1 29 t 



ARBORETUM AND FRUTICETUM. 



['ART 111. 



>4 ••■ Leaves spnthulate-linear. Ochreas lanceolate, shorter than the i 

 In branched racemes, whose rachises are thread-shaped. Styles distinct A 

 «MtM in Carolina. Introduced in lsio, and dowers in July and 

 August {Smnenq.) t. por^gamum Spr. differs from T. lanceolatuni 

 specially 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 CODRistS in the Mowers of the same plant being some bi- 

 sexual, some female. J'en/.) It is a shrub less than 1 ft. high. Its 

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

 hears in its upper part numerous slender ramified branches, that 

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

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

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

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

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

 of a delicate green colour. The Mowers 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 raehis of the 

 raceme bears ochreas. The pedicels have each a joint. ( I'ent. Celt.) 

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

 and <• the bisexual Mower. 



ntcrnodes. 

 native of 



Flowers 

 dry sandy 



T. pungens Rich., T. glducum Spr., T. grand/fidrum Bieb. 

 ribed by botanists, but not yet introduced. 



scribed 



are dc- 



Genus III. 



1163 



/ITRAPHA'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 trepho, to nourish ; in allusion to the fruit, 

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

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



m 1. A. spino n sa L. The spine-branched Atraphaxis. 



Identification. Lin. Hort. Cliff, 138. ; Mill. Diet, No. 1. ; L'Herit, Stirp. Nov., 1. p. 27. t. 14, } Willd. 



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

 Synont/me. .-/'triplex orientalis, frutex aculektus, fibre pulchro, Tourn. Cor., 83. 

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



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



Spec. Char., cfc. 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 j 1104, 



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. Brit.) 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 

 calyi ifl of 1 leaves that are imbricate in aestivation. 

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

 flexed. The 'i interior art- 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 

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

 disk that surrounds the base of the ovary. (Observation, and Willd. Sp. 



/'/., aii'l Watt. 1 )<,i<l. Hid.) Indigenous near the Caspian Sea, and in 



the Levant, and flowering in August. It was introduced in 1732, but 



re in collections. Then; is a fine plant iti the arboretum of Messrs. 



