398 LEGUMINOS^. Gleditschia. 



ovate, acuminate, petiolulaie. Flowers in long axillaiy racemes, greenish 

 white. 



G. Canadensis (Lam. 1. c.)—Mich.v.! fl. 2. ;?. 241, t. 51 ,- Pursh, fl. 1. 

 p. 304 ,- Michx. f. sylv. 1. 1. 50 ; DC. ! irrodr. 2. j)- 480. Guilandina dioica, 

 Linn.! spec. l.jf^. 381. 



In woods along the banks of rivers and lakes, Canada and Western 

 New York ! to Kentucky ! and Tennessee. West to the Canadian River, Dr. 

 James! May-June. — Tree 50-80 feet high. Leaves about 1-3 feet long: 

 pinnae 4-7; the lowest a single pair of leaflets, the others 7-1 3-foliol ate ; 

 leaflets mostly alternate. Legumes 6-10 inches long,nearly 2 inches wide. — 

 Coffee-tree. 



59. GLEDITSCHIA. Linn.; Lam. ill. t. 857; DC.prodr. 2.j??. 479. 



Flowers polygamous. Sepals 3-4-5, equal, united at the base. Petals 

 as many as the sepals, or fewer by the abortion of one or two, or by the 

 union of the two lower ones. Stamens as many as the sepals and opposite 

 them, or by abortion fewer. Style short : stigma pubescent. Legume 

 stipitate, continuous, often intercepted internally between the seeds, dry or 

 with a quantity of sweet pulp surrounding the seeds. Seeds oval : testa 

 hard, crustaceous. Embryo yellowish, surrounded with a small quantity of 

 albumen : cotyledons flat. — Trees ; the supra-axillary branchlets often con- 

 verted into simple or branched spines. Leaves abruptly jjinnate or bipin- 

 nate (often on the same tree) ; the leaflets somewhat serrate ! Flowers 

 small, greenish, spicate. The terminal flowers sometimes produce two 

 united ovaries, ex DC. 



1. G. triacanfJios (Linn.) : spines stout, mostly triple or compound ; leaf- 

 lets lancolate-oblong ; legumes linear-oblong. Hat, much elongated, some- 

 what falcate, many-seeded ; the intervals filled with a sweet pulp. — Linn. ! 

 sp. 2. p. 1056 ; Michx. ! fl. 2. p. 257 ; Duham. arb. {ed. nov.) 4. t. 25 ; 

 Michx. f. sylv. 2. t. 79 ; Willd.! sp. A. p. 1097 ; Pursh, fl. I. p. 221 ; Ell. 

 sJc. 2. p. 709 ; DC. ! I. c. 



/?. inermis (Pursh, 1. c.) : stem unarmed, the branches nearly so. — DC. 

 mem. Leg. t. 22, /. 109. 



y. ? brachyccoyos (Michx. 1. c.) : spines short ; legumes oblong, much 

 shorter (3-5 inches). — G. brachycarpa, Pursh, I. c. ; DC. I. c. 



In rich soil, Pennsylvania! to Georgia and Louisiana; common also in 

 cultivation. July. — A large tree ; the trunk sometimes attaining the diameter 

 of 3 to 4 feet. Legumes 12-18 inches long, somewhat twisted. Wood 

 hard, but less valuable than that of the Flowermg or True Locust. — De 

 CandoUe has noticed a monstrous state of this species, in which all the leaf- 

 lets ai-e confluent. — Honey-Locust. Sioeet Locust, 



2. G.monosperma (Walt.) : spines slender and few, sometimes 3-parted; 

 leaflets ovate-oblong; legumes broadly oval, oblique, flat, destitute of pulp, 

 1-seeded.— TToiL Car. p. 2bA ; Michx. ! fl. I. c. ; Willd.! I.e.; Pursh, 

 I. c. ; Michx. f. sylv. 2. t. 80 ; Ell. I. c. ; DC. I. c. G. Carolinieusls, Layn. 

 diet. 2. p. 46i. G. triacantha, Grertn. fr. t. 146. 



In swamps, S. Carolina ! and Florida to Louisiana ! and Texas ! Also in 

 Illinois, ex F. A. Michaux. July. — A small tree ; the wood of little value. 

 Legumes li-2 inches in length, and an inch in width, on a long stipe. — 

 Water-Locust. 



