448 LABIATAE 



rupted, % to 3% inches long, 5 to 6 lines broad; calyx resinous-glandular, the 

 lower teeth subulate, the upper ones broadly subulate ; corolla white with a pink 

 tinge or purple, 2 to 3 lines long; lobes of lower lij) spreading, oblong, obtuse, simi- 

 lar to the emarginate upper lip ; sinus of upper lip shallow, I/4 length of the lip. 



"Wet ground of creek beds and valley streams, 10 to 700 feet : naturalized at scat- 

 tered localities throughout the state. Native of Europe. July-Nov. 



Locs. — West Berkeley, Jepson 14,928; Haywards, Tidcstrom; Alviso, Santa Clara Co., C. F. 

 Baker 1851; Mormon Creek, Tuolumne Co., WiUiamson 334; San Luis Obispo, Condit; Sherman, 

 Los Angeles Co. (Bull. S. Cal. Acad. 19<:23) ; San Bernardino (Zoe 2:28) ; Santa Ana, Orange 

 Co. (Abrams, Fl. Los Ang. 348, — 1904). 



Eefs. — Mentha piperita L., Sp. PI. 576 (1753), typs from England; Jepson, Fl. W. Mid. 

 Cal. 4G7 (1901), ed. 2, 365 (1911), Man. 886 (1925). 



4. M. citrata Ehrh. Bergamot Mint. Stems producing leafy stolons at base, 

 1 to 2 feet high ; herbage glabrous ; spikes V2 to 13,4 inches long, 8 to 9 lines wide, 

 oblong and much interrupted, or reduced to a single subglobular cluster; leaf- 

 blades broadly ovate, serrate, truncatish or obscurely subcordate at base, 1 to 2^2 

 inches long, often as broad as long, the lateral nerves usually very prominent ; 

 calyx resinous-glandular; corolla rose-purple, 3 to 4 lines long; sinus of upper lip 

 deeper than in M. piperita, % the length of the lip. 



Introduced from Europe along ditch banks and borders of ponds, 100 to 1000 

 feet : scattered stations, mostly near the coast. Sept.-Oct. 



Locs. — Areata bottom, Humboldt Co., Tracy 8388; Loleta Pond near Eureka, Tracy; West 

 Berkeley (Man. Reg. S. F. Bay 287) ; Fresno, C. E. Jenney 70; San Bernardino, Farish 5362. 



Eefs. — Mentha citrata Ehrh., Beitr. 7:150 (1792), type from Europe; Jepson, Fl. W. Mid. 

 Cal. 467 (1901), Man. 886 (1925). M. piperita var. citrata Rouy, Flore de France 11 :378 (1909). 



5. M. spicataL. Spearmint. Stems rod-like, many in a stool, 3 to 5 feet high ; 

 herbage almost glabrous ; leaf -blades broadly oblong to lanceolate, serrulate, 1 to 3 

 inches long, sessile or subsessile ; spikes slender, 2 to 3 inches long, paniculately dis- 

 posed above the foliage, the whorls many (10 to 20), commonly discrete below, 

 usually merged above; calyx -teeth subulate or filiform, microscopically ciliate, 

 nearly as long or longer than the tube; corolla white or pale. 



Wet ground, often with tall grasses and sedges, of mostly lowland marshes and 

 stream borders, 10 to 1000 (or 5000) feet : scattered localities throughout the state. 

 Naturalized from Europe. July-Sept. 



Locs.— Fort Bidwell, Modoc Co., Manning 395; Yreka, Butler 178; Trinity River Valley 

 near the South Fork, Tracy 7233 in 1925; Penn Valley (w. of), Nevada Co., Jepson 16,761 in 

 1934; near Marble Creek, Eldorado Co., H. M. Wheeler in 1941; Scott Valley, Lake Co., Jepson 

 14,924 in 1892; Napa Valley, Jepson 14,927 in 1892; Berkeley, Jepson 14, 923 in 1894; Alvarado, 

 Jepson 14,926 in 1897; Old Auberry, Fresno Co., Jepson 13,297 in 1928; Echo Park, Los Angeles, 

 Braunton 667; San Bernardino, c. 1890 (Zoe 1:124). 



Refs. — Mentha spicata L., Sp. PI. 576 (1753), type from Denmark; Jepson, Fl. W. Mid. 

 Cal. 467 (1901), ed. 2, 365 (1911), Man. 886 (1925). M. viridis L., Sp. PI. ed. 2, 804 (1763), 

 type European. 



Mentha eotundifolia Hudson, Fl. Angl. 221 (1762) ; Jepson, Man. 886 (1925). M. spicata 

 var. rotundifolia L., Sp. PI. 576 (1753), type European. Apple Mint. Stems 4 to 6 feet high, 

 villous; leaf-blades elliptic, rounded at base, serrulate, hirsutulose and sometimes a little tomen- 

 tulose (often white-cobwebby beneath), % to 2i/4 inches long, sessUe; spikes similar to M. spicata; 

 calyx hairy-pubescent ; corolla white, on the outside a little short-hairy with spreading hairs. — 

 Adventive from Europe in river bottoms and valley flats, 50 to 500 feet: Phillipsville, Humboldt 

 Co., Jepson 17,866 in 1936; Big Basin, Santa Cruz Mts., V. F. Sesse 143; Glendale (Dav. & Mox. 

 Fl. S. Cal. 311) ; Los Angeles River, near Los Angeles, Braunton 597 in 1902; Waterman Creek, 

 San Bernardino Mts. (PI. World 20:252). 



Hyssopus oflBcinalis L., Sp. PI. 569 (1753), type loc. uncertain; Gray, Syn. Fl. 

 2:354 (1878). Hyssop. Perennial virgately branching herb about 1 foot high; 

 leaves linear or lanceolate, entire; flowers blue-purple, in small spicate clusters. — 

 Native of Europe and Asia; escaped from gardens in California (ace. Gray, I.e.) ; 

 not seen by recent California botanists. 



