474 THE FAMILIES, GENBRA AND SPECIES OF PTERIDOPHYTA. 



Leaf A in. broad, with peltate scales ... 6. lanccolatnm. 



Leaf I to i^ ill. broad, without scales 5. li 11 care. 



Leaf pinnatifid; stipe jointed on to the rhizome: 

 Leaf 3 to 6 in. long; clothed with peltate scales. 



4. incanum. 



Leaf 6 to 12 in. long; without scales 3. vulgare. 



Leaf pinnate; stipe not jointed on to the rhizome or 

 crown : 

 Leaf 2 ft. long, 6 to 8 in. broad; produces long 



branches from the axes of the pinnae ... i. prolifermn. 

 Leaf 2 to 4 ft. long, i to 2 ft. broad in the middle, 



not proliferous 2. unittim. 



1. P. prolifcrum, Presl. — Banks of rivers, Lower Bushveld. 

 Komatiepoort, Bn., 600 ft., Rogers 57, in T.M.H. 



2. P. uiiitiou. Hooker. — Shady kloofs. Near Shiluvane, Ze., 

 Junod 884. 



3. P. vnlgarc, Linn. — Rocks on dry turf banks. Rusten- 

 burg, R.. Miss Collins, in T.M.H. 778.' 



4. P. in CO nil 111, Sw. " Resurrection plant." — Epiphytic on 

 tree trunks in forests, often far up on the branches. Mac-a- 

 mac, Ly., McLea\ Houtboschberg, Ze.. 6,300 ft., Schlechter 

 4,451; Mamotsuiri, Ze., everywhere, Junod 218, 520; Barber- 

 ton, Bn., Thorncroft 96. in T.M.H. 



5. P. lineare, Thunb. — Forests in shade. Leaf herbaceous. 

 Houtboschberg, Ze., 5,000 ft., Burtf-Davv 1,241, in T.M.H. 

 418. 



Var. Scliraderi, Mett. — On rocks in sunshine. Leaf thick 

 and leathery. Mamotsuiri, Ze., Junod 288; Barberton, Bn.. 

 Thorncroft 129; Melville, J., Petersson 265. 



6. P. lanceolatuni, Linn. — Epiphytic on trees in forests. 

 Mamotsuiri, Ze., Junod 230; ALbabaan, Sd., 4,600 ft., Burtt- 

 Davy 2,796. 



Var. sinuatuin, Sim. — Houtboschl^erg, Ze., 6,300 ft., 

 Schlechter 4.452. 



19. AcROSTiCHUM, Linn. 



Lidusium absent. Sori confluent in patches covering the 

 whole of the under-surface of the leaf or (in one species) of 

 the upper pinnae, not confined to the veins. 



Leaf simple; veins free {Elaphoglossuiii. Schott): 



Leaf 6 to 15 in. long, h to ih in. broad i. r'iscosuni. 



Leaf I to 3 in. long, i to f in. broad. 



lb. viscosum var. rupestrc. 

 Leaf pinnate; veins anastomosing freely, with no main 

 side veins {Chrysodiuni, Fee): 

 Leaf 3 to 6 ft. long, i ft. broad 2. aurcum. 



1. A. viscosum, Swartz. — In narrow, damp kloofs, 3.000 to 

 5,000 ft., rare. Pilgrim's Rest, Ly., McLca 54, Bolus 1.730; 

 Alamotsuiri, Ze., rare. Junod 290; Houtboschberg. Ze., \liss 

 Eastwood. 



Var. rupestrc, Sim. — PZxposed rocks. Pilgrim's Rest, Lv.. 

 McLeo. 



2. /L aurcuiii. Linn. — Near the Magaliesl)erg (Pa. ?). .S"(/;/- 

 derson. Xot since re-collected in the Transvaal. 



