Men (ha. LABIATJ^J. 591 



lateral lobes of the corolla commonly uintod rather to the upper than to the lower : calyx 

 with short entire lips. 



13. Scutellaria. Calyx with a strong projection on the upper side, becoming casque-shaped, 



linaily splitting and the upper part usually falling. 



14. Salazaria. Calyx with no projection on the back, eidargcd and bladdery-inflated in fruit. 



* ♦ Anthers all alike 2-celled. Embryo straight, as in the order generally. 



15. Brunella. Calyx reticulate-veiny, strongly bilabiate ; upper lip truncate-3-toothed, lower 



2-('loft. Filaments 2-forkod nt apex, one fork bearing the anther. 

 1(5. Marrublum. Calyx 6-10-iiorvod, lO-toothod. HUinioiiH onchisml hi llm nliort tubo of tho 

 corolla. 



17. Btaohys. Calyx 5- lO-nervod, 5-toothod. Slamons rising out of Iho throat and under the 



upper lip of the corolla. 



II. Nutlets rugose-reticulated, somewhat united at base or obli(|uely fixed : corolla most deeply 

 cleft between the two upper lobes. 



Tribe VI. A-IUGOIDE/E. Stamens ascending parallel, and protruded from the cleft on the 

 upper side of the corolla, which thus divides completely the upper lip : the anterior longer 

 than the posterior pair. 



18. Trichoatema. Calyx camj>aniilate, 5-cleft. Corolla with ^ somewhat similar oblong lobes ; 



the limb oblique in the bud and containing the spirally coiled stamens. 



1. HYPTIS, Jacq. 

 Calyx somewhat equally 5-tootlied. Corolla short ; the lower lohe saccate, 

 abruptly deflexed at the contracted and callous-margined base ; the other 4 lobes 

 nearly equal and flat. Stamens 4, declined, included in the sac of the lower lobe. 

 — Herbs or low shrubs, of very many South American and ^rexicuji species, a few 

 reaching the United States. 



1. H. Smoryi, Torr. Minutely scurfy-tonicntoso and cancscont, shrubby, 4 or 

 5 feet high, with slender branches : leaves ovate or oval, obscurely crcnate, an inch 

 or less in length, slender-petioled : flowers in loose short-pcdunclod axillary clusters: 

 pedicels about the length of the somewhat turbinate calyx, both densely scurfy. — 

 Eot. Ives Colorado Exp. 20. //. lanata, Torr. Bot. Mex. Bound. 129, a slip for 

 //. lanijlora, excl. syn. 



Gravelly ravines of tlio Mohavo {Fremont, Cooper) and eastward, Kinorij, Newberry, kc. Carton 

 Tantillas, within the borders of Lower California, Palvur. "Fragrant." Corolla 2 or 3 lines 

 long, apparently purplish. 



H. ALBIDA, HBK., a related Mexican species, sparingly occurs in Arizona, but no nearer than 

 Camp Grant, Palmer, 



H. LANiFLORA, Beuth., and H. tephrodes, Gray, are known only from the southern part of 

 liOwer California. 



II. roi.YSTACiiYA, IIRK., which is probably only //. spicata, Poiteau, an annual species, of 

 Mexico, &c., is doubtfully enumerated in Bot. Beechey's voyage ; but nothing like it is known 

 from California. 



2. MENTHA, Linn. Mint. 

 Calyx about equally 5-toothcd. Corolla with a short included tube, and a cam- 

 panulate almost equally 4-cleft border ; the upper lobe broadest, cither entire or 

 sometimes emarginate. Stamens 4, nearly equal, erect, distant. — Odorous perennial 

 herbs, usually multiplying by creeping shoots or rootstocks ; with very small flowers 

 in dniifto clust(«r.s, tho two oppo.>*it(i ones forming an apparent whorl, either in the 

 axils or else spicate at the top of the branches : corolla whilish or ptirplish. 



1. M. Canadensis, Linn. About a foot liigli. sweet scented, pomntimos soft- 

 pubescent, sometimes almost glal^rous: leaves from oblong-ovate to almost lanceolate, 

 sharply serrate, acute, short-petiolcd : flowers all in short axillary clusters, the sum- 

 mit of the stem being sterile : calyx hairy, its teeth short. 



