72 TRANSACTIONS OF THE [jAN. 21, 



its four nearly equal lobes minutely ciliate, leaves cinereous, 

 clavate-linear^ thick, obtuse, quite entire, about three-quarters 

 of an inch long. Related to A. capitata. Fort Verde (246). 

 A curious feature of the species is the prolification of the 

 floral axis in all the specimens examined. 

 Brunella vulgaris, L. Baker's Butte (105). 



PLANTAGINE^. 



Plantago Patagonica, Jacq. A form. Fort Verde (199). 



NYCTAGINE^. 



Mirahilis muUiflora (Torr.), Gray. Fort Verde (176). 

 Allionia incarnata, L. Fort Verde (216). 

 Boerhaavia spicata, Choisy. A variety. Fort Verde (218). 

 Boerhaavia lasiolena, Torr. Fort Verde (198). 

 Oxyhaplius angustifolms, Sweet. Jiaker's Butte (253). 



AMARANTACE^. 



Amarantus Wrightii, Wats. Fort Verde (277). 



CHENOPODIACEiE. 



Eurotia lanata (Pursh), Moq. Fort Verde (188). 



POLTGONACE^. 



Eriogonum Ahertianum, Torr. Fort Verde (224). Named by 

 Dr. Parry. 



Eriogonum microthecum, Nutt. Fort Verde (219). 



Eriogonum Mearnsii, Parry, n. sp. Fruticose, with loose, 

 shreddy bark on the older stems, lanose on the growing shoots; 

 leaves crowded, fasciculate in the axils, usually developing 

 short leafy branches, linear, cuspidate, 5-7 mm. long, 

 revolute to a close cylinder, the smooth upper surface con- 

 cealing the tomentose under, the base terminating in a short 

 membranous expansion, remaining as a scale after the fall of 

 the leaf; inflorescence terminating the upper branches, sparsely 

 corymbose by simple dichotomous extension; involucre pedun- 

 culate, 3 mm. high, segments 5, short, connected by a mem- 

 branous expansion; perianth conspicuous, bright pink or 

 whitish, with prominent midnerves, tube short, segments 

 broadly spatulate, unguiculate, outer broader and spreading, 

 overlapping the inner; stamens shorter than the perianth 

 lobes, fihiments hairy, ciliate; bracteoles plumose, longer than 

 the pedicels; akenes narrowly winged, with long projecting 



