163. D. punctilobula (Michx.) Asa Gray. Hay-Scented Fern. 
Fronds 2-3 feet long ; laminre lanceolate, bipinnate ; pinme lanceo- 
late, acute, pinnatifid ; lobes dentate ; one sorus on upper margin 
of each lobe ; stipe purplish black at the base ; rachis hairy ; under 
surface of laminae minutely glandular. V.ery common. North 
American. Late in August. Fragrant when drying. 
Illustrated in Gray’s Manual. 
Sub=Family 3, Schizseacese Presl. 
Sporangia sessile, having an articulated ring at the apex and open- 
ing by a longitudinal slit. Includes in our section only one 
species. 
166. Lygodium palmatum (Bernh.) Swz. Climbing Fern. 
Fronds slender, climbing, 3-6 feet long ; the lower pinnae roundish, 
5-7 lobed, distant in pairs , the upper several times forked, their 
ultimate divisions crowded and bearing the sporangia. North 
Amherst and Uxbridge, Mass. ; Windsor, Conn. Scattered in smdll 
patches throughout Massachusetts ; more common but local in 
Connecticut. Thickets and low Avoods in half shade. North Amer- 
can. September. 
Illustrated in Gray’s Manual. 
A little plant of this sub-family, Schizcea pusilla Pursh, which 
has been found in Newfoundland, Nova* Scotia and New Jersey, 
but not in the intervening territory, is to be expected in sandy 
bogs along the New England coast. 
169. S. pusilla Pursh. Sterile fronds 1-2 inches long, linear, 
tortuous ; fertile, 3-6 inches, bearing on top a few small cimvded 
pinme in two rows. Companion plants, Drosera and Lycopodium 
inundatum. 
For further account, with' illustrations, see Gray’s Manual, 
Meehan’s “Ferns and Flowering Plants of North America,” Series 
11 , Yol. 1, Linncean Fern Bulletin, Yol. iv, No. 2, Underwood’s “Our 
Native Ferns and Their Allies,” and Eaton, Yol. 2, Plate xxiv. 
