658 PATAGONIAN EXPEDITIONS I BOTANY. 



i. MENODORA ROBUSTA (Benth.) A. Gray. 



Calyx 5-6 lobed, its lobes triangular, half as long as the tube. Corolla 

 campanulate or funnelform, lobes acutish. Filaments filiform, as long as 

 the corolla ; anthers muticous. Cells of fruit 2-seeded. 



Patagon., at Rawson. " A low, half-meter high, very dense, branching 

 and spinose, almost leafless weed ; with abundant bright yellow flowers." 

 (Dusen.) 



2. M. TRIFIDA Cham. & Schl. 



Leaves linear; trisect-pinnatifid or most of them entire; their margin 

 and the angles of the slender branches scabrid. Flowers rather rare, 

 capsule scarcely exceeding the height of the calyx, circumscissile. 



(Brazil; Argentina) ; N. Patagon.; near Rio Negro. 



Family 89. LOGANIACE.E. 



Herbs, shrubs or trees, with opposite, entire, stipulate leaves (or with a 

 stipular membrane or line) ; and 4-5-merous, sympetalous flowers, stamens 

 as many as and alternate with the corolla-lobes, epipetalous ; ovary supe- 

 rior, 2- (rarely 3-5-) celled; style i, stigmas distinct, or united below. 

 Seeds several ; with large endosperm. 



Species 400, chiefly in warm countries. 



KEY TO THE GENERA. 



1. Fruit a septicidal capsule. Cymes dense or globose. Plants stellately-tomentose. 



1. Buddleia, p. 658. 



2. Fruit a berry. Flowers large, solitary. Glabrous, with spiny-toothed leaves. 



2. Desfoiitainca, p. 659. 



i. BUDDLEIA Linn. (Buddlea.} 



Mostly stellate-tomentose trees or shrubs, with axillary or terminal cymes 

 or heads of 4-merous flowers. Capsule septicidally 2-val ved. 



Species 70, chiefly in S. Amer. ; some in S. Afr. and S. Asia. (Figs, in 

 Eng. & Prantl, iv, 2, p. 47.) 



i. B. GLOBOSA Lam. 



Shrub 3 m. high, rusty tomentose, with shortly petioled leaves, 8-10 

 cm. long, lanceolate to ovate-lanceolate, acute, crenulate, basally nar- 



