634 FLOWERS OF GARDEN AND GREENHOUSE 
and drooping; general form oval. Pinne few, very large, oblong, lance- 
shaped ; pinnules of similar shape, but somewhat curved forward, finely 
and sharply toothed; lowest pinnules sometimes again divided. Sori on 
lower part of frond, of variable length, but not occupying whole margin 
of segments. Greenhouse. 
P. cretica (Cretan). Stipes tufted, 6 to 12 inches long, yellowish 
brown. Fronds of equal length with stipes, 4 to 8 inches across, pinnate, 
firm-textured; lowest pinne again divided. Pinne slender, long, 
tapering to a long fine point. Sori in broad lines, continuous along 
three-fourths of margin of pinne. No true involucre. The var. albo- 
lineata has a white streak down the whole centre of the frond. 
Greenhouse. 
P. ELEGANS (elegant). Stipes 1 foot long. Fronds 6 to 12 inches 
long, triangular, heart-shaped, twice pinnately-cut. The lobes are lance- 
shaped, cut nearly to the rachis, and the lower ones with from one to four 
lance-shaped pinnules on the lower side, usually none on the upper side. 
Sori continuous along margin. Native of South Brazil. Stove. 
P. HETEROPHYLLA (various-leaved). Stipes wiry, erect, yellowish. 
Fronds oval, wedge-shaped, 6 to 12 inches long, 3 to 6 inches across, 
thrice-pinnate. Uppermost pinne simple, lowest wedge-shaped, pinnate, 
and the pinnules again divided, the lobes sharply and deeply toothed. 
broad, pale, thin-textured. Stove. 
. LEPTOPHYLLA (thin-leaved). Stipes 6 to 9 inches long, erect, 
yellowish. Fronds triangular, 9 to 12 inches long either way; upper 
pinne simple, an inch long; central ones lance-shaped, pinnate; lowest 
pinnz wedge-shaped, the pinnules as much as 2 inches long, and 
pinnately-lobed. Sori not extending to the tips of the segments. Stove. 
. LONGIFOLIA (long-leaved). Stipes stout, erect, 6 to 12 inches 
long, pale, scaly at base. Fronds 1 to 2 feet long, 4 to 9 inches across, 
oblong, lance-shaped, tapering below. Pinnz numerous, 3 to 6 inches 
long, very slender, with entire margins. Involucres yellowish brown, 
thin textured. Stove. 
P. PALMATA (hand-shaped). Stipes 1 foot long, chestnut-brown, 
erect. Fronds 4 to 9 inches long, and as broad; barren fronds, with a 
broad undivided centre, from which five triangular lobes run off; the 
lobes of the fertile fronds are narrower and cut nearer to the rachis. 
The sori are continued to the tips of the lobes. Stove. 
P. QUADRIAURITA (four-eared). Stipes 1 to 2 feet long, erect, 
yellowish or brownish. Fronds 6 inches to 3 feet long, 4 to 12 inches 
across. Pinnz 6 to 12 inches long, divided, nearly to the rachis, into 
numerous entive-edged or slightly-toothed blunt lobes. The lowest 
