84. LAURACEAE — 85. HERNANDIACEAE — 86. PAPAVERACEAE 211 



14. Perianth yellow, with oblong segments, deciduous. Fruit large, greenish. 



— Species i (P. gratissima Gaertn., avocado-pear). Cultivated in the 

 tropics. It yields edible fruit, from which also a fat and a dye are 

 prepared, and is used in medicine Persea Gaertn. 



Perianth white, with ovate segments, persistent. Fruit small, blackish. 



— Species i. Canary Islands and Azores. Yields timber. (Under 

 Persea Gaertn.) Phoebe Nees 



FAMILY 85. HERNANDIACEAE 



Trees or shrubs. Leaves alternate, palminerved, without stipules. Flowers 

 in panicles, regular, hermaphrodite polygamous or monoecious. Perianth 

 4 — lo-parted. Fertile stamens 3 — 5, alternating with the inner perianth- 

 segments. Anthers 2-celled, turned inwards, opening by valves. Ovary 

 inferior, i-celled. Ovule i, pendulous, inverted. Style and stigma simple. 

 Seed exalbuminous. Embryo with folded or coiled cotyledons. — Genera 3, 

 species 7. Tropics. (Under LAURACEAE or COMBRETACEAE.) 



1. Flowers without bracteoles, polygamous. Perianth very small. Stigma 



capitate. Fruit with 2 terminal wings. Cotyledons spirally twisted. 

 Trees. Leaves undivided or lobed. — Species i. East Africa, Angola, 

 Madagascar. Yields timber. [Subfamily GYROCARPOIDEAE.] 



Gyrocarpus Jaqu. 



Flowers with bracteoles, which sometimes form an involucre, hermaphrodite 



or monoecious. Perianth rather small. Stigma discoid and more or 



less lobed. Cotyledons more or less folded or crumpled. [Subfamily 



HERNANDIOIDEAE.] 2 



2. Flowers hermaphrodite. Perianth lo-parted. Fertile stamens 5, with 2 



scales at the base. Fruit with 2 — 4 lateral wings. Climbing shrubs. 

 Leaves digitate. — Species i. Southern West Africa (Angola). 



Dligera Blume 

 Flowers monoecious, the female surrounded by a cupular, trrmcate or 

 lobed, ultimately inflated involucel. Perianth of the male flowers 

 6 — 8-parted, of the female 8— lo-parted. Fertile stamens 3 — 4. Trees. 

 Leaves undivided. Partial inflorescences surrounded by an involucre 

 of several bracts, and consisting of a female flower and two or more 

 male. — Species 5. Tropics. They yield timber and are used in 

 medicine Hernandia L. 



ORDER RHOEADALES 



SUBORDER RHOEADINEAE 



FAMILY 86. PAPAVERACEAE 



Herbs. Leaves more or less lobed or divided. Flowers hermaphrodite. 

 Sepals 2, very rarely 3. Petals 4, very rarely 6, free, hypogynous. Anthers 

 opening by slits. Ovary superior, i-celled or incompletely 2- or more-celled. 



