CHLÆNACEÆ. 
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GENERA. 
1. Leptolæna Dur.-Tu.—Flowers hermaphrodite; receptacle 
rather convex. Sepals 3, cortorted or much imbricated. Petals 5, 
free, contorted. Stamens 10, inserted inside, slightly above the base 
of urceoliform shortly cylindrical dise, obscurely crenate at apex ; 
filaments otherwise free ; 5 oppositipetalous shorter ; anthers in- 
trorse versatile; connective rather thick; cells 2, longitudinal clefts 
often confluent at apex. Germen superior, 3-locular ; cells oppositi- 
petalous ; style elongated stigmatiferous at apex, obtuse 3-lobed, 
much dilated. Ovules in each cell 2, inserted in internal angle, 
collaterally descending; micropyle extrorse superior. Fruit dry 
(indehiscent ?) by abortion 1-locular 1-spermous. Seed descending or 
laterally affixed, subpeltate; micropyle inwardly lateral; testa 
glabrous coriaceous; albumen fleshy or subcorneous; embryo 
parallel to hilum ; radicle superior cylindrical ; cotyledons foliaceous, 
base digitinerved, subplane or undulate.—Small trees, leaves alter- 
nate subentire coriaceous reticulate penninerved ; stipules lateral 
caducous ; flowers (small) in racemes (terminal or axillary to upper 
leaves) much ramified and cymose; each involucel calyciform sacciform 
suburceolate, 6-denticulate at apex, persistent and accrescent round 
fruit, rather fleshy, stipitate (Madagascar). See p. 228. 
2. Sarcolæna Duvp.-Tu.'—Flowers nearly of Zeptolæna ; stamens 
a. Capsule 3-locular; cells 1, 2-spermous.—Elegant trees or small 
trees, sometimes climbing ; leaves alternate, usually entire coriaceous, 
impressed in lines above, from induplicate racemose vernation as if 
3-5-nerved or sometimes small submembranous unequal-crenate. 
Stipules small or oftener wide conical caducous. Inflorescence of 
Leptolena, many flowered, or sometimes 1 few-flowered terminal, 

1 Hist, des Vég. Rec, dans les Iles Austr, vv. 5598.—H. By., in Payer Fam. Nat., 263, 
d'Afr, 37, t. 9, 10.—-DC., Prodr., i. 521. —B. H., Gen., 195, n. 1.—EÆriocarpus J. 
—Turr., in Dict. Se, Nat., Atl, t. 146— (ex Duv,-Tu.)—TZantalus NoroNH. (ex Dup.- 
Spacu, Suit, à Buffon, iv. §4.—ENpDuL., Gen,  ‘TH.). 
