OF ARTS AND SCIENCES : JUNE 11, 1867. 387 



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. parviflora also. 



Audibertia CAPitata : frutescens, bipedalis ; ramis ad apicem 

 usque foliosis glomerulo capitulaeformi solitario terminatis ; foliis A. 

 stachyoidei similibus sed minoribus brevioribus magis petiolatis subtus 

 tantum puberulis, floralibus bracteisque subcoloratis rotundatis vel 

 ovatis obtusis vel interioribus mucrone setiformi instructis flores ada> 

 quantibus et involucrantibus. — Summit of Providence Mountain, 

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

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

 involucrate bracts of the head. 



Scutellaria Bolanderi : Galericulata, tenuiter pubescens ; cau- 

 libus (pedalibus) simplicibus vel inferne ramosis ad summum apicem 

 usque requaliter crebre foliosis ; foliis omnibus conforrnibus ovato- 

 eliipticis basi levissime cordatis sessilibus subintegerrimis (imisve 

 serrato-crenatis) membranaceis penninerviis ; floribus axillaribus op- 

 positis folium subrequantibus ; pedicellis calyce brevioribus ; corolla 

 pallide cajrulea seu albida (fere pollicari). — 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. 

 galericulata 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, infe'rioribus petiolatis, superioribus plerisque 

 subsessilibus, floralibus calyces adasquantibus ; 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 paullulo superante, galea superne villoso-barbata. 

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

 S. pyenantha) : 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 few 

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



Trichostema laxum: Orthopodium, tenuiter pilosum vel pubes- 

 cens ; caule laxe ramoso ; foliis penninerviis lanceolatis saspiusve ob- 



