RUBIACE^. CLXXVI. CEPH^LIS. 



605 



late, longer than the calyx. Ij . S. Native of equinoxial 

 Brazil. 



Ruellia-leaved Cephselis. Shrub 4 to 5 feet. 



SECT. II. CALLICO'CCA (from caXXioroc, Jcallistos, the most beau- 

 tiful, and KOKKOC, Jcokkos, a berry ; the berries are blue or pur- 

 plish). D. C. prod. 4. p. 533. Heads of flowers involucrated 

 by distinct ovate or oblong erectly adpressed bracteas. 



* Shrubs. Heads of flowers pedunculate. 



5 C. JUSTICIJEFOLIA (Rudge, pi. guian. 1. p. 28. t. 43.) gla- 

 brous ; branches dependent, knotted; leaves oval -lanceolate ; 

 stipulas truncate, hidentate; heads on long peduncles, involu- 

 crated by broad-lanceolate bracteas ; calyx nearly entire. Pj . S. 

 Native of Guiana, on the banks of rivers. Peduncles downy. 

 Bracteas fulvous. Corolla with a bearded throat. Flowers ses- 

 sile on a disk formed by the bases of the bracteas. 



Justicia- leaved Cephaelis. Shrub 6 to 8 feet. 



6 C. STIPULA'CEA (Blum, bijdr. p. 1005.) stem suffruticose, 

 nearly simple ; leaves cuneate-oblong, acuminated, glabrous ; 

 stipulas semiorbicular ; heads on very short peduncles, axillary, 

 and terminal, involucrated by roundish bracteas. Ij . S. Native 

 of Java, on the mountains. Stipulas large, membranous. Mar- 

 gin of calyx truncate, entire. Berries dry, 2-celled, compressed, 

 the commissure drawn out into a prominent angle on both sides. 



Stipulaceovs Cephaelis. Shi ub 1 to 2 feet. 



7 C. LIGULA'RIS (Rich. mss. ex D. C. prod. 4. p. 533.) gla- 

 brous ; leaves petiolate, oval, acutish ; stipulas broad, emargi- 

 nate ; peduncles compressed, solitary, involucrated by 9-10 

 ligiilar bracteas; calyx hardly 5-toothed. T? . S. Native of 

 French Guiana. Schradcra ligularis, Rudge, pi. guian. 1. p. 

 29. t. 815. Tratt. tab. t. 84. According to Richard, the ova- 

 rium is 2-celled, and the cells 1 -seeded, and therefore it is a true 

 species of Cephceiis. 



Zig/ar-bractead Cephaelis. Shrub. 



8 C. sALicii-oLiA (H. B. et Kunth, nov. gen. amer. 3. p. 376.) 

 glabrous ; leaves almost sessile, lanceolate, acuminated, shining ; 

 stipulas subulate, combined at the base ; heads of flowers pe- 

 dunculate, terminal, involucrated by 4 ovate-cordate leaves or 

 bracteas. ^ S. Native of New Andalusia, in arid places on 

 Mount Cocollar. Involucrum green. Branches compressed 

 while young. 



IVillow-leaved Cephaelis. Tree 20 feet. 



9 C. GLA'BRA(Willd. spec. 1. p. 979.) branches terete, clothed 

 with rufous villi while young ; leaves ovate-oblong, acute, gla- 

 brous, downy on the veins beneath ; stipulas bipartite, acute ; 

 heads pedunculate, terminal, rather hairy. fj . S. Native of 

 French Guiana, in open places. Tapogomea glabra, Aubl. guian. 

 1. p. 108. t. 63. Callicocca glabra, Gmel. syst. 1. p. 372. 

 Corollas and berries blue. 



Glabrous Cephselis. Shrub 2 to 3 feet. 



10 C. BIIACTEOCA'RDIA (D. C. prod. 4. p. 534.) branches 

 terete, clothed with velvety down while young, but glabrous in 

 the ailult state ; leaves elliptic-oblong, tapering to both ends, 

 downy on the veins beneath ; stipulas twin on both sides, subu- 

 late, joined a little way at the base ; heads of flowers peduncu- 

 late, terminal, downy, involucrated by 4-6 acute bracteas, which 

 are cordate at the base. (7 . S. Native of French Guiana, 

 where it was collected by Patris ; and of Brazil, in the province 

 of Bahia by Salzmann. 



Var. a ; bracteas acuminated, purplish. Native of Guiana. 



Var. /3 ; bracteas pale, less acuminated. Native of Brazil, at 

 Bahia. Corollas flesh-coloured. 



Var. y ; bracteas pale, hardly acuminated, rather ovate at the 

 base. Native of Guiana. 



Hearl-bractead Cephaelis. Shrub 2 to 3 feet. 



