464 100. riLicBS. 



— ^The form called Andrewsii has lanceolate fronds and winged 

 involucres. N. 315. — Very damp shady places, rare. For- 

 merly at Bellhank, Yorkshire ! (exactly Bolton's t. 30). N. 

 Wales ! Arran ! (S.). Killarney ! P. IX. X. E. S. I. 



16. HTMENOPHYL'i,xrM 8m. Pilmy-Eern. 



1. H. tunhridgen'se (Sm.) ; fronds pinnate, pinnae distichous, 

 segments linear undivided or bifid spinously-serrate, involucre 

 compressed spinously-serrate, rachis broadly winged. — E. B. 162. 

 H.FAB. iV'. 321. — Slender, delicate and small. Rhizome very 

 long, threadshaped. Pinnse, rachis, and involucres in the same 

 plane. Inv.-valves adpressed throughout the greater part of 

 their length, slightly gibbous at the base. — Amongst moss in 

 damp and shady places. P. VII. E. S. I. 



2. H. Wilsoni (Hook.) ; fronds pinnate, pinnse recurved, see- 

 ments linear undivided or biiid spinously-serrate, involucre in- 

 flated entire, rachis slightly bordered.— -E. B. S. 2686. H. F. 



44. H. unilaterale Bory ? — Resembling the preceding, but the 

 pinnae curve backwards and the involucres forwards. Inv.- 

 valves convex or gibbous throughout, touching only by their 

 edges which are quite entire. — Amongst moss in damp and 

 shady places. P. VII. E. S. I. 



Suborder II. Osmundacem. Tribe VI. Osmundex. 



17. Osmttn'da lAnn. Flowering-Fern. 



1. O. regdHis (L.) ; fronds bipinnate, pinnules oblong nearly 

 entire dilated and shghtly auricled at the base, clusters panicled 

 terminal— £^. B. 209. H. F. 46. N. 331.— Fronds erect or 

 drooping, 1—8 feet high.— Boggy places. P. VII.— IX. E. S. I. 



Subord. III. Ophiofflossaceoe. Tr. VII. Ophioglossece. 



18. Botkich'itjm Sw. Moon-wort. 



1. B. Zundria (Sw.) ; frond pinnate solitary, pinnse lunate or 

 fanshaped notched or crenate. — F. B. 318. jl. F. 48. JV. 137. 

 ■ — Height 3 — 6 in. Pinnae with veins radiating from the petiole, 

 sometimes deeply notched. Fronds usually solitary, but some- 

 times two on the same stalk.— /3. B. rutaceum (Sw.) ; frond tri- 

 angular-rhomboidal pinnatifid, pinnse 7—9 linear incise-serrate 

 decreasing upwards. JV. ed. 3. 332. See Milde Fil. Furop. 195. 

 —Pastures. /3. Sands of Barry, Forfar. P. V.— VII. E. S I 



