TAB. 57. 



Tribe Vandeae. 



Sub -tribe Sarcantheae. 



Genus Mystacidium. 



Mystacidium pusillum, Harvey, Thes. Cap., vol. ii, p. 47, t. 173 

 (1863). — Herba epiphytica glabra pusilla acaulescens ; radices nume- 

 rosae, 1-1-5 mill, diametro ; folia 2-3, oblonga obtusa vel inaequaliter 

 emarginata coriacea laevia, 1-5-2-7 cm. longa ; racemi 2-4, patentes 

 folia superantes, 3-5-fl., racliide gracillima curva, saepe flexuosa, 

 bracteis cucullatis cbartaceis ; periantbii segmenta patentia, circa 

 2 mill, longa ; sepala lateralia oblanceolata, impar ovato-oblongum, 

 petala oblonga obtusissima, basi nee angustata, sepalis paullo breviora, 

 labelli limbus e basi lata sublanceolatns crispulatns petalis aequilongus, 

 calcare pendulo vel adscendenti basi infundibuliformi sursnm angustato 

 filiformi, 1-3-1 -7 cm. longo; cohimna brevis ; rostellnm porrectum 

 3-partitmn, segmentis lateralibus linearibus barbatis, intermedio ob- 

 longo obtuso nude, glandulis lanceolatis cum stipitibus filiformibus dis- 

 cretis, polliniis sphaeroideis approximatis. {E.v exempli, plur. viv.) 



Hab : South-eastern Region ; Cape Colony : on trees near tbe 

 mouth of tbe Kei Kiver, alt. 30 met., fl. June- July, Flanafjan, 

 No. 1808!— Natal: Gerrard. 



Plate 57. Fig. 1, flower; 2, ditto, front view, part of spur cut 

 off; 3, a side sepal ; 4, the odd sepal ; 5, a petal ; 6, lip, side view, 

 part of the spur cut ofif ; 7, column, front view ; 8, ditto, side view ; 

 9, upper part of column, viewed from above, the lid removed; 10, apex 

 of rostellum, after removal of the pollinia, the margins of the obtuse 

 middle segment having become revolute ; 11, pollinia, — all variously 

 magnified. 



A small epiphytical glabrous stemless herb ; roots 1-1'5 mill, 

 in diameter ; leaves 2-3, oblong obtuse or unequally emarginate 

 leathery smooth, 1-5-2-7 cm. long; racemes 2-4, spreading, 

 longer than the leaves, 3-5-fl., the rachis very slender, curved, 

 often fiexuose, bracts hooded papery, clothing the internodes of 

 the rachis ; segments of the perianth spreading, about 2 mill, 

 long; side sepals oblanceolate subobtuse,the odd one ovate-oblong, 

 petals oblong very obtusely rounded, not narrowed at the base, 

 a little shorter than the sepals, limb of the lip from a broad base 