11 C. AMBI'OUA (D. C. prod. 4. p. 534.) branches terete, 

 downy, compressed while young ; leaves elliptic-oblong, tapering 

 to both ends, downy on the veins beneath ; stipulas twin on both 

 sides, subulate, joined together a little way at the base ; heads 

 pedunculate, terminal, smoothish, involucrated by 4-6 bracteas, 

 which are hardly cordate at the base, and very blunt at the 

 apex. 1? . S. Native of Brazil, near Bahia, in shady valleys, 

 where it was collected by Salzmann. Involucrum violaceous. 



Ambiguous Cephaelis. Shrub 2 to 3 feet. 



12 C. CR&CEA (Meyer, esseq. p. 107.) glabrous; branches 

 rather tetragonal ; leaves ovate, short-acuminated at both ends ; 

 stipulas linear, twin ; heads terminal, globose, on short pedun- 

 cles, involucrated by 8 oblong-linear bracteas, and without any 

 paleae among the flowers, fj . S. Native of Dutch Guiana, at 

 Essequebo. Corolla saffron-coloured, villous outside. Leaves 

 of involucrum ciliated, yellowish. 



Sajfrtm-coloured-flowered Cephaelis. Shrub. 



13 C. HUMBOLDTIA'NA (Cham, et Schlecht. in Linnaea. 4. p. 

 136.) glabrous ; leaves elliptic-lanceolate, tapering to both ends, 

 on short petioles, firm and shining ; stipulas tooth-formed on 

 both sides at the base of the petioles ; heads terminal, peduncu- 

 late, nearly globose, loose ; bracteas membranous, nerved : outer 

 ones roundish-ovate : inner ones more acute. Tj . S. Native of 

 South America, at Javita, in shady places. 



Humboldt's Cephaelis. Shrub. 



14 C. DICHO'TOMA (Rudge, pi. guian. 1. p. 29. t. 44.) gla- 

 brous ; branches dichotomous ; leaves on short petioles, ovate- 

 lanceolate ; stipulas bidentate ; heads terminal, on short pedun- 

 cles, involucrated by nearly orbicular bracteas. fj . S. Native 

 of French Guiana, and of Brazil, near the river Ilheos, if C. di- 

 chotoma, Nees et Mart. nov. act. bonn. 12. p. 17. be the same. 

 Bracteas fulvous. Calyx obsoletely 5-cleft. Fruit furrowed, as 

 in the genus Psychotria. 



Dichotomous Cephaelis. Shrub 6 to 8 feet. 



15 C. SWA'RTZH (D. C. prod. 4. p. 534.) glabrous ; branch- 

 lets rather tetragonal ; leaves ovate-lanceolate, acuminated, 

 nerved, petiolate ; stipulas broad, combined, acuminated, at 

 length ciliated ; heads terminal, globose, pedunculate, involu- 

 crated by 5 ovate concave bracteas ; paleae among the flowers 

 obtuse. fj . S. Native of the West India Islands, and of St. 

 Lucia, &c. C. violacea, Swartz, prod. p. 45. fl. ind. occ. 439. 

 exclusive of the synonymes. Peduncles an inch long, quadran- 

 gular. Corollas bluish. Berries blue. Bracteas violaceous. 

 It differs from the true C. violacea in the heads of the flowers 

 being pedunculated, in the stipulas being ciliated, and in the 

 paleae among the flowers being obtuse. 



Swartz' s Cephaelis. Shrub 4 to 6 feet ? 



16 C. MARANHAME'NSIS; leaves broad-oblong, acuminated, 

 membranous, glabrous ; heads of flowers terminal and axillary. 

 Tj . S. Native of Maranham, on the banks of rivulets. Shrub 

 branched. Flowers violaceous. 



Maranham Cephaelis. Shrub 4 feet. 



17 C. FERRUGINEA ; climbing, villous ; leaves oblong-lanceo- 

 late, acuminated, rusty beneath, petiolate ; peduncles axillary, 

 elongated, villous ; heads involucrated by many leaves. (7 . S. 

 Native of Sierra Leone, on the banks of rivulets. 



Rusty Cephaelis. Shrub cl. 



18 C. PEDUNCULA'TA (Salisb. par. lond. 2. t. 99.) stem terete, 

 swelled below the joints ; leaves oblong-lanceolate, glabrous, 

 tapering to both ends ; stipulas twin on both sides, combined 

 almost to the top, keeled ; heads of flowers pedunculate, ter- 

 minal, or in the forks of the branches ; outer bracteas repandly 

 toothed ; calyx bearded ; segments of calyx horned on the 

 back. I? . S. Native of Sierra Leone. Flowers white. 



Peduncled Cephaelis. Fl. Feb. Clt. ? Shrub 2 feet. 



