rLOBA OF MADAGASCAR. 525 



MOIS^OCOTYLEDOI^S. 



Dypsts polystachta, n. sp. 



D, foliis copiose pinnatis, rhachi compresso scabro, segmento terminali 

 parvo bifido, pinnis TDultijugis lanceolatis integris acuminatis, spadicibus 

 copiose pinnatis, spicis elongatis gracilliinis rhachi glabro, floribus foemi- 

 neis petalis ovatis striatis, sepalis orbicularibus minutis, fructu oblongo 

 parvo monospermo. 



Stem and sheatts not seen. Leaf |-2 ft. long ; rhachis flat on 

 the face, clothed with drab furfuraceous ramentum ; pinnse 

 arranged irregularly, the lower 9-10 in. long, ^ in. broad at the 

 middle. Spathe not seen. Inflorescence nearly a foot long ; 

 spikes very slender, 8-9 in. long. Female flower -^ in. long ; 

 bract broad ovate; petals striated; sepals rigid, not striated. 

 Dried berry | in. long ; pericarp very thin. — Baron 1287 ! 

 jS'early allied io D, pinnatifrons^ Mart. 



Dtpsis HETERornTLLA, n. sp. 



D. foliis superioribus vel omnibus simplicibus cuneatis profunda bifidis, 

 inferioribus interdum simpliciter pinnatis pinnis lanceolatis integris acumi- 

 natis, vaginis imbricatis glabris, spathis parvis pedunculo arete vaginantibus, 

 spadicibus bifidis vel trifurcatis rhachi glabro sulcato, petalis ovatis striatis, 

 sepalis orbicularibus imbricatis petalis triplo brevioribus. 



Stem \ in. in diam. Leaves many, spaced out, erecto-patent ; 

 sheaths about 3 in. long ; blade 6-9 in. long, consisting sometimes 

 entirely of one deeply bifid end-segment, sometimes of a small bifid 

 end-se*^ment and many erecto-patent lanceolate acuminate pinnae. 

 Spathe cylindrical, about 2 in. long. Spikes 2-3 in. long ; bracts 

 and bracteoles minute, orbicular. Petals strongly ribbed, j'^ in. 

 long ; sepals very rigid, glossy, not striated. Fruit not seen. 

 Baron 486 1 Also Lyall 323 ! B, forfici folia ^ Noronha ; Mart 

 Hist. Palm. iii. 180, 312, tab. 143. f 

 habit, but all the leaves are simple and deeply bifid and the 

 inflorescence is copiously compound. Mr. Baron has also 

 gathered this (1490) and jD. pinnatifrons^ Mart. Hist- Palm. iii. 

 180, 312, tab. 158. fig. 1. 



DrrsTS rhodotricha, n. sp. 



D. foliis copiose pinnatis, segmento terminali parvo bifido, pinnis multi- 

 ju""is lanceolatis integris acuminatis, vagiuis ferrugineo-pilosis, spadicibus 

 simplicibus rhachi glabro, petalis ovatis striatis, sepalis orbicularibus striatis 

 petalis triplo brevioribus, fructu oblongo seraine solitario. 



Stem \ in. in diam. Leaves many, spaced out, erecto-patent ; 



