OF ARTS AND SCIENCES : JUNE 11, 1867. 887 



which equally has two of the stamens sterile, although their filaments 

 are as long as the truly antheriferous ones. I discern a tendency to 

 the abortion of one pair of anthers and to the inequality of the lobes 

 of the stigma in P. parvljlora also. 



AuDiBERTiA CAPiTATA : frutescens, bipedalis ; ramis ad apicem 

 usque foliosis glomerulo capitulaiformi solitario terminatis ; foliis A. 

 stachyoidei similibus sed minoribus brevioribus magis petiolatis subtus 

 tantum puberulis, floralibus bracteisque subcoloratis rotundatis vel 

 ovatis obtusis vel interioribus mucrone setifornii instructis flores ada?- 

 quantibus et involucrantibus. — Summit of Providence Mountain, 

 Mohave Desert, May, 1861, Dr. J. G. Cooper. Flowers purple. Re- 

 sembles A. stachyoides in the rugose leaves, &c., and A. incana in the 

 involucrate bracts of the head. 



Scutellaria Bolanderi : Galericuhita, tenuiter pubescens ; cau- 

 libus (pedalibus) simplicibus vel inferne ramosis ad suramum apicem 

 usque oequaliter crebre foliosis ; foliis omnibus conformibus ovato- 

 eliipticis basi levissime cordatis sessilibus subintegerrimis (imisve 

 serrato-crenatis) merabranaceis penninerviis ; floribus axillaribus op- 

 positis folium suba^quantibus ; pedicellis calyce brevioribus ; corolla 

 pallide ca^rulea seu albida (fere poUicari). — Clark's Meadows, Mari- 

 posa Co., in patches, Bolander. Leaves an inch or less in length, 

 thin, rounded at summit, in their venation intermediate between *S'. 

 galericidata and S. nervosa. 



Stachys albens : mollissime albo-tomentosa, nee unquam hir- 

 suta ; caule erecto valido (1 - 5-pedali) ; foliis cordato-ovatis vel sub- 

 cordato-oblongis crenatis, inferioribus petiolatis, superioribus plerisque 

 subsessihbus, floralibus calyces adi^quantibus ; verticillastris plurifloris 

 approximatis ssepius in spicam densam interruptam confertis ; bracteis 

 obsoletis ; calycibus subsessilibus villosissimis obconico-campanulatis, 

 dentibus deltoideis pungenti-cuspidatis ; corolla alba calyce duplo lon- 

 giori, tubo calycem pauUulo superante, galea superne villoso-barbata. 

 — California : Fort Tejon, Mr. Xautus (No. 80, taken for a var. of 

 S. pycnantha) : Ojai, Dr. Peckham ; Pechecos Pass, near water- 

 courses. Brewer, Bolander ; Yosemite Valley, a dwarf exceedingly 

 woolly form, Bolander. Stem in the taller specimens " often an inch 

 square at base, above much branched." Corolla white, with a i'tiw 

 purple or rose-colored dots near the base of the lower lip. 



Trichostema laxum: Ort/iopodium, tenuiter pilosum vel pubes- 

 cens ; caule laxe ramoso ; foliis penninerviis lanceolatis sa^piusve ob- 



