690 PATAGONIAN EXPEDITIONS: BOTANY. 



Bracts broad-lanceolate, not spiny, nearly as long as the calyx. Calyx 

 pentagonal with subspinose, unequal teeth. Corolla a little longer. 



Patagon. 



27. VERBENA TRIDACTYLITES Lag. 



Shrubby, low, branching, slightly hirtellate, with white hairs. Leaves 

 tripartite, their segments linear, rounded at the apex, revolute. Spikes 

 terminal, capitate, solitary. Bracts oblong, more than half as long as 

 the lo-ribbed calyx. Corolla-tube nearly twice as long as the calyx. 

 ("Leaves connate bifid." Schauer in DC. Prodr.) 



Falklands; S. Patagon., by Hatcher at Rio Sta. Cruz, in wet ground. 



28. V. TRIDENS Lag. 



Shrub, i meter high. Leaves trifid, the segments subulate, arenose. 

 Spikes cylindric. Bracts short, 3-toothed. 



S. Patagon., at mouth of Rio Sta. Cruz (Dusen) ; in Valley of R. 

 Gallegos (Nordensk.). 



29. V. UNIFLORA Phil. 



Fruticose, densely cespitose, very low, 7 cm. Leaves crowded, 4 mm. 

 long, linear, obtuse, entire, pubescent, ciliate. Flowers solitary at ends 

 of the branches. Calyx hirt. Corolla twice as long as calyx, pilose 

 inside. Ac hems 2 mm. long. 



(Chili; Argent.) 



V. UNIFLORA GLABRIUSCULA O. Ktze. 



Leaves subglabrous. 

 Patagon. 



2. LANTANA Linn. 



Usually shrubs, scabrous or tomentose, with simple hairs, and with 

 opposite leaves. Spikes dense or capitate, pedunculate in the axils, the 

 flowers red to orange or white, not large, sessile in bracts. Calyx small, 

 truncate or toothed. Corolla-tube rather long, its lobes spreading. Ovary 

 2-celled; cells i-seeded. Drupe juicy. 



Species 50, most in warm parts of Amer. ; some in Asia & Afr. (fig. in 

 Eng. & Prantl, iv, 30, p. 150, A, B). 



L. CLARAZII Ball. 



Profusely branching. Leaves sessile, at least the upper, linear-lanceo- 

 late, attenuate both ways, entire or revolute, midrib prominent, other 



