Zeuxine.] cxxxiii. orchide^ (rolfe). 181 



granular, affixed to a linear or cuneate stipes with a broad, rounded 

 gland, descending behind the rostellum. Stigmas 2, lateral ; rostellum 

 erect, short and broad or minute. Capsule small, erect, ovoid or sub- 

 globose. — Slender or dwarf terrestrial herbs, with short creeping 

 rhizomes, and ascending or erect, simple stems. Leaves sessile on the 

 broad sheath, and linear, or petiolate with an ovate or lanceolate limb, 

 often membranous. Flowers small, numerous, arranged in dense or 

 slender spikes. Bracts membranous, mostly, shorter than -the flowers. 



A genus of about 20 species, mostly Indian and Malayan, with four Tropicai and 

 one South African representatives. 



Leaves linear . . . . . . . . 1. Z. qfricana. 



Leaves ovate or elliptical. 



Flowers 1|- lin, long . . . . . 2. Z. elongata. 



Flowers 3-3^ lin, long. 



Lip trifid in front . . . . . . 3, Z. tetraptera. 



Lip divaricately bilobed . . . . . 4. Z. Batesii. 



1. Z. africana, Reichh.f. in Flora, 1867,103. Plant very slender, 

 about in. high, with a few sheaths at the base. Leaves about 8, linear, 

 acute, short. Racemes few-flowered, cylindrical, congested. Bracts 

 linear, acuminate, longer than the flowers. Flowers greenish- white. 

 Dorsal s^al cucullate; lateral ligulate, subacute. Petals oolong, 

 acute, hyaline, forming a galea with the dorsal sepal. Lip unguiculate ; 

 base hastate-triangular ; apex linear-ligulate, obtuse. Column with a 

 pair of ligulate, retuse arms at the base. 



Ziower Guinea. Angola : Golungo Alto; Cuango Rivulet, among grasses, very 

 rare, Welwitsch, 669 ! 



2. Z. elongata, Rolfe in Bolet. Soc. Brot. ix. 142. Plant 1-1 J ft. 

 high ; stem creeping at the base. Leaves several, ovate-oblong, sub- 

 obtuse, petiolate; limb li-2 in. long, 8-10 lin. broad; petiole J in. 

 long, with a membranous sheath at the base. Scapes 8-10 in. long, 

 puberulous ; spikes 5 in. long, many-flowered. Bracts narrowly lan- 

 ceolate, setaceous acuminate, '2-'2}2 lin. long. Flowers 1^ lin. long. 

 Dorsal sepal ovate, obtuse, 1 lin. long ; lateral elliptic-oblong, obtuse, 

 free. Petals linear, subobtuse, cohering at the base with the doisal 

 sepal into a hood, free at the apex. Lip as long as the sepals ; base 

 contracted into a concave, linear claw ; limb reniform-ovate, entire, 

 J lin. diam. ; calli 2, minute, erect, at the base of the concave claw. 

 Column short ; arms straight. 



Upper Guinea. Sierra Leone : Talla district ; Lomaburn, Scoti-EUiot, 5020 ! 

 JmO'wbt Guinea. Princes Island, Quintas, 12 ! 



3. Z. tetraptera, Durand d- Schinz, Consj^ect. Fl. Afr. v. 57. Plant 

 1 ft. high ; stem creeping at the base. Leaves shortly petiolate ; limb 

 broadly elliptical or ovate-oblong, shortly acuminate, ^\---^ in. long, 

 |-1| in. broad ; petioles 2-3 lin. long. Scapes (1-7 in. long ; racemes 

 lax, hispidulous-pubescent. Bracts lanceolate, jicuminate, 4-5 lin. long. 

 Sepals lanceolate, acuminate, 3J lin. long. Petals linear. Lip ligulate, 



