438 



PILICK8. 



V. P. aquilina, L. Common Brake. 



Frond t#rnate at the summit of an erect stout stalk, 1 to 1 feet, the widslv • 

 spreading tranches 2-pinnate ; pituiulrs rblong-Janceoiate, the upper undivided, 

 the lower more or legs pinnatifid, with oblong obtuse lobes, margined all round 

 with the iudusium. 



Thickets and btony hills, coinnK-n everywhere. Aug. Whole frond 3 to 3 feet 

 w{de. 



'2. P, ATROPURPUREA, L. Purple-stalked Brake. 



Stalk of the simply or somewhat doubly pinnnla pale frond 6 to 9 inches high, 

 dark purple and shining; prnr,ee or the.ii- 3 to 7 divisions below, oblong or linear, 

 sntire, pbliquel.f truncate or heart-shaped at the stalked base. 



Limestone rocks, rare. July. Frond 4 to 8 inches long, grajish-green.. 



3, ADJANTUM, Linn. Maidzn-hair. 



Or. adianta, dry ; its surface repelliug moisture. 



rUi; it- dots roundish or crescent-shaped, occupying the 

 edge of the lobes of the frond, the iudusium appearing as a> 

 reflexed edge of it and bearing the sporangia on its under 

 side on the free ends of several simply forking veins. Mi.d- 

 RIB none, or .lateral. — Sialic and rachis black and polished. 



A. PEDATUM, L: Common Maidenhair. 



Frond forked at the summit of the upright slender sta'k, * to It Jnches hijzbf ' 

 the forks pedately branching from one Bide into several slender spreading divi- 

 sions, which bear numerous short stalked pinnules. 



•i:eh, Dioiit; woods, comaxon, July. A delicate and most graceful Pern 



4. CHEILANTHE3, Swartz. Lip-Fern. 



If ckritos, a lip, and anthos, a Sower, in allusion to the form of the indo.M3m.-i 



Fruit-dots roundish,. solitary, or contiguous on the mar- 

 gins of the lobes; the usual kidney-shaped induiiuin fixed 

 fv the margin at the poiub where the sporangia arises, free - 

 along the inner edge, each receiving but one (direct and free) 

 vein or voinlet. — Fronds 2 or Z-pinnaie, the pinnules or loot* 

 with a central midrib. 



0. VESTITA, Willd. Hairy Chdlanthus. 



Fronds 2-piunate, hairy all over, 6 to 9 inches high; pinntdzi short, pinnatlfid, - 

 ihe lobes roundish; stipe and rcutkis hairy. 

 Shady rocks. July. Fern, covered with long brownish hairs. 



5 WOODWARDIA, Smith. 



In honor of Thomas J. Woodward, an English botanist. 



Fruit-dots oblong, or linear, approximate or contiguous, , 

 parallel to the midrib on either side. Indusium fixed tc 

 the outer margin of the veinlet, free on the side ncxtthcu 

 midrib. -—Fronds pinnatijid or pinnate. 



