161 



Genus 



Bentha 



Smooth branching shrubs with alternate 

 vertical, thick, rigid entire or ciliolate-den- 

 ticulate Ivs, and showy yellow fls. Sep. 2, 

 Pet 4. Sta numerous, with short filiform fil 

 and linear anth. Ovary linear, 1-celled, and 

 with 2 nerve-like placentae, elastically 2- 

 valved from the base upward ; valves striate- 

 costate. Sds oval or globose, finely pitted, 

 carunculate. 

 DENDROMECON HARFORDII Kelloffg. 



Brahdegee, Zoe 1:46. 



Santa Rosa Island ,form of D. rigidum). 

 MECOXOPSIS HETEROPHYLLA Bth. 



Br. Zoe 1:113. Cat. 



Bentham, Hort Soc tr 1:2. Sr 2. 



Hooker, Ic PI t 272. 

 Abrams. Fl LA 162. 



Papaver heterophyllum Greene. 

 Genus STREPTAXTHUS Nnttall. 



Ann (rarely bien), often glaucous: 

 radical Ivs commonly toothed or pin- 

 natifid, the cauline similar or entire, 

 often sagittate-clasping: sep of the 

 same color as the pet. 2 or all saccate 

 at base, the ex thus ovoid or broad at 

 base and contracted above or by the 

 spreading of the tips becoming some- 

 what flask-shaped, rarely subcylindric: 

 pet p or \v. with a narrow undulate or 

 crisped limb and channeled claw, regu- 

 lar or somewhat ir: sta tetradynamou-s, 

 or in 3 unequal pairs, the two longer 

 pairs with fil connate below or the up- 

 permost pair with entirely united fil: 

 tnlique oblong to narrowly linear, flat- 

 tened parallel to the partition, some- 

 times subterete; valves 1-neryed or 

 rarely carinate: sds flat, margined or 

 winged: cotyledons accumbent: recep- 

 tacle enlarged. 

 STTJEPTANTHTJS HETEROPHYLLCS 



NuttalL 



Davidson Trythea 2:178. LA Co. 



Mesas, foothills and lower mts of SD 

 Co! and Baja! 



Abrams. Fl LA 167. 



More or less pubescent throughout 

 with spreading simple hairs: st usually 

 simple. 1 mm high or less: Ivs linear, at 

 least the lowest pinatifid with divari- 

 cate lobes or toothed, the upper usual- 

 ly entire: fls p or w, 8-12 mm long; ex 

 narrow: sep slightly saccate: pods ab- 

 ruptly reflexed on slender pedicels 5-7 

 <m long, about 1.5 mm wide, beaked by 

 a slender sty: sds small and crowded, 

 narrowly winged. 



Genus CLEOME Linnaeus. 



Ours branching herbs with digltately 

 3-5-foliate Ivs and y fls in bracteolate 

 racemes: sep 4, often persistent: pet 4, 

 cruciate, entire, equal: sta 6: ova stipi- 

 tate with gland at base: capsule elon- 

 gated long-stipitate. many-seeded. 

 -CLEOME INTEGRIFOLIA Nutt. 



K F,r. Zoo 1:S2. Monterey Cal. 



At the falls of the SD river (Or). 



Genns CLEOMELLA De Candolle. 



Branching arm: Ivs with 3 Ifts: fls y: 

 sta 6, exserted: pods rhomboidal, few 



162 



seeded and small, pendent on spreading 



pedicels. 



CLBOMELLA BREVIPES S. Watson. 



Desert, San Bernardino Co. (Parish 

 1289)). 



* Stioe longer than the pod. 

 CLEOMELLA OBTU9IFOLIA T-G. 



Colorado Desert (Or 1484); Arizona 

 CLEOMELLA OOCARPA A. Gray. 



Desert, San Bernardino Co. (Parish 

 1286). 



* * Stipe shorter than the pod. 

 CLEOMELLA PARVIFLORA A. Gray. 



Nevada; desert, San Bernardino Co. 

 (Parish 1288). 

 Genns HELIANTHEMUM Tonrnefort. 



Woody herbs or low shrubs, more or 

 less branching, mostly with showy y 

 fls; pet 5, y, fugacious: sta num: plac- 

 entae or false septa 3, ovules few- 

 many; sty short or filiform or spatu- 

 late, jointed with the ova; stig capitate 

 or 3-lobed: embryo curved. Rock-rose 

 HELIANTHEMUM GREENEI Robinson. 



H. occidentale Greene. 



Santa Cruz Island. 



Genns CERASTIU3I Linnaeus. 



Chick weed. Ann or per, pubescent 

 or hirsute herbs, with terminal dichoto- 

 mous cymes of w fls: Sep 5, rarely 4: 

 Pet of the same number, emarginate or 

 bifid, rarelyG 0: sta 10, rarely fewer: sty 

 equal in number to the sep and opp, or 

 fewer: Capsule cylindric, 1-oelled, 

 many-ovuled, often curved, dehiscent 

 by 10, rarely 8 apical teeth: Sds rough. 

 CEHASTIUM TRIVIALE Link. 



Bien or per, viscid-pubescent, tufted, 

 erect or ascending, 15-45 cm long; 

 lower Ivs spatulate-oblong, obtuse: up- 

 per Ivs oblong, 12-25 mm long, acute or 

 obtuse; bracts scarious-margined: infl 

 cymose, loose, pedicels at length much 

 longer than the ex; sep obtuse or acute; 

 pet exceeding sep, 4-6 mm long, 2-cleft; 

 capsule usually curved upward. 



C. vulgatum L. 



Abrams, Fl LA 146. Frequent in 

 lawns. 



Genus AREXARIA Linnaeus,. 



Ann or per herbs, with sessile Ivs and 

 terminal cymose Or capitate, rarely ax- 

 illary and solitary w fls: sep 5: pet 5, 

 entire or scarcely emarginate, rarely 0: 

 Sta 10: Sty usually 3, rarely 2-5: Ova 

 ] -celled, mr.-ny-ovuled: Capsule globose 

 or oblong, dehiscent at apex by as many 

 valves or teeth as there are sty, or 

 twice as many: Sds reniform-globose 

 or compressed. 

 AREXARIA FEXDLERI A. Gray. 



Sts num from a thick per rt, glaucous 

 glandular-pubescent above, erect, leafy, 

 10-35 cm high: basal Ivs gramineous, 

 setaceous, ciliolate or smooth, 5-10 cm 

 long, somewhat pungent: cauline be- 

 coming reduced, connate and sheathing 

 at *base; infl dichptomous, few-many- 

 fid: sep lanceolate, alt, glandular. 4-6 

 mm long: pet w or pale y, obovate, 

 slightly exceeding sep: cap 3-4 mm 

 long. 



