. 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. 538 The Honey Locilsts The fruit is a leguminous pod, usually many-seeded, rarely i-seeded, elongated, straight, flattened, its walls hard and woody, dehiscent when old, usually pulpy between the seeds, which are transversely placed, obovate, compressed, borne on slender stalks, light brown, crustaceous; endosperm homy. The name is in commemoration of the German botanist, John Gottlieb Gle- ditsch, a friend and contempora
. 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. 538 The Honey Locilsts The fruit is a leguminous pod, usually many-seeded, rarely i-seeded, elongated, straight, flattened, its walls hard and woody, dehiscent when old, usually pulpy between the seeds, which are transversely placed, obovate, compressed, borne on slender stalks, light brown, crustaceous; endosperm homy. The name is in commemoration of the German botanist, John Gottlieb Gle- ditsch, a friend and contemporary of Linnaeus. G. triacanthos is the type species. Our species are: Pod oval or elliptic, i- or 2-seeded; ovary smooth. Pod linear or oblong-linear, many-seeded. Pod lo to 18 cm. long, not pulpy within. Pod 20 to 30 cm. long, pulpy within. 1. G. aquatica. 2. G. texana. 3. G. triacanthos. I. WATER LOCUST —Gleditsia aqnatica Marshall This rather handsome tree occurs in the coastal region from North Carolina to Florida, and extends westward to Indiana, Arkansas and Texas, forming con- siderable forests on rich lands of river valleys subject to overflow. Its maximum height is 20 meters, with a trunk diameter of dm. The trunk is often very short, dividing near the base into stout, rather crooked branches. The bark is about 4 mm. thick, dull gray to red-brown, shallowly fissured and broken into thin smooth plates. The twigs are smooth, yellowish brown, becoming gray or red-brown and shining. The spines are straight or slightly curved, with one or two short branches, dark reddish brown and shining, flat and ridged, very sharp, often 12 mm. wide at the base and 7 to 12 cm. long. The leaves are pirmate or bipin- nate, 10 to 20 cm. long; leaf-stalk slender, round and smooth, 3 to 4 cm. long; there are 6 to 12 pairs of leaflets on the pinnate leaves and 3 to 12 pairs on the pinnae of the bipiimate form; the leaflets are ovate to oblong or lanceolate, 2 to cm. long, bltmt or not
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