68 Britton : Cuban Plants New to Science 



glabrescent in age with the exception of the midvein ; legume 

 oblong, 4 cm. long, 1-1.2 cm. broad, pointed at both ends; seeds 

 ovate, 5 mm. long, 4-4.5 mm. broad. 



Among rocks along stream, vicinity of Camp San Benito, 

 Oriente (Shafer 4089) ; also collected at Moa, Baracoa (Roig 



43)- 



BEMBICIDIUM Rydberg, gen. nov. 



A low unarmed shrub. Leaves abruptly pinnate ; stipules 

 lanceolate, persistent; petiole and rachis broadly winged, the 

 wings discontinuous, the rachis slightly produced above the 

 uppermost leaflets ; leaflets entire, coriaceous without veins, the 

 midrib prominent beneath, obsolete above ; stipels obsolete. 

 Flowers solitary in the axils. Calyx turbinate, as broad as long, 

 with two broad, subequal, acute lips ; corolla purplish, with sub- 

 equal petals. Banner obovate, slightly retuse, gradually tapering 

 into the short broad claw. Wings and keel-petals equal in length 

 and shape, the blades obliquely oblanceolate, rounded at the 

 apex, slightly auricled at the base ; claws short, straight, the 

 blades of the keel-petals united at the middle only. Ovary slightly 

 stipitate, linear, many-ovuled ; style glabrous, bent inward at the 

 base, slightly arcuate, not hooked at the apex; stigma minute, 

 terminal. Fruit unknown. [Name Greek, a little top, from the 

 small top-shaped flower buds.] A monotypic genus. 



Bembicidium cubense Rydberg, sp. nov. 



A shrub 5-6 dm. tall, the branches and twigs clothed with 

 appressed, ferruginous hairs. Leaves equally pinnate, 0.7-2 cm. 

 long, short-petioled, glabrous, the rachis prominently winged ; 

 leaflets 2-6, oblong to elliptic or somewhat obovate, rounded at 

 the apex, often somewhat inequilaterally rounded at the base, 

 sessile, dark-green, wrinkled and veinless above, brownish be- 

 neath, the midvein rather prominent, the lateral veins indistinct ; 

 margin revolute ; corolla 1-3 cm. long ; blade of the standard 

 obovate ; wings oblanceolate ; keel-petals obanceolate, 1 cm. long. 



Mountain woods, vicinity of Baracoa, Oriente (Shafer 4284). 



Notodon cayensis Britton & Wilson, sp. nov. 



A shrub 1-2 m. tall, with grayish-brown, puberulent branches, 

 the young twigs pubescent with appressed, ferruginous hairs. 

 Leaves equally pinnate, I 1 .5 cm. long, short-petioled, glabrous, 

 the rachis narrowly winged; leaflets 2 or 4, obovate, 6-1 1 mm. 

 long, 2-4 mm. broad above the middle, rounded at the apex, 



