This is a high-resolution digital download of Plate 4173 from Curtis's Botanical Magazine. The original illustration was hand-colored in the 1800s. This listing includes both the botanical image and its accompanying description tab.

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TAB. 4173

PHYLLÁRTHRON BOJERIANUM. Mr. Bojer's Phyllarthron.

Nat. Ord. BIGNONIACEE.-DIDYNAMIA GYMNOSPERMIA.

Generic Character PHYLLARTHRON, De Cand. ARTHROPHYLLUM,

Bojer, (non Blume). BIGNONIE Sp. Auct.-Calyx ovatus campanulatus, breviter et obtuse 5-dentatus. Corolla late infundibuliformis, lobis subro- tundis. Stamina (4, didynamia, inclusa, prope basin tubi inserta. An- there biloculares, loculis patentibus. Ovarium disco carnoso inserta bilo- cularis: Stylus inclusus: Stigma bilabiatum). Fructus siliquæformis, carnosus, indehiscens, plurilocularis. Semina non alata, verticaliter sita, pericarpio adfixa.-Frutices seu arbores ex insulis Africa Austr. orta. Folia opposita, rarius alterna, lomentacea, nempe petiolo articulato, arti- culis 2-4 late foliaceis, foliolis aut nullis aut paucis et parvis. Rami dichotomi. Racemi seu corymbi ex ultimis dichotomiis orti, foliis bre- viores, pluriflori. Flores pedicellati. Bracteæ sub pedicellis oblonga. DC. ancipitate, and almost winged, showing an approach to the winged petiole. The name Arthrophyllum being preoccupied by a plant of Blume, De Candolle changed the appellation to what we have here adopted. Our garden at Kew owes the possession of this rarity to that of Mauritius, where it has been introduced by M. Bojer, and long cultivated. It flowered with us in the month of August.

Botanical Description A small shrub, with a very peculiar appearance.

Branches compressed. Leaves none.. Petioles leaf-like, oppo- site, or alternate, biarticulate, the upper one nearly elliptical, more or less acute; the lower narrow, cuneate; both of them subcoriaceous, glabrous, penninerved, the nerves connected by a slender, intramarginal one; the younger foliage viscid. Raceme compound, axillary, few-flowered. Calyx small, campanulate, five-toothed. Corolla infundibuliform, rose- color, downy; the tube subcampanulate; the limb large," spreading, of five, blunt, wavy segments, with two yellow lines in the throat. Stamens four, didynamous, included. Anther- cells two, spreading. Ovary seated on a large, fleshy gland, two-celled, ovate. Style included. Stigma of two linear lobes. PHYLLARTHRON Bojerianum; ramis trigonis aut ancipitibus, petiolis arti- culatis junioribus viscosis, articulis 2 late marginatis, inferiore obovato- cuneato, super. elliptico utroque pinnatim venoso, ramulis pedunculis- que compressis, racemo terminali subcorymboso - trichotomo, calyce ovato-campanulato enervio subtruncato obtuse 5-dentato. DC. PHYLLARTHRON Bojerianum. De Cand. Prodr. 9. p. 243. ARTHROPHYLLUM Madagascariense. Bojer, Hort. Maurit. p. 221. (excl. Syn. BIGNONIA articulata. Desf. according to De Candolle).

Figures

Fig. 1. Stamens. 2. Calyx and Pistil. 3. Pistil. 4. Ovary cut through transversely-magnified. Quob- Senado. Jox) all Alfa ( abo 371800721 A remarkable Genus of Madagascar, and some neighbour- ing islands, allied to Colea, and named Arthrophyllum (from appos a joint, and quλov a leaf) by Bojer, under a belief that the leaves themselves were jointed, or at least that the solitary leaflet was articulated upon the leaf-stalk and such would appear at first sight to be the case with the present species, but another kind, P. Noronhianum, "est remarquable par ses feuilles plusieurs fois articuleés, comme celles du Nopal;' hence De Candolle is disposed to consider it an articulated petiole, without any leaf. I will not undertake to say, what is its true structure: but I may observe, that in my native specimen from M. Bojer, the older portion of the stem is • Thrifty Whiskers moil) so tedt feilod blow de Jadw rea avitair ai res o lo லூர்