. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 5. Rhamnus Frangula L. Alder Buckthorn. Black Dogwood. Fig. 2827. Rhamnus Frangula L. Sp. PI. 193. 1753. A shrub, reaching a maximum height of about 8°, the young twigs finely and sparsely puberulent. Leaves thin, elliptic or obovate, entire or very ob- scurely crenulate, glabrous on both surfaces, obtuse or cuspidate at the apex, rounded or narrowed at the base, li'-aj' lo
. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 5. Rhamnus Frangula L. Alder Buckthorn. Black Dogwood. Fig. 2827. Rhamnus Frangula L. Sp. PI. 193. 1753. A shrub, reaching a maximum height of about 8°, the young twigs finely and sparsely puberulent. Leaves thin, elliptic or obovate, entire or very ob- scurely crenulate, glabrous on both surfaces, obtuse or cuspidate at the apex, rounded or narrowed at the base, li'-aj' long, I'-ii' wide; petioles 2"-4" long; umbels i-6-flow^ered, strictly sessile in the ; fiowers 5-merous, perfect; calyx nearly hemi- spheric, its lobes ovate, acute; fruiting pedicels 2"-5" long; fruit z'-a" in diameter, the 3 nutlets compressed, not grooved. In bogs, Long Island, northern New Jersey and On- tario. Naturalized from Europe. May-June. Black- alder. Berry-alder, .'\rro\v-wood. Persian-berry. 3. CEANOTHUS L. Sp. PI. 195. 1753. Shrubs, with alternate petioled leaves, and terminal or axillary corymbs or panicles of white blue or yellowish perfect flowers. Calyx-tube hemispheric, or top-shaped, the limb 5-lobed. Petals 5, hooded, clawed, longer than the calyx-lobes, inserted under the disk. Stamens 5; filaments filiform, elongated. Ovary immersed in the disk and adnate to it at the base, 3-lobed. Disk adnate to the calyx. Style short, 3-cleft. Fruit dry, 3-lobed, sepa- rating longitudinally at maturity into 3 nutlets. Seed-coat smooth; endosperm fleshy; cotyle- dons oval or obovate. [Name used by Theophrastus for some different plant.] of North America and northern Mexico. Type specii Cca â ovate-oblong ; peduncles long. )r oval-lanceolate ; peduncles short. Ceanothus americanus L. New Jersey Tea. Red-root. Fig. 28. Ccanothtis americanus L. Sp. PI. 195. 1753- Stems erect or ascending, branching, sev- eral commonly together from a deep
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
