PLANTS FROM BAJA CALIFORNIA. 191 



Pentstemon Palmeri Gray. — San Luis, Agua Dulce. 

 Eight feet high. 



Pentstemon spectabilis Gray. — Las Hue vitas. 



Pentstemon Clevelandi Gray. — Ubi. 



MiMULUS PILOSUS (Benth.) — San Ignacio. 



MiMULUS floribundus Dougl. — San Ignacio, Comondu, 

 Purisima. 



MiMULUS luteus L. — San Pablo, San Sebastian, Santa 

 Maria. 



Stemodia durantifolia Swartz. — San Pablo, Jesus Maria, 

 Purisima. 



Stemodia polystachya. Suffrutescent, minutely and 

 sparsely glandular-pubescent, dividing near the base into 

 numerous slender, angled stems about a foot high, and 

 branching above : leaves opposite, triangular-ovate in out- 

 line, pinnately parted or incised in the manner of Conohea 

 multifida, and decurrent into petioles of about the same 

 length: flowers 1-2 in the axils, on slender pedicels of about 

 their own length: lobes of the calyx acuminate, nearly 

 equal, without bracts: corolla purple, with yellowish throat 

 8-10 mm. long; ux^per lip emarginate, lobes of the lower 

 denticulate; tube hairy below the insertion of the stamens: 

 anther-cells disjoined and pedicellate; rudiment of the pos- 

 terior stamen somewhat capitate: ovary ovate-acuminate, a 

 little exceeding the calyx-lobes, septicidal: valves entire; 

 placental column 2-cleft: seeds spiral -striate. — San Gre- 

 gorio, Comondu. 



This plant and Conohea intermedia, in which the rudiment 

 of the fifth stamen is also present, though very minute, ap- 

 pear to break down all distinctions between the two genera. 



Herpestis (Mercadonia) exilis. Annual, glabrous, erect, 

 3-6 inches high, seldom branching: leaves penninerved, 

 ovate or oblong-lanceolate, 10-15 mm. long, serrate above the 



