1458 CXVIII. BALANOPSE^. [Batanops. 



glossy on the face than the back, distantly penninerved. Male flowers not seen. 

 Female flowers axillary, solitary, sessile, the bracts involucrafce, in a few series 

 round, interior ones 1^ lines, exterior ones shorter, hoary-silky outside. Stigmas 

 2, about 1 line long. Fruit Jin. or more long, pale brown, 2-celled or 1-celled by 

 the obliteration of the placenta. Pericarp fragile, imperfectly separating from 

 the endocarp. Seeds 2, ovate, often plano-convex. Testa brown, chartaceous- 

 membranous. Albumen scarcely any, embryo straight ; cotyledons plano-convex, 

 radicle very short, inferior. 

 Hab.: Eookingham Bay, J. Dallachy. 



Ordek CXIX. URTICACE^. 



Flowers unisexual or very rarely polygamous. Perianth simple and calyx-like, 

 of 3 to 5 segments (rarely reduced to 1 or 2) imbricate or induplioate-valvate in 

 the bud. Stamens in the males as many as perianth-segments, and opposed to 

 them, very rarely fewer or more ; filaments short and erect or longer and 

 inflexed in the bud ; anthers usually with 2 parallel cells opening longitudinally. 

 Ovary in the females free or rarely more or less adnate to the perianth, 1-oelled. 

 Style simple or more or ]ess deeply divided into 2 branches or 2 distinct styles, 

 stigmatic in the upper portion, or sometimes the style reduced to a sessile fringed 

 or tufted stigma. Ovule 1, erect and orthotropous, or laterally attached and 

 amphitropous, or pendulous and anatropous, the micropyle always superior. 

 Fruit (of each separate flower) a small berry drupe nut or indehiscent utricle, and 

 sometimes the fruits of a whole inflorescence united in a succulent synearp, 

 surrounding or subtended by or enclosed in a fleshy receptacle. Seed with a 

 membranous testa, with or without albumen. Embryo straight curved or spirally 

 involute, the cotyledons flat or folded, the radicle superior. — Trees shrubs or 

 herbs very varied in habit and foliage. — Leaves alternate or opposite, entire 

 toothed or rarely divided, penniveined and often 3-nerved. Stipules present, but 

 usually very deciduous. Flowers small, in cymes clusters or heads, rarely 

 solitary, the clusters or heads often racemose or paniculate, the receptacle of the 

 heads very variously shaped and often bordered by an involucre of small bracts. 



A very large order, spread over the New and the Old World, chiefly tropical, but a few 

 species extending into temperate regions, both in the northern and the southern hemisphere, a 

 very few only to be met with in cold climates. Weddell gives the name of cystolitas to certain 

 calcareous concretious under the epidermis of the leaves, which, when linear, assume in the 

 dried specimens the aspect of appressed superficial hairs, although really within the substance 

 of the leaf. The form of these oystoliths has in some Urtioese been made use of as a specific 

 character, but they are, I bslieve, dot-like in all the Australian species. — Benth. 



Tbibe I, Celtidese. — Flowers often polygamous, in axillary or lateral cymes. Filaments 

 short, erect or slightly incurved in the bud. Style-branches 2, equal. Ovule vendulous, Embiyo 

 curved, the cotyledons often folded over the incumbent radicle. Trees or shrttbs. 



Flowers polygamous, the fertile ones frequently hermaphrodite. Perianth 

 segments imbricate in the bud. Style-branches (or styles) linear-oblong 

 or dilated, truncate, or 2-lobed 1. Celtis. 



Flowers . polygamous, the fertile ones frequently hermaphrodite. Male 

 perianth-segments induplicate-valvate. Style-branches (or styles) short 

 involute and persistent on the fruit 2. Teema. 



Flowers unisexual (monoecious). Perianth segments imbricate in the bud. 



Style-branches (or styles) subulate 3. Aphakakthe. 



Tribe II. Moreae. — Flowers unisexual in dense spikes or heads. Stamens inflected in the 

 bud. Styles usually 2-branched. Ovules pendulous or laterally attached. Embryo incurved or 

 i7ivolute. Trees or shrubs rarely herbs. 



Sub-tribe 1. BrouBonetleee. — Male flmvers capitate, spicate or racemose, females in 

 globose heads. Style undivided, elongate. Shrubs or trees. 



Male flowers in dense spikes. Females in globular heads, their perianths 

 uroeplate with a small orifice. Style-branches elongated ...... 4. Malaibia. 



