MOXOCHLAMYDE^. 



643 



(^^5. 1012 and 1013). — Character. — Trees, shrubs, or herbs, 

 usually with an acrid milky juice. Leaves alternate or opposite, 

 simple {fig. 306), or rarely compound, and with or without 

 stipxiles. Flowers unisexual {figs. 509, 537, 613, and 1012), 

 monoecious {fig. 1012) or dioecious, axillary or terminal, some- 

 times enclosed in a calyx-like involucre {fig. 1012, i); achlamy- 



Fig. 1013. 



Fig. 1012. Monoepious head of flowers of a species of Euphorbia, i. 

 Involucre, a portion of wliicli lias been removed in front. <j, g. Glands 

 on tiie divisions of the involucre, b, b. Scales or liracts at the base of 

 the flowers, fm, fm. Male flowers, each consisting of a stamen sup- 

 ported on a pedicel, to which it is articulated, ff. Female flower, sup- 

 ported ou a stalk. From Jussieu. Fig. 1013. Vertical section of a 



coccus of the fruit of a species of Euphorbia. 



deous {figs. 509 and 613) or with a lobed {figs. 537, 627, e) 

 inferior calyx, having on its inside glandular or scaly appendages 

 {figs. 627, t, and 1012, h), or even evident petals {figs. 537, p, 

 and 627, p), which are either distinct or united. Male flowers 

 consisting of 1 {figs. 509 and 1012, fm) or more stamens {fig. 

 537, e), distinct or united, and 2-celled anthers. Female flowers 

 with a superior ovary {figs. 627 and 628), which is either ele- 

 vated upon a stalk {fig. i012, ff), or sessile {figs. 627 and 628), 

 1-2- 3- or many-celled ; styles either absent or corresponding in 

 number to the cells of the ovary, entire or divided {figs. 613, 

 627, and 628) ; stigmas equal in number to the cells of the ovary, 

 or, when the styles are divided, coiTespondiug in number to their 

 divisions (yi'^s. 613, 627, and 628); ovules 1 or 2 in each cell, 

 suspended from their inner angles {fig. 1013). Fruit either dry, 

 and its parts then separating from each other and from the axis 

 {figs. 661 and 695), and usually opening with elasticity, or suc- 

 culent and indehiscent. Seeds 1 or 2 in each cell, suspended {fig. 

 1013), often arillate or carunculate ; embryo {fig. 1013) in fleshy 

 albumen, with flattened cotyledons, and a superior radicle. 



Diagnosis. — Herbs, shrubs, or trees, commonly with an acrid 

 milky juice. Flowers unisexual, monoecious or dioecious. Calyx 

 absent, or present and inferior. Male flowers with 1 or 



