145 



Qfyz CrcaSurj) of 23ntang. 



[bisc 



BIXATO-PINNATE. The same as Bipin- 

 nate. 



BINDWEED. The common name for 

 Convolvulus, especially C. arvensis ; also 

 applied to Smilax aspera. — , BLACK. 

 Polygonum Convolvulus. 



BINDWITH. A name applied to Cle- 

 matis. 



BINI. Two together ; twin. 



BINTFLORUS. Bearing flowers in pairs ; 

 a term seldom used. 



BINODAL. Consisting of two nodes or 

 articulations, and no more. 



BIOTA. A generic name proposed for 

 the Thuja orientalis and T. pendula, which 

 differ from the T. occidentalis and other 

 American species in not having wings to 

 the seeds. The genus is not, however, 

 I generally adopted. 



BIOTIA. Formerly considered as a dis- 

 tinct genus from that of the Michaelmas 

 daisy (Aster), hut now united with it. 

 The species are perennial herbs, one to 

 three feet high, their root leaves large, on 

 long stalks, and heart-shaped in form; 

 those of the stem, ovate or oblong and 

 narrowed towards the base into a winged 

 footstalk; their flower-heads arranged in 

 terminal corymbs, and very like those of 

 the asters. The species are found in 

 Canada, and the United States, and one 

 occurs in Manchuria. [A. A. B.] 



BIPALEOLATE. Consisting of two 

 small scales or palese, as in grasses. 



BIPARTITE. Divided nearly to the 

 base into two parts. 



BIPEXTAPHYLLOUS. Having from 

 two to five leaflets. 



BIPES. Same as Bicruris. 



BIPIXNATE, BIPINNATISECTED. 

 "When the primary and secondary divisions 

 of a leaf are pinnated. 



BIPINNATIFID, BIPINNATIPARTED. 



When both the primary and secondary 

 segments of a leaf are pinnatifld. 



BIPIXN ATIP ARTITO -LACINIATE. 

 Being bipinnatifld with the divisions laci- 

 niated. 



BIPINNULA. A small genus of terres- 

 trial orchids related to Arethusa, with 

 fleshy fascicled roots, consisting of little 

 except starch and gum. The flowers are 

 large, racemose, greenish-yellow, and most 

 remarkable for having the lateral sepals 

 broken up into tufts of exquisitelybeautiful 

 fringes. Two species occur in Chili, and 

 one in the Argentine States, near Buenos 

 Ayres. 



BIPLICATE. 

 plaits. 



BIPOROSE. 

 holes. 



Having two folds or 

 Opening by two round 



BIRADIATE. Consisting of two or 

 more rays as in certain umbels. 



BIRCH. The common name for Betula 

 — , WEST INDIAN. . Bursera gummifera. 



BIRCH CAMPHOR. A resinous sub- 

 stance obtained from the bark of the 

 black Birch, Betula nigra. 



BIRCHWORTS. A name given by 

 Lindley to the betulaceous order. 



BIRDLIME. A preparation of the bark 

 of the Holly, Hex Aquifolium ; also obtained 

 from the viscid berries of the Mistletoe, 

 Viscum album. 



BIRD-PLANT, MEXICAN. Heterotoma 

 lobelioides. 



BIRD'S-BILL. Trigonella ornithorhyn- 

 chus. 



BIRD'S-EYE. Adonis autumnalis. — , 

 AMERICAN. Primula pusilla. 



BIRD'S-FOOT. The common name for 

 Ornithopus, sometimes called Bird's-foot 

 Vetch; also applied to Euphorbia Orni- 

 thopus. #■ 



BIRD'S-HEAD. The common name for 



Ornithoceplialus. 



BIRD'S-NEST. Neottia Nidus-avis ; also 

 applied to Thamnopteris ovAsplenium Nidus. 

 — , YELLOW. Monotropa Hypopitys. 



BIRD'S-NEST PEZIZA. The common 

 name for the species of Cyathus and 

 Nidularia. 



BIRD'S-TONGUE. The common name 

 for Omithoglossum ; also applied to Senecio 

 paludosus. 



BIRIMOSE. Opening by two slits, as 

 most anthers. 



BIRTHROOT. An American name for 

 Trillium erectum. 



BIRTHWORT. The common name for 

 Aristolochia. 



BISAILLE. (Fr.) Pisum arvense . 



BISCUIT ROOTS. A name given in 

 Oregon to the tuberous roots of some 

 umbelliferous plants allied'to Ferula. 



BISCUTELLA. A genus of herbs be- 

 longing to the Cruciferce, natives of central 

 Europe, the Mediterranean region, and 

 central Asia. Often hispid, with erect rigid 

 stems, frequently corymbosely branched 

 at the summit ; leaves oblong, entire, or 

 pinnatifld, very variable in this respect 

 even within the limits of a single species ; 

 racemes short, elongated in fruit ; flowers 

 rather small, yellow ; pouch flattened, with 

 the partition narrow and the valves orbi- 

 cular, flattened and winged, breaking away 

 from the axis when the seeds are ripe; 

 seeds one in each valve, and contained in it 

 when they fall off. B. laevigata is a common 

 subalpine plant of central Europe, &c, very 

 variable in appearance, and remarkable 

 for its curiously-shaped seed-vessels, which 

 are notched both at the base and apex. 

 Some of the species have them notched only 

 at the base. [J. T. S.] 



