MACLOSKIE I AIZOACE/E. 377 



i. BOUGAINVILLAEA PATAGONICA Decne. 



Shrubs, with stout branches, unarmed and not well clothed by the fas- 

 cicles of rather short, oblong-spatulate, subacute leaves. Flowers arising 

 from 3 large bracts, larger and broader than the leaves. Perigonial tube 

 long, slightly enlarged upwards, and with a 5-lobed spreading limb. 

 Stamens 6, hypogynous. Ovary long, ovoid, with simple, sublateral 

 style. 



Patagon. 



2. B. SPINOSA ( Tricycle spinosa Cav.) Eng. & Prantl. 



Spinous shrub, 3 meters high, with reddish branches, the spines at 

 length forking apically. Leaves fasciculate on short branches, only 8 

 mm. long, linear-spatulate, coriaceous, glabrous. Flowers i cm. long, i 

 or few at the nodes, pendulous, with 3 puberulous ovate-cordate bracts. 

 Perianth with long, greenish tube, yellow limb, and 5 emarginate lobes. 

 Stamens 5-6, unequal. Ovary fusiform with lateral style. 



(Chili ; Argentina) ; Patagon., near mouth of Rio Chubut. (Dusen.) 



In dry places along Rio Negro. 



Family 35. AIZOACE^E (Ficoidece). Carpet-weed Family. 



Prostrate, branching herbs or undershrubs, with mostly fleshy leaves, 

 often scariously stipulate ; and small, regular flowers, having a 4~5~partite 

 calyx, and petals small or none. Stamens 4-5 or fewer, perigynous. 

 Ovary 3-5-celled, free. Seeds numerous. Capsule loculicidal or circum- 

 scissile. Embryo slender, curved around mealy endosperm. 



Species 500, mostly in warm climates. 



i. SESUVIUM Linn. 



Fleshy, seaside, usually prostrate herbs, with smooth, opposite, exstipu- 

 late leaves, and solitary or clustered, axillary, 5-merous flowers. Petals 

 none. Sepals colored inside. Styles 3-5. Capsule circumscissile. 

 Seeds reniform. 



Species 5, tropical and subtropical. 



S. PORTULACASTRUM Linn, (non Gray). 



Stem prostrate, spreading from a center. Leaves linear to lance- 

 oblong, plane. Flowers with long or short pedicels. (Fig. in Eng. & 

 Prantl, iii, ib, p. 42 and 36, fig. 



