash, tooth ache bush. g-w. M. ^ 

 prickly : leaves pinnate. 



342. ZAPANIA, 40. 40. 

 vodiflora (fog-fruit) lanceojata. 



203. ZEA,4.10. 

 mays (indian corn. y-g. Ju. ,-.) leaves lancc-linearj en- 



