NEW POLYPETAL^. 59 



Meconella denticulata. — Three to ten inches high: radi- 

 cal leaves entire, the laminal portion rhombic-ovate, acutish : 

 cauline spatulate to linear, obtuse, sharply denticulate: 

 petals narrowly oblong, 2 lines long: stamens 6 — 9. 



Temecula Canon, north of San Luis Rey, in San Diego 

 County, Cal., March 27, 1885, by the writer. 



The genus Meconella, with its few stamens, filiform fila- 

 ments, narrow stigmas and slender, spirally-twisted capsules, 

 together with its peculiar habit, seems more unlike Platy- 

 stigma a good deal than that genus is unlike Platystemon. 

 Hence the action of Messrs. Bentham and Hooker in reduc- 

 ing it to Platy stigma, appears to have been rather arbitrary. 

 This new species has the small flowers of the original 31. 

 Oregana, Nutt., but the leaves of the stem are denticulate. 



Aegemone cokymbosa. — Annual or biennial, a foot or two 

 high, robust, simple below^ corymbosely branched above, 

 armed throughout with rigid, straight, spreading spines: 

 leaves rather crowded, 1 — 3 inches long, oval, entire or with 

 shallow, rounded lobes, closely sessile by a broad, some- 

 what clasping base: flowers white, small, numerous, in an 

 ample corymbose, terminal cyme: capsule oblong-ovate, 

 acuminate, barely an inch long, spinose, 4-valved. 



Mohave Desert, June, 1884, Mrs. Curran. 



A peculiar species, very leafy, none of the leaves pinnat- 

 ifid, the uppermost quite entire. The many, small, corym- 

 bose flowers mark it at sight as a very distinct, not to speak 

 of the uniformly quadrivalvular, taper-pointed capsules. 



Dkaba Sonoe^. — Annual, leafy at ba?e, sparingly pubes- 

 cent with branching hairs : flowering branches sleoder, race- 

 mose from the base: leaves spatulate-oblong, or obovate 

 with cuneate base, coarsely few-toothed: pods oblong-lan- 

 ceolate, 2 — 3 lines long, on ascending pedicels of about a 

 line: petals white, minute, little exceeding the sepals, rather 

 deeply emarginate. 



