Voi,. II.] PEA FAMILY. 



2. Robinia viscosa Vent. Clammy Locust. (Fig. 2122.) 



295 



3. Robinia hispida L,. Rose Acacia. 



Bristly or Moss Locust. 



(Fig. 2123.) 



Robinia hispida L,. Mant. 101. 1767. 



A much-branched shrub, 3-9 high. 

 Twigs, petioles, pedicels and rachises of the 

 leaves bristly; stipules very small, or none; 

 leaflets 9-13, stalked, broadly ovate or ob- 

 long, entire, mainly obtuse or rounded at 

 each end, mucronate, i'-2' long; stipels none 

 or subulate; racemes loose; pedicels $"-(>" 

 long; flowers pink or purple, 8 // -i5 // ' long, 

 not fragrant; pods linear, bristly-hispid. 



Mountains of Virginia to Georgia, 

 tivated for ornament. May-June. 



Often cul- 



Robinia viscosa Vent. Hort. Cels, pi. 4. 1800. 



A small tree, with rough bark, maximum 

 height about 40 and trunk diameter 10'. 

 Twigs and petioles glandular-pubescent; 

 stipules short, sometimes spiny; leaflets u- 

 25, stalked, obtuse and mucronate at the 

 apex, mostly rounded at the base, ovate or 

 oval, nearly glabrous, i / -2 / long, thicker 

 than those of the preceding species; stipels 

 small, subulate; racemes rather dense, often 

 erect; pedicels 2 // -4 // long; flowers pinkish, 

 9 // -i2 // long, not fragrant; pod 2 / -4 / long, 

 about 6" wide, glandular-hispid. 



Mountains of southwestern Virginia to Geor- 

 gia. Occasionally escaped from cultivation in 

 the Middle and Eastern States and in Canada. 

 Wood brown, the sap-wood yellow; weight per 

 cubic foot solbs. June. 



22. SESBAN Adans. Fam. PI. 2: 327. 

 [SESBANIA Scop. Introd. 308. 1777.] 



1763. 



Herbs or shrubs, with evenly pinnate leaves, the leaflets numerous, entire, not stipel- 

 late, or the stipels minute. Flowers yellow, reddish, purplish or white, in axillary racemes, 

 the slender pedicels with 2 deciduous bractlets under the calyx. Calyx campanulate, nearly 

 equally 5-toothed. Standard broad, ovate or orbicular; wings oblong, falcate; keel blunt. 

 Stamens diadelphous (9 and i). Ovary mostly stipitate, many-ovuled; style glabrous; 

 stigma small. Pod elongated-linear, wingless, compressed, partitioned between the oblong 

 seeds. [Name Arabic.] 



About 15 species, natives of warm and tropical regions, only the following one known in North 

 America. 



