quun] 



€3)e EreajSuru of 3Sntaug. 



954 



forked at top, and crowning a four-celled 

 ovary. [A. A. B.] 



QUTTNA. Tropical American trees or 

 shrubs usually classed with the Clusiacece, 

 hut differing in having stipules accompany- 

 ing the opposite leaves, which are often 

 toothed, and in one species pinnatifld, 

 whilst in all other Guttiferm they are 

 simple and entire. The glossy blades are 

 three to twelve inches long by one to six 

 inches broad, marked with prominent pri- 

 mary veins running at right angles to the 

 midrib ; and the small yellow or white 

 flowers are disposed in raceme-like cymes 

 in the axils of the leaves. Each flower has 

 a calyx of four to five rounded sepals, four 

 to eight petals, numerous stamens, and a 

 two to four-celled ovary, which when ripe 

 is a small oblong berry. The pinnatifld"- 

 leaved species, Q. guianensis, was described; 

 by Aublet as a separate genus with the 



name Touroulia. 



[A. A. B.] 



RAAB. A kind of jaggery, or coarse 

 Indian sugar. 



RABANA. (Fr.) Sinapis arvensis. ' 



RABANNES. A kind of matting made 

 in Madagascar from coarse grass, or the 

 fibre of Baphia Buffia, and imported into 

 the Mauritius for covering floors, or wrap- 

 ping goods, &c. 



RABBIT-BERRY. Shepherdia argentea. 



RABBIT-ROOT. Aralia nudicaulis. 



RABELAISIA. This genus of Rutacece 

 commemorates the well-known French hu- 

 mourist, and consists of shrubs, natives of 

 the islands of the Malayan Archipelago. 

 The branches, inflorescence, and leafstalks 

 are covered with scales; the leaves are 'waxy 

 at the margins, on long stalks ; the flowers 

 are small dioecious— the males arranged in 

 small closely-packed heads on a branched 

 inflorescence, the females more closely 

 crowded on a very short spike. The calyx 

 and corolla have each three segments ; and 

 in the male flowers there are three sta- 

 mens, with globose anthers. The fruit is 

 triangular, three-celled, and opening par- 

 tially by three valves, each cell containing 

 a single seed. [M. T. MJ 



RABES. (Fr.) Carlina acaulis. 

 RABES, or RABETTE. (Fr.) Brassica 

 Napus. 



RABIOULE. (Fr.) Brassica Rapa. 



RABONE. Baphanus sativus. 



RACEME. An inflorescence in which 

 the flowers are arranged singly on distinct 

 pedicels, along a common axis. 



RACHIS. The divisions of the petiole 

 of the leaves of ferns; also the axis of 

 an inflorescence. 



RACHITIS. An abortion of the fruit or 

 seed— a disease. 



RACINE D'ABONDANCE. ^ (Fr.) A va- 

 riety of the Beet-root. — AMERE. Lewisia 

 rediviva. — D'AMERIQUE. Monsoniaame- 



ricana. — D'ARMENIE. Rubia. — DE 

 CHARCIS. Borstenia Contrayerva. — BE 

 CHINE. Smilax China. — DE COLOMBO. 

 Jateorhiza palmata. — DE DISETTE. The 

 same as Racine d'Abondance. — DE ME- 

 CHOACHAN. Batatas Jalapa. — DE PY- 

 RETHRE. Anacyclus Pyrethrum. — DE 

 SAINTE HELENE. Acorus Calamus. — 

 DE SANAGROEL. Aristolochia Serpent aria. 



— DE SERPENT. Ophiorrhiza. — DE 

 SERPENT A SONNETTES. Polygala Se- 

 nega. — DTJ BRESIL. Psychotria emetica. 



— DU DICTAME BLANC. Dictamnus 

 albus. — DU SAINT ESPRIT. Archan- 

 gelica officinalis. — SALIVAIRE. Anacy- 

 clus Pyrethrum. — VIERGE. Tamus com- 

 munis. 



.» RACLE. (Fr.) Cenchrus. 



RACOMITRITJM. A genus of acrocar- 

 pous, mosses belonging to the natural order 

 Grimmiei, resembling Grimmia, but looser 

 in habit, with a mitrseform veil variously 

 split at the base (from whence the name), 

 awl-shaped above, a straight awl-shaped 

 lid, and a single peristome with sixteen 

 twice or thrice-cleft teeth. The leaves are 

 either obtuse or hair-pointed. The species 

 arerathernumerous. R. lanuginosum forms 

 thick broad beds on the sides of mountains, 

 which are hoary from the long diaphanous 

 hair-like points of the leaves. Some other 

 species are common in subalpine countries, 

 but the genus scarcely exists in lowlands 

 except on sandy heaths and in wild exposed 

 stony places. [M. J. B.] 



RADAMyEA. A genus of Scrophularia- 

 cece, containing two small prostrate shrubs 

 from Madagascar, with opposite entire 

 scabrous leaves. The tube of the corolla is 

 slender ; and the four stamens with short 

 filaments are included. The short axillary 

 pedicels are furnished with two bracts 

 below the calyx. [W. C] 



RADE-KANE. An Indian name for Pa- 

 nicum miliaceum. 



RADIAIRE. (Fr.) Astrantia major. — , 

 PETITE. Astrantia minor. 



RADIAL. Growing on the circumfer- 

 ence of a circle. 



RADIATE. Diverging from a common 

 centre, like rays ; as the arms of an umbel, 

 or the ligulate florets of any composite. 



RADIATING, or RADIANS. Spread- 

 ing from a common point, or from the cir- 

 cumference of a circle : also forming ap- 

 parent rays in the circumference of a circle 

 by the enlargement of the exterior parts; 

 as the outer florets in the umbels of many 

 umbelliferous plants. 



RADICAL. Arising from the root, or 

 from its crown. 



RADICANS. Throwing out roots ; usu- 

 ally applied to stems or leaves. 

 RADICATE. Having a root. 



RADICATIO. The manner in which roots 

 grow, or are arranged. 



