562 



CHLENACEJE. I. SARCOUENA. II. LEPTOLJENA. III. SCHIZOL.KNA. IV. RHODOL.ENA. V. HUGONIA. 



to the calyx. Sepals 3, concave, fleshy. Petals 6, urceolate. 

 Stamens numerous, connected at the base. Ovary 3-celled, 

 many-seeded. 



f A genus allied to Chlenacece. 



5 HUGONIA. Involucrum none. Calyx 5-parted. Petals 5, 

 unguiculate. Stamens 10, monadelphous at the base. Styles 

 5, distinct. Drupe containing 5, 1-seeded carpels adhering 

 together. 



I. SARCOLjENA (from aapZ, aapKos, sarx sarcos, flesh, and 

 yXaiva, chlaina, a cloak ; alluding to the fleshy involucre). Pet. 

 Thour. 1. c. p. 37. 



LIN. SYST. Monadelphia, Polyandria. Involucre fleshy, 

 pitcher-shaped, 5-toothed, and covered with rusty down. Calyx 

 within the involucre. Petals 5, conniving into a tube at the 

 base. Stamens numerous, inserted in the base of the tube. 

 Anthers terminal. Ovary 3-celled ; cells 2-seeded. Capsule 

 within the large baccate involucrum, which is furnished with 

 stinging hairs inside. Albumen thin. Shrubs with decumbent 

 branches ; younger leaves plaited ; adult ones waved, appearing 

 as if they were 5-nerved. Flowers white. 



1 S. GRANDIFLORA (P. Th. 1. c. p. 40. t. 9.) panicle few- 

 flowered ; leaves acute, clothed with rusty down beneath ; in- 

 volucre depressed, scabrous from hairs. Tj . S. Native of Ma- 

 dagascar. Flowers large. 



Great-flowered Sarcolsena. Shrub 10 feet. 



2 S. MULTIFLORA (P. Th. 1. c. p. 40. t. 10.) panicle crowded ; 

 leaves acute, rather pilose on the nerves beneath ; involucre 

 rough from hairs, 3-lobed. Tj . S. Native of Madagascar. 



Many-flowered, Sarcotena. Shrub 10 feet. 



3 S. ERIO'PHORA (P." Th. 1. c. p. 40.) panicle few-flowered, 

 axillary ; leaves blunt, free from longitudinal plaits ; involucre 

 very hairy. Tj . S. Native of Madagascar. 



Wool-bearing Sarcolaena. Shrub 10 feet. 



Cult. Sarcolcena is a genus of elegant shrubs ; the species 

 will thrive well in a mixture of sand, loam, and peat ; and 

 cuttings will probably root in sand under a hand-glass, in heat. 



P. 



II. LEPTOLJi'NA (from \CTTTOC, leptos, slender, and 

 chlaina, a cloak ; in allusion to the narrow fleshy involucre). 

 Th. hist. veg. afr. austr. p. 41. D. C. prod. 1. p. 521. 



LIN. SYST. Monadelphia, Decdndria. Involucre small, 

 rather fleshy, cylindrical. Sepals 3. longer than the involucre. 

 Petals 5, connected into a tube. Stamens 10. Anthers fixed by 

 the back. Ovary 3-celled ; cells 2-seeded. Capsule girded by 

 the scabrous involucre, 1 -celled, 1-seeded from abortion. An 

 elegant tree, with smooth, waved leaves, and corymbose flowers. 



1 L. MULTIFLORA (P. Th. 1. c. p. 41. t. 11,). Tj . S. Native 

 of Madagascar at Foulepointe. Flowers white. 



Many-flowered Leptolaena. Tree 20 feet. 



Cult. See Sarcolce'na for cultivation and propagation. 



III. SCHIZOL/E V NA (from <TX I <>>, schizo, to cut, and 

 X^aiva, chlaina, a cloak; alluding to the cut involucre (f. 96. g.). 

 P. Th. hist. veg. afr. austr. p. 43. gen. nov. no. 55. D. C. prod. 

 l.p. 521. 



LIN. SYST. Monadelphia, Polyandria. Involucre 2-flower- 

 ed (f. 96. 6.), fringed, not fleshy, at length expanded, jagged (f. 

 96. /.), clammy, conniving. Sepals 3 (f. 96. a.). Petals 5 (f. 

