FERNS— STOVE AND GREENHOUSE. 



91 



pinnules pinnatifid, pale-green. The variety Ellisiana is 

 larger. South Africa, &c. G. 



C. myriophylla (elegans). — Fronds tripinnate, 10 to 20 

 inches long ; pinnules small, pouch-shaped, smooth above, 

 hairy below, dull-green. Tropical America. 



C. radiata (Adiantopsis). — Fronds radiate from the 

 top of the 6 to 12 inch black stipes, the divisions pin- 

 nate ; segments oblong, auriculate, dark-green. Peru. 



C. tenuifolia. — Fronds tripinnate, ovate, erect, 10 to 

 20 inches long; pinnules oblong, light-green; stipes and 

 rachis brown. Tropics. 



C. viscosa. — Fronds tripinnate, 6 to 18 inches long; 

 pinnules toothed, pale-green, hairy; stipes brown, hirsute. 

 Tropical America. 



Cyathea. — Noble arborescent Ferns, distinguished by 

 their forked free veins and globose sori, which are covered 

 by entire cup-shaped involucres, entirely surrounding the 

 sorus in a young state. 



C. arborea.— Fronds bi- or tri-pinnate, 6 to 12 feet long ; 

 finely divided, pale-green ; stipes and rachis clothed with 

 white chaffy scales. West Indies, &c. 



C. BurTcei. — Stem thick, 6 to 12 feet high; fronds bi- 

 or tri-pinnate, elegant, 3 to 6 feet long, deep-green; stipes 

 and rachis scaly. South Africa. G. 



C. Cunninghamii. — Stem erect, slender, 6 to 20 feet 

 high; fronds tripinnate, 6 to 9 feet long; the segments 

 obtuse, dark-green above, slightly villous below; stipes 

 and rachis brown, scaly. New Zealand. G. 



C. dealbata. — Stem stout, 10 to 20 feet high; fronds bi- 

 tri-pinnate, 6 to 7 feet long; deep-green above, silvery- 

 white below; stipes scaly. New Zealand. G. 



C. Dregei. — Stem stout, 6 to 12 feet high; fronds tri- 

 pinnate, 3 to 6 feet long; pinnules finely divided, bright- 

 green; stipes scaly. South Africa. G. 



C. insignis (princeps). — Fronds tripinnate, 3 to 12 feet 

 long ; pinnae broad and finely divided, pale-green ; stipes 

 and rachis scaly ; caudex stout. Mexico and Cuba. 



C. Mastersiana. — Remarkable for its thin stem, which 

 is 2 to 3 feet high, and graceful bipinnate fronds 3 to 4 

 feet long, the rachis spinous. Brazil. 



C. medullaris. — Stem stout, 10 to 30 feet high; fronds 

 tripinnate, glabrous, 10 to 15 feet long, bright- green ; stipes 

 and rachis black, muricate, profusely clothed with large 

 chaffy brown scales. New Zealand, &c. G. 



€. pubescens. — Fronds large, tripinnate; pinnules 6 to 9 

 inches long, with falcate toothed segments; stipes dark- 

 brown. Jamaica. 



C. serra. — Fronds decompound, 6 to 12 feet long; pinnae 

 finely divided, pale-green; stipes spiny, clothed with very 

 large fawn-coloured scales. West Indies. 



Davallia (Acropho7-us). — Hare's-foot Ferns, the scaly 

 rhizomes of many of the species bearing some resemblance 

 to a hare's foot. They have creeping rhizomes, and 

 mostly decompound evergreen coriaceous fronds, free 

 veins, marginal sori, and cup-shaped indusia. 



D. aculeata. — Fronds scandent, tripinnate; pinnules 

 cuneate and much divided, bright-green ; rachis flexuose, 

 armed with numerous recurved spines. West Indies. 



Z>. affinis. — Fronds tripinnatifid, 9 to 18 inches long, 

 finely divided, deep-green; rhizome scaly. Tropical Asia. 



D. (Btumata) alpina. — Fronds bipinnatifid, triangular 

 in outline, 2 to 3 inches long, dark-green. Borneo. 



D. bullata. — Fronds compact, deciduous, tripinnate, 

 bright - green ; rhizome slender, densely clothed with 

 reddish - brown scales. Var. decora has larger fronds, 

 and var. Mariesi (Japan) smaller. The last-named is 

 grown in fantastic baskets by the Japanese. Trop. Asia. 



D. canariense. — Rhizome stout, densely scaly; fronds 



tripinnate, triangular, leathery, bright -green, 12 to 18 

 inches long; stipes and rachis brown. Madeira. G. 



D. chceropjhylla. — Fronds tripinnate, 12 to 24 inches 

 long ; segments pinnatifid, green, reddish when young ; 

 rhizome stout, scaly. East Indies. 



D. cristata. — Fronds bipinnate, broadly lanceolate, 1 to 

 3 feet long, the pinnae 6 to 8 inches long, lanceolate, 

 tapering; pinnules pinnatifid, obtuse; stipes and rachis 

 hairy. Northern India. G. 



D. disseeta. — Fronds evergreen, three to four times 

 divided ; pinnules deeply cleft and deep-green ; rhizome 

 slender, clothed with pale-brown chaffy scales. Java, &c. 



D. divaricata. — Fronds quadripinnate, triangular, 2 to 

 5 feet long ; segments small, pinnatifid, red when young ; 



11 ^W 



Fig. 719.— Davallia friensis. 



stipes and rachis red ; rhizome stout, covered with red- 

 dish-brown chaffy scales. Java. 



D. elegans. — Fronds four times divided; bright shining- 

 green, 12 to 24 inches long; pinnules tapering: rhizome 

 stout, clothed with woolly scales. There are several 

 named varieties; polydactyla has crested fronds. Malay 

 Archipelago. 



