686 PATAGONIAN EXPEDITIONS I BOTANY. 



12. VERBENA GLAUCA Gill. & Hook. 



Glaucous, suffruticose, with long, terete, filiform branches. Leaves dis- 

 tant, minute, linear, 6 mm. long. Spikes capitate, ovate, pubescent, 

 dense-flowered. Outer bracts twice as large ("as broad" O. Ktze.) as 

 the calyx, cordate, rigid, pungent. Anthers without appendages. 



(Chili); Patagon. 



V. GLAUCA CISANDINA Nied. 



Glaucous, glabrous, few-leaved. Differs by having the outer bracts not 

 twice as large as the calyx, not cordate, but concave, broad-acuminate. 

 Calyx and corolla 5-partite. Leaves not alternate, but remotely decussate. 



N. Patagon., near Rio Negro. 



13. V. INFLATA H. B. & K. 



Procumbent, branching undershrub, hoary, with strigose pubescence. 

 Leaves sessile nearly to the base, tripartite, their segments narrow, 2-5- 

 cleft, subsegments linear, obtuse, revolute. Spikes terminal, crowded, at 

 length lax. Bracts lanceolate, subulate, shorter than the calyx, which 

 equals the corolla-tube. Stamens 2. Capsule obovate, enclosed in the 

 enlarged (not inflated) calyx. 



(Quito and southwards in the Andes); S. Patagon., by Hatcher at Rio 

 Sta. Cruz, on wet ground, Jan. 9, 1897. (Compared in Gray Herb.) 



14. V. INTERMEDIA Gill & Hook. (V. gracilis Cham.) 

 Rhizome creeping. Stems simple, strict, tetragonal, marginate, sca- 

 brid. Leaves subsessile, subconnate, arrect, diminishing upwards ; the 

 lowest cuneate-oblong, the others linear-lanceolate, acute, margin revo- 

 lute, incised-serrate or entire, rugose above, rough underneath. Panicle 

 terminal, rare; spikes crowded, at length subcylindrical, hirtulous and 

 glandular. Bracts ovate, acuminate, as long as the calyx. Corolla twice 

 as long, violet. 



(Grassy plains of Bonaria); N. Patagon., near Rio Negro. 



15. V. LORENTZII Nied. 



Shrub, i meter high, decussately branching; branches tetragonal, be- 

 coming terete, nodose. Hairs i -celled. Leaves decussate, minute, his- 

 pid, linear to ovate-lanceolate, entire, acuminate, or spatulate-obtuse, 

 basally attenuate, subsessile, revolute, black in drying. Flowers in ovate 



