. North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies . Trees. 422 The Mountain Mahoganies deciduous stipules. Flowers perfect, solitary, or in axillary or terminal clusters; the calyx-tube is long-cylindric, abruptly widened at the throat and s-lobed, lobes spreading and deciduous, the tube persistent in fruit; there is no corolla; the stamens, of which there are 15 to 20, are in several rows on the lobes of the ca- lyx, their filaments very short; anthers large and often hairy; pis
. North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies . Trees. 422 The Mountain Mahoganies deciduous stipules. Flowers perfect, solitary, or in axillary or terminal clusters; the calyx-tube is long-cylindric, abruptly widened at the throat and s-lobed, lobes spreading and deciduous, the tube persistent in fruit; there is no corolla; the stamens, of which there are 15 to 20, are in several rows on the lobes of the ca- lyx, their filaments very short; anthers large and often hairy; pistil included in the calyx-tube, i-carpeled, the style long, thread-like, and very hairy, terminated by a minute blunt stigma. The fruit is a dry, leathery, angular or ridged linear nutlet, enclosed in the persistent calyx-tube and terminated by the enlarged plu- mose style; the single seed is linear, pointed, and without endosperm. The wood of all the species is of a reddish brown color, very hard, compact, and heavy. The name Cercocarpus is from the Greek, meaning tailed-fruit. The tj^ species is C. joihergUloides H. B. K., of Mexico. The arborescent species of our area are: Leaves dentate or serrate, at least toward the apex, or rarely entire. Leaves prominently dentate. Leaves glabrous or whitish-pubescent beneath. 1. C. betuloides. Leaves densely woolly beneath. 2. C. Traskia. Leaves dentate toward the apex or entire, obovate. 3. C. breiriflorus. Leaves entire, their margins revolute. 4. C. ledifolius. I. SCENTED MOUNTAIN MAHOGANY — CercocaipiiB betoloides Nuttall Although usually a shrub this frequently becomes a tree with maximum height of 9 meters, and a trunk diameter of dm. It occurs in the mountains from southern Oregon to Lower California, and has been confused with the shrubby C. parvijolius Nuttall. The branches are spreading or some- what pendent. The bark is very thin, sep- arating into irregular scales or flakes, which fall away in the autumn. The leaves a
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