Van Alderwerelt van Rosenburoh: Malayan Ferns 12. 1Q7 



m. 



ance oftcii longer tliaii tlie scale itself (fig. a). Froncis large, to 2 



long, the rliachis smootli and ,naked, or 

 scaly like the stipe, pale- to fiiscoiis- 

 browii wlien dry, 2 — 3>-sulcate. Piniiae 

 thin and flaccid or siibcoriaceoiis, some- 

 what remote, the higlier sessile, the 

 lower niorc or less stalked, the largest 

 15 — 35 cm. long, 5 — 10 cm. broad, 

 acuminate, entire or serrate to lobed, 

 the serratures or lobes entire or serrulate, 

 p. ^ the base rotundate-cuneate or abruptly 



and broadly cuneate to truncate-cordate; 

 main veins copions, to 36 on a side; veins oblique, 6— 12 on each side of 

 the main ones, ail anastomosing regularly except those near the margin. Sori 

 numerous, occupying ail the veins except the higher ones and therefore not 

 reaching the margin; indusium iiarrow, brown, asplenioid or hère and there 

 diplazioid; sporae sparingly, reticulately winged. 



In forest; ait. 500— 1500 m. - According to one of the labels a very 

 beautifui, ornamental fern. 



Sumatra: West-coast, Mt. Talamau (H A. B. BuNNEMEljER No. 

 5 1 2, 28 April 1 91 7) ; Mt. S i n g g a 1 a n g (BuNNEMEljER No 2764, 29 May 1918); 

 Mt. Malin tan g (BuNNEMEljER Nos. 4314«, 4316, 5 August 1918); Mt. 

 Koerintji (BuNNEMEljER No. 8665, 9 March 1920); East-coast, Sibo- 

 langit (J. A. LôRZlNG No. 5562, 14 March 1918); Betimoes-valley 

 (LÔRZING No 5577, 20 March 191 8); Bandar-baroe (LôRZING No. 7001, 

 12 November 1020, the most distinguished spécimen). 



Diplazium proliferum (Lam.) THOUARS, Flor. Tr. d'Ac. 35 ; V A. V. R. 

 Mal. Ferns 424; Supplem. I, 275; this Bull. XXVlli (1918), 20.~Asp!eniiim 

 proliferum Lam., Enc. II, 307. 



The Buitenzorg spécimens, as far as still provided with scales, hâve 

 the stipes slightly muriculate and scaly at the base, the scales sessile, 

 linear-subulate, brown or fuscous, not black-margined, minutely, horizontaly, 

 acutely 2-fisso-denticulate, entirely deciduous or with a persistent, thickeiied, 

 tuberculiform base; rhachis smooth and naked. 



Var. accedens. — Z). accedens BL., Enum. PI. Jav. II. 192 : Like the type 

 but the stipes spinulose throughout, the rhachis sometimes so, naked. 



Dryopteris auriculifcra V. A. V. R. 



Lastrea. — Rhizoma brève, dense squamosum. ; squamae linearj-subulatae, 

 brunneae, decidue breviterque ciliolatae, acum.inatae. Stipites -1:50 — 60 cm. 

 longi, pallide brunnei, in juventute dense breviterque pallide puberuli. postremo 

 plus minusve glabrescentes. Frondes ovatae, ±_ 50 cm. longae. acuininat.ie. 



