OBCHIDS or MADAGASCAR. 119 



BuLBOPHYLLUM coRioPHoBUM, 11. sp. — Ehizoma I uncisB cras- 

 feum lignosuin, vagiiiis brunueis membranaceis tectum ; pseudo- 

 bulbus oblongus conicus 2^-uncialis ; folia bina ? lauceolatn, apice 

 biloba 7 uncias longa 1| lata; scapus validulus erectus teres pe- 

 dalis, vagijiis laxis dissitis quarum supreina amplfata cucullata; 

 racemus densus conicus, rbachido incrassata carnosa; floras parvi 

 copiosi ; bracteae floribus fequales ovatsD subobtusa? ; sepalum pos- 

 ticum lanceolatum obtusum quaiu labellum brevius, lateralia 

 multo majora coiinata, apfcibus solo liberis, caruosa semiovata, 

 medio dopresso, margiiiibus exterioribus acute cariuatis, carina 

 aeuticulata; petala quam sepalum posticum breviora angu.ste 

 linearia lanceolata; labelUun parvum carnosulum, lamina cordi- 

 iormi ; columua brevis, deutibus parvis ; anthera compressa. 



Comoro Islands, Humhlot no. 337. 



Tliis plant i« a very singular species, allied, a.s Profes.^or Eoi- 

 cbenbach (' Flora,' 1885, p. 544) intimates, to B. conitum^ 



Tliouars. The flowers in his specimen were dcllcient, so that ho 

 }vas. unable to describe it. Those in the lierbarium of the British 

 Museum are in very good condition, and show that the plant ih 

 distinct from Tbouars's species, which, however, I only know from 

 his figure. In this plant, as in the rest of the section, the 

 lateral sepals are connate and form an oval blunt body with a 

 circular depressed space in the centre, in which lie tlje lip, 

 petals, and columns. Bound the depression the sides of the 

 se[)als are thickened and fleshy, while the outer edges taper 

 off to a thin irregularly denticulate keel, while only the tips 

 are free. In Thouars's figure of B. conilum I sec no keel 

 uor denticulate margin; the dorsal sepal, again, is repre- 

 sented as being longer than the lip, while in this plant it is 



shorter, and the column is figured without teeth, which are cer- 

 tainly present in this plant, although they are small. Lastly, 

 B, conitum appears to have but a few flowers sunk in the fleshy 

 rhachie, whereas B. corioplwruni Las a very large number. On 

 the whole, therefore, I conclude that this is not the plant intended 

 by Thouars under the name of B. conitum. The small flattened 

 flowers with the denticulate margins bear some resemblance io 

 some species of Tingh (Hemiptera), hence the specific name. 



LiPAKis PUNCTICULATA, n. sp.— Caulis elatu« lO-uncialis gra- 

 ciliii basi \\\ incrassafa, vagmis mcmbranaccis punclfculatisstriatirt 

 dissitis multis \\ uncias longia ieciu^ \ folia 3-4 diBftila patula 



