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ARBORETUM AND FRUTICETUM.

PART III.

that of the Faecinium Myrsinites; and it may be supposed that this cha-racter obtains more or less in all the kinds of the group.

j* 153. .S', Jl/v hmm'tiis L . The Whortleberry-femied Willow.

Identification. Lin., cited by Borrer in Eng. Bot. Suppl., t. 2753., the text; FI. Dan., 1.1054. (Smith.)Synonymes. S. Myrsinites /S, Smith Eng. Ft., 4. p. 195., Hook. Br. Ft., ed. 2., p. 429.; S. «rbutifbliaWitld. Sp. PI. , 4. p. 682.; probably S. Macnabzdn<i Macgiliivray in Jameson’s Edinb. Phil. Jour.,Oct. 1830. (The above indicated by Borrer.) S. Myrsinites Koch, part of, Koch Comm., p. 60.:S. nrbutifblia Willd., Smith in Rees's Cyclo., No. 67.; S. diibia Suter Helv., p.283. (Willd.)

The Sexes. It is implied in the Spec. Char., S(c., that the female is known.

Engraving. FI. Dan., 1.1054. (Smith.)

Spec. Char., #c. This has, like S. ietulifolia, short catkins, anddistinctly serrated leaves; but these are more acute, and of anovate-lanceolate figure; and the long style seems to afford a dis-tinctive character. (Borrer in Eng. Bot. Suppl., t. 2753., in thetext.) It occurs on various Scottish mountains. (Id.) Wahlenbergcompares the stems and leaves to those of .Betula nana, from theglossy greenness of the latter, their prominent veins, and theirremaining on the shoots in a withered state till the following year.The whole plant is very dark, and almost black when dry. (Hook.Br. FI.)

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j, 154. S. jSetui.ifo'lia Forster. The dwarf Birch-leaved Willow.

Identification. Forster MS., cited by Borrer in Eng. Bot. Suppl., t. 2753., in the text.

Synonymes. S. Myrsinites Smith Eng. Bot., 1.1360., exclusively of the references to Hoffmann ( Smithin Eng. FI.), Eng. FI., 4. p. 295., exclusively of the var. /3, Forbes in Sal. Wob., No. 60., Hook.Br. Ft., ed. 2., p. 429., exclusively of the var. /3, not of Linn. ( Borrer ) j S. Myrsinites Koch, partof, Koch Comm., p. 60.

The Sexes. The female is described in Eng. FI., and figured in Eng. Bot. and Sal. Wob.

Engravings. Eng. Bot., 1.1360.; Smith in Eng. FI. has quoted, besides, Lin. FI. Lapp., t. 7. f. 6. t. 8.f. / ; and Villars Dauph., 3.150. f. 12.; but has designated this as ** bad : ” Sal. Wob., No. 60. jour fig. 1345. j and fig. 60. in p. 1615.

Spec. Char., §c. It differs from S. procumbens by its smaller, rounder, moreconspicuously serrated leaves; shorter, almost ovate, catkins; shorter,more truncate, and paler bracteas (scales); and more distinctly quadrangularovary. From the remarkable prima facie resemblance of its leavesto those of Betula nana, Mr. Forster has suggested for it thename of Jetulifolia. ( Borrer in Eng. Bot. Suppl.) Mr. Borrerregards it as not certain that this kind is a native of Britain ; andthe question resting on whether the kind found by Dr. Stuart inthe mountains of Glencoe is identical with S. .Myrsinites of Eng.

Bot., or with S. procumbens Eng. Bot, Suppl., he has statedthat, to ascertain this, it would be necessary to inspect the specimens ofthe kind found by Stuart, preserved in Lightfoot’s herbarium. If the kindprove not British, Mr. Borrer does not know its source. Cultivated inthe willow garden at Woburn Abbey, it has flowered in May, and again inAugust. A sturdy, upright, bushy shrub, 1 ft. to 2 ft. high, with abun-dance of short, leafy, dark purplish branches, hairy when young, not downy.Leaves very different from those of all the foregoing species, except S.malifolia, in their rigid, thin, crackling, veiny texture; without anythingglaucous or cottony about them, the fine hairs on the younger ones beingscattered and silky. ( Smith Eng. FI.) Pursh has included in his Flor.Ainer. Sept., ii. p. 617., a North American kind of willow, named S. Myr-sinites : ? is this the same as either of the above.

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155. S. procu'mbens Forbes. The procumbent Willow.

Identification. Forbes in Sal. Wob., No. 61., exclusively of the synonymes. The figure is not a cha-racteristic one. ( Borrer in Eng. Bot. Suppl., t. 2753.) Hook. Br. FI., ed. 2., p. 429.; Borrer in Eng.Bot. Suppl., t. 2753.

Synonymes. S. las'vis Hook. Br. Ft., ed. 1., p. 432.; S. retttsa Wither. Bot. Arr., ed. 4., 2. p. 49., anda figure.

The Sexes. The female is described and figured in Eng. Bot. Suppl. and Sal. Wob. The male planthas not come under our notice. {Borrer.)

Engravings. Wither. Bot. Arr., ed. 4., vol. 2.; Sal. Wob., No. 61., the figure not a characteristicone; Eng. Bot. Suppl., t. 2753.; and our jig. 61. in p. 1615.

Spec. Char., Sfc. Branches diverging. Leaves oval, minutely serrated, re-curved, bright green and shining on both surfaces. Catkins elongated,