lienealmia.\ cxxxiv. scitamine^ (baker). 313 



to the base, about 1 ft. long, l|-2 in. broad, moderately firm, glabrous 

 on both sides; petiole slender, Ij-o in. long. Peduncle \l ft. long, 

 with several long scariose obtuse sheaths, produced direct from the 

 rootstock. Panicle lax, very narrow, 1 ft. long ; rhachis pubescent ; 

 lower flowers geminate ; pedicels short, ascending ; bracts oblong, pube- 

 scent, J-| in. long. Oalyx narrowly funnel-shaped, \ in. long, obscurely 

 toothed. Corolla-tube cylindrical, rather longer than the calyx ; lobes 

 small, oblong-lanceolate. Lip not seen. Fruit oblong, J in. long.— 

 Ethanium cincinnatum, K. Schum. in Engl. Jahrb. xv. 424. 

 Iiow^er Guinea. Gaboon : Munda ; Sibauge farm, Soyaux, 180 ! 



4. R. grandiflora. Baker. Leaf oblong, acute, deltoid at the 

 base, 2-3 ft. long, 6-7 in. broad at the middle, moderately firm, gla- 

 brous on both sides. Panicle dense, thyrsoid, 1 ft. long, 4 in. broad ; 

 branches spreading horizontally, the lower 2-3-flowered ; pedicels 

 ascending, J-J in. long, densely pubescent ; flower-bracts oblong-navi- 

 cular, above 1 in. long, enclosing the buds. Corolla l|-2 in. long; 

 lobes oblong-lanceolate, longer than the tube. Lip scarcely longer than 

 the corolla-lobes. 



Jaovrer Guinea. Island of St. Thomas : Angolares, Quintas, 2 ! 



5. R. battenbergiana, Cummins. Leafy stem 2-4 ft. long. 

 Leaves oblanceolate-oblong, cuspidate, G-8 in. long, lJ-2 in. broad 

 above the middle, narrowed to the base, firm, glabrous, with a petiole 

 an inch long above the clasping sheath. Raceme simple, lax, few- 

 flowered, terminal on the leafy stem ; bracts oblong, similar in texture 

 to the leaves, |-1 in. long. Calyx funnel-shaped, \ in. long. Corolla 

 not seen. Capsule oblong-cylindrical, indehiscent, | in. long, red. 



Upper Guinea. Ashanti : Assin-Yan-Coomassie, Cummins, 197 ! 



C. THALIA, Linn.; Benth. et Hook. f. Gen. PI. iii. G50. 



Sepals o, equal, free, ovate, membranous. Petals 3, .free or slightly 

 joined at the base ; posterior rather larger than the two others. An- 

 dro^cium with a short tube ; lobes very irregular ; lip obovate, with a 

 crest inside; anther 1 -celled on a narrow lobe. Ovary globose, with 

 only one perfect cell, containing a single erect ovule; style adnate at 

 the base to the staminal tube ; stigma thick, appendiculate at the back. 

 Capsule globose; pericarp thin, smooth, breaking irregularly. Seeds 

 solitary, globose, arillate; embryo horseshoe-shaped. — Annual herbs, 

 without any thickened rootstock. Leaves basal and also cauline, with 

 long petioles above the sheaths. Inflorescence a lax panicle, with 

 secund laxly spicate branches, the small flowers in pairs enclosed in a 

 pair of complicate bracts 



Species about 8, the others American. 



Leaf 1 in. broad 1. T. coenilea. 



Leaf about 3 in. broad 2. T. Welwiischii. 



Leaf 4-6 in. broad 3. T. geniculata. 



