1294. 



ARBORETUM AND FRUTICETUM. 



PART 111. 



Spec. Char., $c. Leaves spathulate-linear. Ochreas lanceolate, shorter than the internodes. Flowers 



in branched racemes, whose rachises are thread-shaped. Styles distinct. A native of dry sandv 



wastes in Carolina. Introduced in 1810, and flowers in July and 



August. (Spreng.) T. polygamum Spr. differs from T. lanceolktum 



Bieb., especially in the following points: stem very much branched; 



leaf spathulate ; sexes polygamous; sepals expanded during the 



flowering ; and ochreas entire at the top. The polygamous condition 



of the sexes consists in the flowers of the same plant being some bi- 



sexual, some female. (Vent.) It is a shrub less than 1 ft. high. Its 



stem is upright, of the thickness of a raven's quill, cylindrical, and 



bears in its upper part numerous slender ramified branches, that 



are disposed so as to form a bushy head. The stem, branches, and 



branchlets are of a brown colour, and all bear ochreas of this colour, 



and that are striated, membranous at the tip, truncate on one side, 

 and end lanceolately on the other. The leaves are spathulate, reflexed, 

 glabrous, less than half an inch long, a fourth of their length broau, and 

 of a delicate green colour. The flowers are small, of a greenish white 

 colour, disposed in racemes that are axillary and terminal ; and they 

 together give the appearance of a globose panicle. The rachis of the 

 raceme bears ochreas. The pedicels have each a joint (I'ent. Ce/s.) 

 \Ve have not seen the plant. In fig. 1163. a is a stamen, b the pistil, 

 and c the bisexual flower. 



T. pungens Bieb., T. gfducum Spr, T. grandifldrum Bieb., are de- 

 scribed by botanists, but not yet introduced. 



GENUS III. 



1163 



^TRAPHA'XIS L. THE ATRAPHAXIS. Lin. Syst. Hexandria Digynia, 



Identification. Schreb. Lin. Gen., No. 612. ; Willd. Sp. PL, 2. p. 248. 



Derivation. According to some from a privative, and trcpho, to nourish ; in allusion to the fruit, 

 which, though in form like that of the buck wheat, is unfit for food ; according to others, para to 

 athroos auxein, from its coming up quickly from seed, viz. on the eighth day. 



-** 1. A. SPINO^SA L. The spine-branched Atraphaxis. 



Identification. Lin. Hort. Cliff., 138. ; Mill. Diet., No. 1. ; L'H^rit. Stirp. Nov., 1. p. 27. 1. 14. j Wllld. 



Sp. PI., 2. p. 248. ; Wats. Dend. Brit., 1. 119. 



Svnonymc. ^'triplex orientalis, frutex aculeatus, fibre pulchro, Tourn. Cor., 83. 

 Engravings. L'Herit. Stirp. Nov., 1. t. 14. ; Buxb. Cent., 1. t. 30. ; Dill. Kith., t 40. f. 47. ; Wats. 



Dend. Brit, t. 119.; and our fig. 1164. 



Spec. Char., $c. Some of its branches resemble spines, and this character 

 distinguishes it from the other species, A. undulata, and is implied in the 

 epithet spinosa. In the following description, most of its characters are 

 noted: A shrub, of about 2ft. high, upright, with ' i 



most of the branches directed upwards, but with some 

 horizontal, and some a little deflexed. The horizontal 

 and deflexed ones are the shorter, and, when leafless, 

 have the appearance of spines. Watson has attributed 

 (Dend. BritS) this to their tips being dead: and the 

 case seems to be so. The bark of the year is whitish ; 

 that of older parts is brown. The foliage is glaucous. 

 The flowers are white. The leaves are about half an 

 inch long, many less. The disk ovate-acute; the pe- 

 tiole short. The flowers are borne a few together 

 about the tips of shoots of the year ; each is situate 

 upon a slender pedicel, that has a joint about or below < 

 the middle, and arises from the axil of a bractea. The 

 calyx is of 4 leaves that are imbricate in aestivation. 

 The 2 exterior are smaller, opposite, and become re- 

 flexed. The 2 interior are opposite, petal-like, hori- 

 zontal during the flowering, afterwards approximate to the ovary, which 

 is flat, and has one of the approximate sepals against each of its flat 

 sides. Stigmas 2, capitate. Stamens connate at the base, into a short 



is rare in collections. There is a fine plant in the arboretum of Messrs. 



