92 BRA CJfYSEMA 



Brachysema R. Br. Leguminosae (in. 2). 15 Austr. 



Brachysiphon A. Juss. Penaeaceae. 5 S. Afr. 



Brachystegia Benth. Leguminosae (n. 3). 20 trop. Afr. 



Brachystelma R. Br. Asclepiadaceae (n. 3). 50 palaeotrop. B.Bingeri 

 A. Chev. has an ed. tuber. 



Brachystelmaria Schlechter. Asclepiad. (n. 3). 6 S. Afr. 



Brachystemma D. Don (Arenaria p.p. BH.). Caryoph. (i. i). 

 i Himal. 



Brachysteplianus Nees. Acanthaceae (iv. B). 10 trop. Afr., Matlag. 



Bracnythalamus Gilg. Thymelaeaceae. 2 New Guinea. 



Brachytome Hook. f. (Kandia p.p. EP.). Rubiaceae (i. 8). 2 In- 

 domal. 



Bracken, Pteridiuin aqnilinum (L.) Kuhn. 



Brackeniidgea A. Gray. Ochnaceae. 10 palaeotrop. 



Bract, the 1. in whose axil a fl. arises ; coloured-, Amherstia, Bougain- 

 villaea, Castilleja, Euphorbia, Sahna, &c. ; persistent-, forming 

 wings to fr., Bougainvillaea, Carpinus, Mirabilis, Spinada\ bract- 

 eate, bearing bracts ; bracteole, a bractlet, borne on same axis as 

 the fl. 



Bradburia Torr. et Gray. Compositae (3). 2 Texas, Mexico. 



Bradburya Rafin. (Centrosema Benth. Bff.}. Legu. (ill. 10). 30 Am. 



Bradleia Banks = Glochidion Forst. (Euph.). 



Bragantia Lour. (Apaina Lam. p.p.). Aristoloch. 5 Indomal. 



Brahea Mart. Palmae (i. 2). 4 Mexico, Texas. Decorative. 



Brainea J. Sm. Polypodiaceae. i E. As., B. insignis Sin., a dwarf 

 tree-fern. The primary veins branch and rejoin repeatedly, forming 

 small areas in the leaf; the veinlets run parallel and distinct. 



Brake, Pteridiwn aquilinum (L.) Kuhn ; curled rock-, Cryptogramme 

 crispa R. Br. 



Bramble, Rnbus. 



Branch, an outgrowth of r. or shoot which repeats its structure ; usu. 

 lat. (not dichotomous), exogenous in case of shoot, endogenous in r. 

 In many ferns the branches are on the 1. bases, but in Equisetum and 

 fl. plants are usu. axillary. Usu. only one in each axil ; if more than 

 one, the others are accessory ; if side by side, collateral, Allium, 

 Araceae, Crataegus, Liliaceae, Ahiscari, Quercus, Salix ; if one above 

 the other, serial, Aristolochia, Calycanthus, Cercis, Colletia, Fuchsia, 

 Gleditschia, Robinia, Syringa. Branches of two kinds long and 

 short shoots, or shoots of unlimited and limited growth occur in 

 Pinus and other Coniferae, Berberis, Cactaceae, Ginkgo, Spergula. 



Branching may be of two types monopodial, Punts and other 

 Coniferae, Orchidaceae, Paris, Pathos, or sympodial, Acorus, Aglao- 

 nema, Ancistrocladus, Anonaceae, Anthurium, Araceae, Asariim, 

 Eichhornia, Fagus, Iridaceae, Iris, Juncus, Liliaceae, Nartheciuin, 

 Orchidaceae, Peperomia, Pistia, Polygonatttin, Pontederiaceae, Pota- 

 mogeton, Ranunculus, Rhaphidophora, Ulmaceae, Vilis, Zostera. 

 And cf. Buds, Concrescence, &c. 



Branda (W. L), Chione glabra DC. 



Brandegea Cogn. Cucurbitaceae (4). 2 California. 



Brandesia Mart. = Telanthera R. Br. (Bff.) = Alternanthera Forsk. 



Brandisia Hook. f. et Thorns. Scrophular. (n. 4). 3 Burma, China, 



