OB.CHIDS OF MADAGASCAR. 517 



Cykokchis msriDULA, n. sp. — Pusilla ; tuberibus oblongis semi- 

 uncialibus; foliis radicalibus lauceolatis acutis erectis glabris, 

 trienti caulis sequantibus ; caulinis 1-2 parvis linearibus acumi- 

 natis; caule gracili hispido; floribus minimis paucis, paullo dissitis ; 

 bracteis dimidio ovarii a^quautibus ; sepalo postico ovato cucullato, 

 lateralibus lauceolatis obtusis ; petalis falcatulia obtusis ovatis ; 

 labello brevi recurvo angusto oblongo-obtuso trilobo, lobis late- 

 ralibus obtusis quam rnedius multo brevioribus ; calcare quam 

 ovarium dimidio breviore, cvlindrico obtuso ; columna brevis- 

 sima, apicibus antherae elongatis recurvis : rostello piano breviore 

 obtuso ; processubus stigmaticis quam antherse apicibus breviore 

 subcylindricis obtusis; caudiculis polliniorum longis, glandulia 

 rotundatis. 



Ankafana, Imerina, Deans Coican\ In paludibus Ankafana, 

 Hilclebrandt no. 3981, in Herb. Brit. Mus. 



Tins little plant is about 4 inches in height, with one or two 

 rather large woolly tubers | an inch long. The leaves, about 

 four in number, are acutely lanceolate, 1 inch in length. The 

 raceme contains about seven very small flowers. The apices of 

 the anther are curved up at the ends, and on either side there 

 is a small triangular flap attached to the column, which rises above 

 them and flanks the entrance to the spur. The stigmatic lobea 

 run parallel to the anther-points beneath them, but are shorter, 

 straight, and knobbed at the end. The rostellum is of the usual 

 shape, but is but slightly raised in the middle. 



Amphoiichts, Thouars. 



This genus was based by Thouars on A. calcarata and inermis. 

 The latter species was transferred to Arnottia by Moore, the 

 former by Lindley to Cynorchis. Blume, Mus. Bot. Lugd. Bat. 

 ii. p. 190, separated it again, and restored the genus, adding 

 another species to it. The authors of the ' Genera Plantarum ' 

 again restored it to Cynorchis. It seems, however, quite distinct, 

 and more nearly allied to Arnottia than to Cynorchis. The short 

 rostellar lobes and numerous small flowers reversed are the 

 distinguishing characters. 



Besides the Madagascar species, A. calcarata, Thouars, and 

 A. lilacina, n. sp., the genus contains A. occidentalis, Lindley, 

 a remarkable orange flowered plant from West Africa, and 

 A. laxiflora, Blume, a native of Bourbon. 