 96. &.). Stamens numerous, with slender filaments (f. 96. e.) 

 and adnate anthers. Capsule enclosed within the involucre (f. 

 96. g.), 3-celled ; cells many-seeded. Elegant little trees, with 

 ovate smooth leaves, and panicles or racemes of flowers. 



1 S. ROSEA (P. Th. 1. c. p. 43. t. 12.) panicles terminal ; in- 

 volucre very large, irregularly FIG. 96. 



cleft. Tj . S. Native of Mada- 

 gascar. Flowers red (f. 96.). 



,/fose-coloured- flowered Schizo- 

 laena. Tree 20 feet. 



2 S. ELONGA TA (Pet. Th. 1. c. 

 p. 44.) panicles terminal ; invo- 

 lucre 5-lobed, a little longer than 

 the capsule. Jj . S. Native of 

 Madagascar. Flowers white. 



Elongated-invo\ucre(li Schizolae- 

 na. Tree 20 feet. 



3 S. CAULIFLORA (P. Til. 1. C. p. 



44.) flowers racemose ; racemes 

 rising from the trunk or larger 

 branches. Tj . S. Native of Ma- 

 dagascar. 



Stem-flowered Schizolaena. Tree 20 feet. 



Cult. Schizola'na is a genus of elegant little trees. The 

 species will thrive well in a mixture of loam, sand, and peat ; and 

 cuttings will root in sand, under a hand-glass, in heat. 



IV. RHODOL&'NA (from poSoe, rhodos, a rose, and 

 chlaina,] a cloak ; flowers are red). Pet. Th. hist. veg. afr. 

 austr. p! 47. gen. nov. no. 56. D. C. prod. 1. p. 522. 



LIN. SYST. Monadelphia, Polyandria. Involucre constantly 

 of 2 bracteas, which are pressed to the calyx. Sepals 3, con- 

 cave, fleshy, clammy. Petals 6, large, urceolate, spirally twisted 

 in the bud. Stamens numerous, shorter than the petals, joined 

 at the base into a short urceolus ; anthers quadrangular, inserted 

 by the back. Ovary 3-celled, many-seeded. A climbing shrub 

 with oval, acute leaves, which are pointed by the middle nerve 

 being drawn out ; 2-flowered, naked, axillary peduncles, and 

 large scarlet flowers. 



1 R. ALTIVOLA (P. Th. 1. c. p. 48. t. 13.). ^ . ^. S. Native 

 of Madagascar. Fruit unknown. 



Soaring Rhodolaena. Shrub climbing. 



Cult. This is a beautiful climbing shrub with large scarlet 

 flowers, well adapted for covering rafters in stoves. It will thrive 

 well in a mixture of loam and peat ; and cuttings will root in 

 sand under a hand-glass, in heat. 



( A genus allied to Chlendceee. 



V. HUGO'NIA (in honour of John Hugon, an English bo- 

 tanist, who published a dissertation on the systems of botany in 

 1771). Lin. gen. no. 831. Gsert. fruct. 1. p. 281. t. 58. 

 D. C. prod. 1. p. 522. 



LIN. SYST. Monadelphia, Decdndria. Calyx naked, per- 

 manent, 5-parted, or of 5 unequal sepals, which are connected 

 at the base, imbricate in the bud. Petals 5, unguiculate, al- 

 ternating with the sepals, twisted in aestivation. Stamens 10, 

 joined into an urceolus at the base at first, but afterwards be- 

 coming free and filiform ; anthers ovate, twin. Ovary round- 

 ish. Styles 5, distinct. Drupe fleshy, enclosing (5 ex Cav. 10 

 ex Gsert.) 1-seeded carpels, adhering together, with a pendu- 

 lous seed in each cell. Embryo inverted in the axis of a fleshy 

 albumen, with a short superior radicle and flat leafy cotyledons. 

 Shrubs with alternate leaves, but they are usually crowded and 

 opposite near the flower ; 2 awl-shaped stipulas and 1 -flowered 

 axillary peduncles, sometimes some of which are changed into 

 hooked spines. This genus is allied to Malvacca; or Bytlne- 

 riacece, but the calyx is not valvate but imbricate. 



1 H. MY'STAX (Lin. spec. 944.) leaves oval, smooth, very 

 1 



