1590

ARBORETUM AND FRUTICETUM.

PART III.

showing parallel veins, and being less shining. Introduced in 1823. Thereare plants at Wobnrn, Henfield, and Flitwick.

.n 158. S. U'va-u'rsi Pursh. The Bearberry-featterf Willow.

Identification. Pursh FI. Amer. Sept., 2. p. 610.; Smith in Rees’s Cyclo., No. 77.; Forbes in Sal.Wob., No. 151.

Synonymes. ? Identical with S. Kitaib elidna. {Borrer in his list.) It is probable that S. U'va-Yirsiis only a variety of S. rethsa L. {Id.)

The Sexes. The female is noticed in the Spec. Char., fyc., below.

Engravings. Sal. Wob., No. 151.; and our fig. 151. in p. 1630.

Spec. Char., Sfc. Stem depressed. Leaves spathulate-obovate, obtuseentire, glabrous ; shining above, glandular at the margin beneath. Stipulesnone. Catkins lax. Bracteas oblong, fringed. Ovary stalked, ovate,glabrous. Style deeply divided. Stigmas two-lobed. A beautiful littlespecies, with all the appearance of Actostaphylos U'va-ursi in habit, as wellas in the form of its leaves. {Pursh.') A native of Labrador. Introducedin ? 1811, and flowering in April and May. This was possessed alive byMr. G. Anderson.

_* 159. 5. serpyllifo'lia Scop. The Wild-Thyme-leaved Willow.

Identification. Scop. Cam., No. 1207.; Willd. Sp. PI., 4. p, 684.; Hayne Abbild., p.325.; Smith inRees’s Cyclo., No. 71.; Forbes in Sal. Wob., No. 65.

Synonymes. S. retitsa Koch, y Koch Comm., p. 63. Jt is probable that S. serpyllifblia Scop, is only avariety ofS. rethsa L. {Borrer in bis list.)

The Sexes. The male is figured in Sal. Wob., the female in Hayne Abbild.

Engravings. Scop. Carn., t. 61. “Seopoli’s figure throws no great light on the ” species. {Smith inRees's Cyclo.) Sal. Wob., No. 65. ; our figs. 1347, 1348.; and fig. 65. in p. 1616.

Spec. Char., Sfc. Leaves ovate, or ovate-lanceolate, acute, entire,glabrous, shining above. Catkins oblong, of few flowers. Cap-sules elliptic, glabrous. Stigmas sessile. {Smith inRees’s Cyclo.) A native of the high mountains ofFrance, Italy, and Switzerland; flowering in May.

Introduced in 1818. Haller, Allioni, Villars, andother botanists, took this for a variety of S. retiisa;but it appears to be widely different, the leaves being nearlythree times smaller, and always acute. A very curious little plant, only1 in. or 2 in. high, of which there are specimens at Henfield, in the ChelseaBotanic Garden, and in the arboretum of Messrs. Loddiges.

1347

1348

jc 160. S. cordifo'lia Pursh. The heart-leaved Labrador Willow.

Identification. Pursh FI. Amer. Sept., 2. p.611.; Smith in Rees’s Cyclo., No.72.: Forbes in Sal.Wob., No. 143. p. 277.

Engravings. Sal. Wob., No. 143., a leaf; and fig. 143. in p. 1630.

Spec. Char., &c. Stem depressed. Leaves oval, rather acute, entire, reticulated with veins, heart-shaped at the base; glabrous above, pale, with a hairy rib and margin beneath. Stipules half-heart.shaped. Native of Labrador. In general habit it resembles S. itfyrsinltes. {Pursh.) Anative of North America, in Labrador. Introduced in 1811, and flowering from April till June.Koch observes of this species, that it is very similar to S. WaldsteimYma Willd., and differs onlyin the leaves being strictly entire. The leaves, when young, are sprinkled with villose hairs, butsoon become glabrous, except at the edge.

Group xxii. Herbacea Borrer.

Very low Shrubs, scarcely rising an Inch above the Ground.

There are only two species in this group, the characteristics of which will befound in their specific characters.

a* 161. S. herba'cea L. The herbaceous-/oo/cmg Willow.

Identification. Lin. Sp. PI., 2415.; Willd. Sp. Pi., 4. p. 682.; Havne Abbild., p. 233. ; Smith inRees’s Cyclo., No. 66.; Koch Comm., p. 63.; Smith Eng. Bot.,' 1.1907. ; Eng. FI., 4. p. 199.;Forbes in Sal. Wob., No. 63. ; Hook. Br. FI., ed. 3.; Mackay FI. Hibern., pt.l. p.253.; HostSal. Austr., 1. p. 32.; Pursh FI. Amer. Sept.. 2. p. 617.

The Sexes. Both sexes are described in Eng. FI., and figured in Sal. Wob., Hayne Abbild., and