278 
BUNGE A 
Bungea C. A. Mey. Scrophulariaceae (ill. 12). 3 sp. As. Min. to 
China. 
Bunias (Tourn.) Linn. Cruciferae (iv. 19). 5 sp. Medit., As. In 
some sp. the fruit is provided with hooks. 
Bunium Linn. = Carum Linn, and Conopodium Koch (in part). 
Buphane Herb. Amaryllidaceae (1). 2 sp. S. and trop. Afr. 
Buphthalmum Linn. Compositae (iv). 4 sp. Eur., As. minor. 
Bupleurum (Tourn.) Linn. Umbelliferae (5). 90 sp. Eur., As., Afr., 
N. Am. 4 Brit. sp. (buplever or hare’s ear), of which B. rotundifolium 
L. is most common ; it has perfoliate leaves, whence the name throw- 
wax (thorow-wax) by which it is sometimes known. All sp. have 
entire leaves, an unusual thing in this order. 
Burbidgea Hook. f. Zingiberaceae. 1 sp. Borneo (p. 148). The corolla 
segments are large, the lateral staminodes absent. The small labellum 
and petaloid sta. stand up in the centre of the flr. 
Burchellia R. Br. Rubiaceae (8). 1 sp. Cape Col. 
Burlingtonia Lindl. = Rodriguezia Ruiz et Pav. 
Burmannia Linn. Burmanniaceae. 30 sp. trop. 
Burmanniaceae. Monocotyledons (Microspermae). A small order of 
tropical forest plants, chiefly “colourless” saprophytes. Chief genera: 
Burmannia, Thismia. (See Nat. PJl., and Ann. of Bot. 1895.) 
Burmeistera Karst, et Triana. Campanulaceae (ill). 10 sp. trop. 
S. Am. 
Burnettia Lindl. Orchidaceae (4). 1 sp. Tasmania. 
Burrielia DC. Compositae (vi). 1 sp. Calif. 
Bursa Wigg. = Capsella Medic. 
Bursaria Cav. Pittosporaceae. 1 sp. Austr. 
Bursera ‘ Jacq. 5 ex Linn. Burseraceae. 45 sp. trop. Am. B. gurnmifera 
L. (birch tree, gommier, turpentine tree) furnishes the balsam resin 
known as American elemi, chibou, cachibou, or gomart. 
Burseraceae. Dicotyledons (Archichl. Geraniales). 13 gen. with 300 
sp. trop. Shrubs and trees with alt., usually compound, dotted 
leaves. Balsams and resins occur, in lysigenous or schizogenous 
passages. Firs, small, generally unisexual, with disc like Rutaceae, 
5- or 4-merous, obdiplostemonous when both whorls of sta. are 
present. Cpls (5 — 3). Ovules usually 2 in each. Ovary multiloc. 
with one style. Drupe or capsule. Seed exalbuminous. Many of 
the order are useful on account of their resins, &c. 
Chief genera: Commiphora, Boswellia, Bursera, Canarium. 
[Placed by Benth.-Hook. in Geraniales, by Warming in Terebinthinae.] 
Burtonia R. Br. Leguminosae (ill. 2). 8 sp. Austr. 
Butea Koen. ex Roxb. Leguminosae (in. 10). 4 sp. Ind., China. 
B. frondosa Roxb. is the dhak or palas tree of Bengal, or bastard 
teak, one of the handsomest of trees when in flower. A red juice 
flows from incisions in the bark ; when dried it is known as Bengal 
kino and used as an astringent. The flrs. yield a fugitive orange-red 
dye. The tree also yields lac (see Ficus). 
