SUPPLEMENT. 55 



Forma typica: Small or middle-sized; medial or inframedial pinnae 

 largest, to 12 ','2 cm. long, P/4— 2'/2 cm. broad; lobes entire, crenate, 

 serrulate or denticulate ; veins + 5-6 on a side, simple. — Trop. Asia. 



Forma speciosa: Large or middle-sized; pinnae to 17 '/^ cm. long, 

 2% — 4 cm. broad; veins ± 7-10 on a side. — Malaya. 



Forma javanica: Large; pinnae to 25 cm. long, 4-5 cm. broad ; lobes 

 serrate; veins ± 11 — 15 on a side. — Java. 



Forma poensis: Large; lowest pinnae to 25 cm. long, 2'/j — S'/j cm. 

 broad. — Borneo. 



Forma major : Large ; pinnae to 30 cm. long ; veins mostly forked. — 

 Malacca. 



(29a*) D. niauiberaiiicnse, ». A. ». R.; D. sorsogonense, Pr., 

 var. mamberamsnse, v. A. v. R., in Bull. Btz., 1915, XX, 11. 



Near D. sorzogonense Pr. — Fronds middle-sized ; pinnae to + 15 cm. 

 long and 2% cm. broad, the upper base truncate and more or less 

 auriculate, the lower base cuneate, rounded or subtruncate, the edge cut 

 not more than %-wsiy down to the costa; lobes close, the largest 6 — 8 

 mm. broad ; veins 4—5 on a side, the lowest relatively long, arcuate- 

 ascending. , 



New Guinea. 



After No. 29b insert: 

 (29c) See No. 7. 

 P. 264 — Insert: 



(35&) D. speciosum, Bl. 



Omit this, it being referred to D. sorzogonense Pr. 



P. 265, 1. 2fr. b.; For: dolichosorium, — Read : «l©licliosorum, 



P. 267, 1. 12 fr. b. ; For: Tertiary — Read: Secondary 

 P. 271, 1. 5 -3 fr. b. should be modified as foUows: 



(43&) O. polypoflioides, Bh; D. asperzim, BL, var. polypodioides, 

 Ridl, in Journ. Str. Br. R. A., 1908, 50, 31 ; D. leptogramma, v. A. v. B., 



