Zeuxine. | CXXXII. 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 . ; 4 : : i . 1. Z. africana. 
Leaves ovate or elliptical. 
Flowers 14 lin. long : : : ‘ . 2, Z. elongata. 
Flowers 3-34 lin. long. 
Lip trifid in front : : i 2 S E tetraptera, 
Lip divaricately bilobed : e < : . 4. Z. Batesii. 
1l. Z. africana, Reichb. f. in Flora, 1867,103. Plant very slender, 
about 9 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 sepal cucullate; lateral ligulate, subacute. Petals oblong, 
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. 
Lower 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} ft. 
high; stem creeping at the base. Leaves several, ovate-oblong, sub- 
obtuse, petiolate; limb 14-2 in. long, 8-10 lin. broad; petiole } 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, 2-24 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 dorsal 
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, 
2 lin. diam.; calli 2, minute, erect, at the base of the concave claw. 
Column short; arms straight. 
Upper Guinea. Sierra Leone: Talla district ; Lomaburn, Scott-Elliot, 5020! 
Lower Guinea, Princes Island, Quintas, 12! 
3. Z. tetraptera, Durand & Schinz, Conspect. Fl. Afr.v.57. Plant 
1 ft. high ; stem creeping at the base. Leaves shortly petiolate ; limb 
broadly elliptical or ovate-oblong, shortly acuminate, 14-2} in. long, 
7-1} in. broad ; petioles 2-3 lin. long. Scapes 6-7 in. long; racemes 
» hispidulous-pubescent. Bracts lanceolate, acuminate, 4-5 lin. long. 
Sepals lanceolate, acuminate, 34 lin. long. Petals linear. Lip ligulate, 
