2 
300 CXXXIV. SCITAMINEÆ (BAKER). [Costus. 
subcordate at the base, minutely pubescent above, clothed with grey 
silky hairs beneath; ligule with spreading hairs. Spike terminal, 
globose or oblong, 3—4 in. diam. ; bracts densely imbricate, nearly 1 in. 
long. Calyx much exserted, cut one-third down, glabrous, ciliate. 
Corolla-lobes lanceolate, 1 in. or more long. Lip obovate, undulate on 
the upper margin, 2 in. long; process of fertile stamen lanceolate, 
acuminate, shorter than the lip. 
Upper Guinea. Cameroons: in forest near Batanga, Braun ! 
Lower Guinea. Lower Congo, Laurent ! 
No specimen in the Kew Herbarium. 
6. C. trachyphyllus, Schumann in Engl. Jahrb. xv. 420. Leafy 
stem long, moderately stout. Leaves oblong, acute, 10-12 in. long, 
3—4 in. broad at the middle, cuneate at the base, firm in texture, pubes- 
cent beneath ; petiole very short ; ligule short, truncate. Spikes many- 
flowered, oblong, terminal, 3 in. long, 2 in. diam. ; outer bracts orbicular, 
glabrous, 1} in. broad. Calyx funnel-shaped, } in. long ; teeth L-Z as 
long as the tube. Corolla-lobes oblong, acute, 14-14 in. long. Lip 
obovate, 24-3 in. long, 14 in. broad, white or tinged with rose-red ` 
petaloid filament about I in. shorter than the lip, obtuse ; anther } in. 
long, placed half-way down the filament. 
Nile Land. British East Africa: Niamniam; Mbrwole River, Schweinfurth, 
ser. iii. 206! Yuru River, Schweinfurth, 3268! 
7. C. nudicaulis, Baker. Epiphytic. Stem naked, under 1 ft. 
long, bearing at its tip a dense rosette of unequal, oblanceolate-oblong, 
acute leaves, the longest 4 in. long, under 2 in. broad at the middle, 
moderately firm, glabrous on both sides. Spike many-flowered, oblong, 
sessile at the tip of the stem in the centre of the rosette of leaves ; bracts. 
small, oblong. Calyx not protruding beyond the bract. Corolla-lobes 
oblanceolate-oblong, 14 in. long. Lip 2 in. long and broad, pale red; 
process of fertile stamen about 1 in. shorter than the lip ; anther-cells- 
3 in. long. 
Lower Guinea. Gaboon: Gaboon River, Mann, 1033! 
8. C. englerianus, Schumann in Engl. Jahrb. xv. 419, t. 13. 
Stems very short, arising from a long slender creeping rootstock, 
bearing only a single large membranous sheath-leaf and a single deve- 
loped leaf. Leaf broadly oblong, 3-5 in. long, 2-3 in. broad, firm, 
glabrous, obtuse. Flowers 2-3 in a spike at the tip of the stem; 
bracts oblong-lanceolate, scariose, under 1 in. long. Calyx 3-3 in. long, 
subcylindrical, minutely 3-toothed. Corolla-lobes oblanceolate, Fei 
above lin. long. Lip obovate, white with a patch of yellow m t í: 
middle, 14-2 in. long, under 1 in. broad; petaloid filament 4 in. broad 
anther very small.—N. E. Br. in Gard. Chron. 1892, xii. 789. C. um- 
folius, N. E. Br. in Gard. Chron. 1892, xii. 696. 
Upper Guinea. Cameroons: in forest west of Barombi-ba-~Mbu, on rocks on iad 
bed of a river, Preuss, 461. Gold Coast, cultivated specimen ! 
Introduced into cultivation by Messrs. Sander, of St. Albans, in 1891. 
