AudiberUa. LABIAT/E. - QQ1 



+- +■ Bracts more or less herbaceous : leaves minutely rugose and crenulate. 



++ Corolla half an inch or less in length : all the calyx-teeth and the bracts subulate 



or awn-pointed. ■ 



4. A. humilis, Benth. A span high, tumeiitulose-canescent, cespitose : flowering 

 stem scape-like : leaves mainly radical, oblanceolate or spatulate-oblong, very obtuse, 

 tapering into a slender petiole : spike of 3 or 4 small and closely >e-sile head-like 

 clusters: bracts lanceolate or ovate, villous-hirsute, their tips and the calyx-teeth 

 subulate, not rigid : stamens and style long-exserted. 



Near San Francisco or Monterey, Dumjlas. Hillsides near Nevada, Bigelow. Mountains of San 

 Diego Co., Palmer. 



5. A. stachyoides, Benth. Decidedly shrubby, 3 to 8 feet high, rigid, with 

 herbaceous flowering branchlets, leafy, ciiiereous-tomentulose, becoming greener and 

 glabrate : leaves oblong-lanceolate, tapering into more or less of a petiole, obviously 

 crenate, the upper surface glabrous with age : bracts of the 3 to 5 dense sessile and 

 mostly remote heads ovate or oblong, and with the calyx-teeth abruptly cuspidate or 

 owned : style and especially the stamens little exserted. 



Common from the Contra Costa Mountains to the southern borders of the State. 



++ ++ Corolla two thirds to three fourths of an inch long, its tube much exceeding the 

 calyx and the short bracts : upper lip of the calyx barely l — 3-mucronnte, tin- teeth 

 of thi I, hi; ,■ in,,,-, poinU d : .</,im, //.< and style m,,,/, ratt ly • xsi rtt d : stems 4 to 8 feet 

 high, with paniculate and virgate herbaceous remotely-leaved flowering brandies ; 

 the stem below woody. 



6. A. Palmeri, Gray. Minutely tomcntulose-canescent : leaves oblong-lanceolate, 

 acute (the larger 2 or 3 inches long) : head-like (dusters of flowers •"> to S, remote in 

 I he elongated virgate naked spike: bracts oblong or lanceolate, acuminate into a slen- 

 der cuspidate tip: lower calyx-teeth subulate-setaceous. 



Near Tighes Ranch in the mountains northeast of San Diego. "Corolla a delicate blue." In 

 sum.' respects intermediate between the foregoing and the following. The virgate much inter- 

 rupted - 1 'ikes often a foot or more in length ; the whorl-like capitate clusters from 'A inches to 

 half an inch apart. 



7. A. Clevelandi, Gray. Minutely tomentulose-canescent : leaves oblong or 

 the upper lanceolate-oblong, all obtuse (an inch or two lung): head-like clusters one 

 or two (rarely 3) and rather distant, or single terminating peduncle-like branch- 

 lets: bracts ovate or oblong, merely mucronate or abruptly short-pointed, viscid- 

 pubescent, as is the calj s : upper lip of the latter short and subulate. — Proc. Am. 

 Acad. x. 7b. 



Mountains northeast of San Diego, at about 2,200 feet, Cleveland, Palmer. The latter found 

 it growing in or mar the habitat of the preceding and closely related species. 



++++++ Corolla barely lialf an inch long, its tub< hardly exceeding the herbaceous 

 1,1 a ni and pointless bracts and calyx. 



8. A. nivea, Benth. Shrubby, :? or 4 feet high, leafy, mealy-tomentose, and 



very while: leaves ubi.pnglauee, date, obtuse, very short -petioled, the upper trun- 

 cate at base: bracts ovate or oblong, much imbricated: calyx splitting down the 

 front and at length notched posteriorly: corolla "light purple"; the tube hardly 

 longer than the lips : stamens and style conspicuously exserted. 



Dry hillsides from Santa Barbara Bouthward. Full-grown capitate Rower-clusters an inch 

 broad (rathei larger than in the two preceding species), from 2 to l in the Interrupted spike. 



§ 2. Flowers thyrsoid-paniculaU : thefloral leaves and th few bractsoftlu small ■'"'I 

 numerous clusters lanceolaU or subulate. 



9. A. polystachya, Benth. shrubby. 3 to 10 feel high, closelj and fiuelj 

 tonientose-canesceut ; herbaceous flowering branches virgate: leaves lanceolate oi 



