328 37. ADIANTUM. § 1. EU-ADIANTUM. C. POLYSORIAE. 



nearly obreniforiu, large, ■ in shallow or semiorbicular hollows along the upper 

 edge, solitary on the lobes ; sporangia springing from the veins as well as from 

 parenchyma. — The description is taken from a specimen cultivated in the 

 Buitenzorg gardens. 

 Amboyna. 



(156) A. niindanaoeiise, Copel., Philipp. Journ., I, Suppl., 154, 

 tab. X. 



Rhizome short-creeping. Stipes approximate, 25 — 40 c.M. long, clothed 

 towards the base with glossy, linear-subulate, fuscous scales, otherwise naked, 

 black-fuscous. Fronds deltoid-ovate, 25—40 c.M. long, 20—50 c.M. broad, 

 acuminate 3-pinnate. Leaflets short-stalked, dimidiate, + IV2 — I'A c-M. 

 long, + 74 ^■^^- broad, the outer edge obtuse, denticulate, the upper one 

 slightly lobed, the base truncate on 'the upper side. Texture papyraceous; 

 rachis densely furuisched on the upper side with minute hairs ; surfaces naked. 

 Sori + 6 to a leaflet, solitary on the lobes, suborbicular-reniform, the spo- 

 rangia springing from the veins and pai'enchyma. 



Mindanao. 



* (16) A. forinoisuin, n. Br., Hk. Bk., Syn. Fil., 119; Hk., Spec. 

 Fil., II, tab. LXXXVl, B. 



Stipes 50 — 50 c.M. long, erect, scabrous, strong. Fronds 45 — 75 c.M. 

 long, 5 — 4 X pinnate. Lowest branches 50 — 40 c.M. long, erecto-patent, 

 15—25 c.M. broad, deltoid. Leaflets short-stalked, '^ — 2 .c.M. long, ."i— ^m.M. 

 broad, dimidiate, numerous, rhomboidal, the lower edge straight, erecto-patent, 

 the inner one parallel to the rachis, the upper and outer edge lobed and 

 toothed, the teeth often sharp. Texture firm; rachis scabrous or hirsute 

 towards the apex ; veins prominent above, terminating in the ultimate serratures. 

 Sori numerous, transversally oblong, slightly obreniform, in slightly rounded 

 hollows of the upper and outer edge; capsules springing from the veins and 

 parenchyma. 



In cultivation. — Orig. foe: Australia, New Zealand. 



• (17) A polyphyllum, WiUd., Hk. Bk., Syn. FiL, 118; Hk., 

 Gard. Ferns, lab. XII; A. cardiochlaena, Kze, Hk., Spec. Fil., II, tab. LXXXIII. 



Stipes 50—45 c.M. long, strong, erect, blackish, polished, deciduously 

 scaly, rather scabrous. Fronds 60 — 120 c.M. long, 50 — 60 c.M. broad, 5-piu- 

 nale, with a long, terminal branch and several lateral branches on eacn side. 



