516 VIOLACEAE 



2. H. greenei Rob. Stems from a woody base. braiu'hiii<r. 6 to 10 inches high; 

 young parts whito-wooUy; leaf-blades linear, 1 to VA lines broad; flowers on short 

 \l to '2 lines') pedicels in a somewhat condensed corymbose panicle; outer sepals 

 linear or lanceolate, V2 to as long as the ovate acuminate inner ones. 



Dry slopes. 15()() to 2r)()() feet : Santa Cruz Isl. ; San Diego Co. Apr. 



Locs. — In its typical form Ilolianthcinum greenei occurs only on Santa Cruz Island, but a 

 closclv related state' is found on the San Diego coast (La Jolla, Jcpson 11,841a). 



Refs.— HELi.\NTHEMrM greenei Rob.; Gray, Syn. Fl. l^ilOl (1895). E. occidentale 

 Greene. Bull. Cal. Acad. 2:144 (1886), type loc. Santa Cruz Isl. (central high part), Greene; not 

 U. occidentale Nyman (1878). Halimium occidentale Grosser; Englcr, Pflzr. 4"'^:35 (1903). 



RESEDACEAE. Mignonette Family 



Herbs with simple alternate leaves. Flowers perfect, irregular, in racemes or 

 spikes, ours inconspicuous. Sepals 4 to 7. Petals 2 to 6. Stamens 3 to 40, always 

 more numerous than the petals, borne on one side of the flower. Pistil superior, 

 1-celled. with parietal placentae, opening at the top before the seeds are full- 

 groMni. Stigmas 2 to 6, sessile, minute. — Genera 6, species about 66, North Amer- 

 ica, Europe, Asia and Africa. 



1. OLIGOMERIS Cambess. 



Low branching somewhat succulent herb. Leaves with linear entire blades. 

 Flowers white, in terminal spikes. Sepals 4. Petals (2) and stamens (in ours 3) 

 inserted on the upper side of the flower. Capsule depressed, 4-lobed (each lobe 

 sulcate on the back), opening at the summit. — Species 5, North America, Asia and 

 Africa. (Greek oligos, little, and meris, parts.) 



1. 0. linif olia Mcbr. Erect annual, branching from the base, % to 2 feet high ; 

 leaf-blades I/2 to 1% inches long ; flowers 1 line long ; petals oblong, acute ; cap- 

 sules 11/2 lines broad. 



Sandy mesas and flats, 5 to 2000 feet: eismontane Southern California; Colo- 

 rado Desert; eastern IMohave Desert. East to southern Nevada and Texas, south 

 to Mexico. Asia and Africa. Mar.-Apr. 



Loos. — Cismontane S. Cal.: Santa Catalina Isl., T. Brandegee ; Santa Monica, Geo. B. Grant 

 869; Newport Bay, L. M. Booth 1097; Menifee, Riverside Co., Alice King; San Diego, Jepson 

 1598. Colorado Desert; Twenty-nine Palms, Jepson 12,633; Palo Verde, Schellenger; Painted 

 Canon, n. of Mecca, Jepson 11,670; Mecca, Parish 8481; Coachella, Schellenger ; Indio, Jepson 

 6059; Borrego Valley, Jepson 8796; Vallecito, Jepson 8558; Superstition Mt., Parish 9031; 

 Cameron Lake, T. Brandegee; Calexico, Davy 8013. Mohave Desert: Yermo, Jepson 15,858; 

 Bagdad, Hall 6082. Nevada: Searchlight (15 mi. e.), Parish 10,291. 



Refs. — OLIGOMERIS LINIFOLIA Mcbr. Contrib. Gray Herb. 53:13 (1918); Jepson, Man. 642 

 (1925). Eeseda linifolia Vahl ; Hornem. Hort. Hafn. 501 (1815), type loc. s. Eur. 0. subulata 

 Webb, Fragm. Aethiop. 26 (1854) ; Parish, Zoe 1:301 (1890). 0. glaucescens Camb. ; Jaeque- 

 mont, Voy. Ind. 4:24, t. 25 (1838). 



Reseda L. Mignonette. Annual herbs; flowers in racemes; sepals 4 to 8; 

 petals 4 to 7, laeiniate; stamens 8 to 40, inserted on a disk on one side of the flower; 

 capsule 3 to 6-lobed, homed. 1. R. odorata L. Sys. Nat. ed. 10, 1046 (1759), type 

 from North Africa. Leaves mostly entire; petals yellowish-white, deeply 5 to 8- 

 cleft. — Garden escape in Marin Co. 2. R. lutea L. Sp. PI. 449 (1753), type from 

 Europe. Leaves divided; petals greenish-yellow, all cleft but 1 or 2. — Garden 

 escape about Los Angeles. 3. R. alba L. Sp. PI. 449 (1753), type from Europe. 

 Leaves pinnatifid; petals white, all 3-eleft at summit. — Occasional garden escape. 



VIOLACEAE. Violet Family 



Perennial herbs with alternate stipulate leaves and complete flowers. Sepals 

 5, persistent. Corolla irregular, consisting of 5 somewhat unequal petals, 2 upper, 

 2 lateral and 1 lower, the lower spurred at base. Stamens 5, with short and broad 

 filaments bearing the anthers on their inner face and eonnivent over the ovary. 



