TTEW AND LITTLE-KNOWN" MADAGASCAR PLANTS. 53 



be bilobed, owing to the front lobe being deeply bifid. The 

 crests are peculiar, and consist of a pair of triangular, obtuse, 

 somewhat flattened processes, which are free above and nearly a 

 line long. 



EuLOpniA striata, Rolfe, sp. n. 



Terrestris. Folia longe petiolata, elongato-Hnearia, subacuta, 

 1|~2 ped. longa, 1-1 1 uncias lata. Scapi elati, graciles. Racemi 

 laxi. Bracteae angustissimae, acutae, 4-6 lin. longa). Sepala 

 oblongo-lanceolata, acuta, 4-5 lin. longa. Petala subspathulato- 

 oblonga, acuta, striis tribtis purpureis. Labellum late cuneatum, 

 4 lin. longum, 6 lin. latum, indistincte trilobatum, lobo medio 

 profunde bifido ; callis quatuor ad basin labelli, duobus linearibus 

 in medio, duobus majoribus exterior ib us ; calcari saccato lato 

 truncato, 1 lin. longo 1| lin. lato. Columna brevis, lata. 



On the ground near Fort Dauphin, 2545 ! 



A tall and slender plant, with much broader leaves than the 

 preceding. The petals have three purple lines on a paler ground, 

 but the marginal pair are somewhat indistinct. The spur is 

 curiously thickened ; in front of it stand a pair of short linear 

 calli, while outside of these and somewhat nearer the base are a 

 second pair of larger, oblong, obtuse, and somewhat fleshy 

 lobes. 



Cyrtopera plantaginea, Lindl. 

 Near Fort Dauphin ? 



4 



PoLYSTACttYA CULTRATA, Lindl. 



Forest near Ankeramadinika, 1882 ! On trees, Fianarantsoa, 

 2080 ! 



■ 



POLYSTACUYA ANCEPS, liidl. 



Forest near Ankeramadinika, 1874 ! 1875 ! 



Polystachya MAURTTTANA, Spreng. Syst. Veg. iii. (1826) 742 



P. zeylaniea, Lindl. Bot. lleg. xxiv. (1838), Misc. p. 78, 

 Dendrobium polystachyum, Thou. Orch. lies Afr. t. 85. 



On the ground near Fort Dauphin, 23G0! 2655 ! 



Sprengel's name, which appears to have been overlooked by 

 subsequent authors, is much older than that of Lindley. Both 

 are based on Thouars's figure. 



AXGR£CUM SESQUIPEDALE, TJlOU. 



Near Fianarantsoa, Interior, 2056 ! Forests, Ambahy, East 

 Coast, 3042! 



