132 CXXXIII. ORCHIDEZ (ROLFE). [Saccolabium. 
16. SACCOLABIUM, Blume; Benth. et Hook. f. Gen. Pl. iii. 578. 
Sepals subequal, free, spreading, sometimes fleshy. Petals similar to 
the sepals or nearly so. Lip affixed to the base of the column, and con- 
tinuous with it, saccate or calcarate at the base; side lobes erect, 
usually small, sometimes nearly obsolete ; front lobe erect or spreading, 
oblong or rounded, sometimes very fleshy, generally shorter than the 
spur; disc smooth or with a small appendage at the mouth of the spur. 
Column short, broad, sometimes very broad, without wings, and foot- 
less ; clinandrium truncate or nearly so. Anther terminal, operculate, 
incumbent, convex, obtuse or subacute, 1-celled or imperfectly 2-celled ; 
pollinia 2, subglobose, entire, sulcate or bipartite, attached to a slender, 
linear or clavate stipes, with small squamiform gland. Capsule globose, 
oblong, or rarely elongate, with slender or prominent ribs.—Epiphytic 
herbs. Stems short or somewhat elongate, leafy, not thickened into 
pseudobulbs, Leaves distichous, spreading, coriaceous, fleshy, or rarely 
slender, flat or rarely terete, articulated to a persistent sheath. 
Peduncles lateral, simple or branched. Flowers small or medium- 
sized, arranged in lax or dense racemes or panicles. Bracts small.— 
Acampe, Lindl. Fol. Orch., Acampe, 1. 
A genus of over 60 species, widely diffused in India and Malaya, with a few Poly- 
nesian representatives, one Australian, and a few in Tropical Africa and Madagascar. 
The African species all belong to the section Acampe (formerly considered a distinct 
genus), characterised by its very fleshy lip. 
Spur conical e . . ° e b H 
, 1l. S. pachyglossum. 
Spur rounded, S s S S z 7 L 
mombasense. 
1. S. pachyglossum, Aalt, Stem stout, with thick roots. 
Leaves ligulate, unequally bilobed at the apex, 9} in. long, 14 lin. 
broad. Panicles unequal. Sepals and petals cuneate or oblong-ligulate, 
subacute. Lip trilobed ; side lobes very dwarf, semioblong, angled in 
front; front lobe quadrate, asperulous, with a pair of keels on the dise, 
and another dwarf one near the mouth of the spur ; spur conical, small. 
—Acampe pachyglossa, Reichb. f. Otia Bot. Hamb. ii. 76. 
Nile Land. British East Africa: Mombasa, Hildebrandt, 1991! 
2. S.mombasense, Folfe. Plant glabrous, stout. Leaves oblong- 
ligulate, 8 in. long, 1} in. broad; apex obliquely emarginate. Spikes 
shortly racemose or somewhat paniculate, 3-4 in. long. Bracts short, 
semiorbicular-ovate, Flowers thick, fleshy. Dorsal sepal spathulate- 
ligulate, obtuse, 5 lin. long, 24 lin. broad ; lateral similar to the dorsal, 
2 lin. broad, oblong-ligulate. Petals much like the sepals but 
more spathulate, 1} lin. long. Lip 43-5 lin. long, trilobed; side lobes 
short, rounded, pubescent above ; front lobe thick, broadly 5-angled, 
obtuse, 2 lin. long, very papillose on the margin and upper face; disc 
with a lamelliform keel between the side lobes, terminating in an obtuse 
