606 LABIAT.E. Stuck i/s. 



4. S. bullata, r»eiitli. .SU'iu retrorsoly hispid or hirsute esiiecially on llie an«^les, 

 a foot or two higli : leaves ovate or (.»vate-obloiig, at least the lower more or less 

 cordate, coarsely cienate, obtuse, veiny, sometimes rugose, nearly all petioled (an 

 inch or two long), most of the lloral much reduced and shorter than the calyx : 

 ilowers usuidly in the false whorls, these rather distant, fonning a narrow much 

 interiupted spike: calyx turbinate-campanidate, mostly . hirsute or villous with 

 widely s{treading hairs ; the teeth triangular-ovate and subulate-cuspidate, rigid : 

 lower lip of the corullu fully as long as the tube, much larger than the upper. — 

 >S'. bullata, & *S'. Califuniica, Benth. in DC. aS', Nuttallii, var. Uptodachya, Benth. 

 ri. llartw. 331. 



MlikIocIiio Co. to Sun Dii-j^o ami Fort Muliuve ; aiiparciitly a very common a.s well as wide- 

 sjuoad uiul variultle siKioios ; tlio paljescunce of the leaves ol'len soft. Lower lip of the corolla 4 

 or D lilies long, the iip[iei' 2 or '6. 



S. I'ALUsTius, Liim., hi some of its forms occurs in Oregon, and may reach the northern Iwr- 

 deis of California. 



* « Tube of the red corulla much surpassinci the calyx, over half to three fourths of 

 an inch lony : jiowers mostly G in the false ivhorls. 



f). S. Chamissonis, Denth. 8tem li to 5 feet high, stout, mostly rough-hispid 

 with rigid rctroise brisLli;s, at least on the angles: leaves (2 to S inches long) oblong- 

 ovate and mostly a little cordate, crcnately serrate, usually villous or hirsute above 

 and villous-tomentose beneath, nearly all i)etioled; all but the lowest lloral ones 

 shorter than the loosely interrui)ted spieate Ilowers : calyx tubular-campanulate ; its 

 triangular-ovate teeth cuspidate-tipped : corolla rose-red ; its tube twice the length 

 of the calyx ; the lips pubescent outside. 



AVet grounds ; common around San Francisco Hay. 



S. CILIATA, Dougl., a smooliier and thinner-leaved species of tliis section, with the lower 

 flowei-s in the axils of ordinary leaves, belongs to the coast of Oregon and northward, perhaps 

 also in the northern i)ait of California. 



S. cocuiNKA, Jucf]., a haiidsomo Mexican species, with a tubular sciulet corolla, occurs in 

 Arizona and may perhaijs inicli tiio lower Itordei's of California. 



18. TRICHOSTEMA, Linn. Bi.uk-cuiils. 

 Calyx campanulate, in mas little oblique and almost equally 5-cleft. CoroHa with 

 short or rather slender tube and almost equally 5-parted limb, wliich is gibbous or 

 oblique in bud ; the lobes oblong and similar. Stamens 4 : hlaments long and 

 capillary, spirally coiled in the bud, long-exserted from the upper side of the corolla, 

 sometimes monadelphons at base : anther-cells divergent or divaricate, and soon 

 confluent. Nutlets coarsely rugose-reticulated. — Sweet-aromatic herbs or suifrutcs- 

 cent plants (all North American) ; with entire leaves, and blue or purple corolla 

 and stamens. — The two sjjecies of the Atlantic United States have scattered and 

 pedunculate flowers, with a very oblique and unequally 2-lipped calyx; the inter- 

 mediate T. Arizonicnvi has tlie loose inllorescence of the foregijing with the 

 almost regular calyx of the western species, all which Imvo very short axillary 

 jieduncles, bearing scsveral or numerous flowers in dense and mostly unilateral 

 cymose clusters. 



* Corolla hardly if at all surpassiuff the calyx. 



1. T. oblonguiu, Benth. Annual, soft-villous : stem a span or two high, 

 diflusely branching, eipially leafy to the top : leaves oval-oblong, thin, contracted 

 at base into a short petiole, much exceeding the small and dense cluster of nearly 

 sessile flowers : calyx very villous, deeply 5-parted, the lobes lanceolate-subulate. — 

 Lab. G59 S: in DC. Prodr. xii. 573. 



