WATERLEAF FAMILY 519 



to ovoid, transversely corrugated. [Named in honor of Friederich von Miltitz, a botanical 

 writer of the nineteenth century.] 



A genus of about 6 species, of the Great Basin of the western United States. Type species, Eutoca T lutea 

 Hook. & Am. 



Flowers 5-merous; corolla yellow, or purplish-tinged, equaling or exceeding the calyx; style 1-4 mm. long, the 

 branches evident. 

 Corolla-lobes conspicuously shorter than the tube; corrugations of the seed prominent. 



Flowers numerous, crowded, short-pedicellate; corolla 5-8 mm. long, the scales usually evident; style 



1.5-4 mm. long. '■ ^J-'"'^"- 



Flowers few, slender-pedicellate; corolla 3-3.5 mm. long, the scales obsolete; style about y"^'^-^J^°nK;.^_ 



Corolla-lobes nearly equaling the tube; seeds finely striate. 3. M. parviflora. 



Flowers 4-merous; corolla whitish, shorter than the calyx; style less than 0.5 mm. long, the ^^^"I'^^^lf^^}^''^- 



1. Miltitzia lutea (Hook. & Arn.) A. DC. Large-flowered Miltitzia. Fig. 4133. 



Eutoca ? lutea Hook & Arn. Bot. Beechey 373. 1838. 



Miltitzia lutea A. DC. Prod. 9: 296. 1845. 



Emmenanthe lutea A. Gray, Proc. Amer. Acad. 10: 328. 1875. 



Phacelia lutea J. T. Howell, Leaflets West. Bot. 4: 15. 1944. 



Phacelia lutea var. ptirpurasccns J. T. Howell, Proc. Calif. Acad. 25: 365. 1944. 



Plants diffuse, the branches 0.5-1 dm. long, prostrate-spreading to erect from a basal 

 rosette, short-hispid and glandular-viscid throughout to subglabrate. Leaf-blades oblong to 

 oval, 1-3 cm. long, 0.5-1 cm. broad, entire to crenate or shallowly toothed, cuneate at base, 

 with a slender petiole; cymes many-flowered and rather compact, the pedicels 2-4 mm. long 

 in fruit ; calyx-lobes oblong to narrowly oblanceolate, 4-6 mm. long ; corolla yellow, 5-8 mm. 

 long 4-7 mm. broad, conspicuously exceeding the calyx, glabrous withm, the lobes 1-2 mm. 

 long, broadly oval ; filaments glabrous, the anthers oval ; style 2-4 mm. long, the short branches 

 erect or ascending; capsule oblong to ovoid, 6 or 7 mm. long; seeds about 8, oblong-ovoid, 

 brown, 1-1.5 mm. long. 



Dry slopes, Arid Transition and Upper Sonoran Zones; central and southeastern Oregon to adjacent Idaho 

 and Nevada. Type locality: "Snake Fort, Snake Country." May-July. 



Miltitzia glandulifera (Torr.) Heller. Muhlenbergia 8: 20. 1912 iEmmenanthe glandulif era Torr. ex 

 S Wats. Bot. King Expl. 257. 1871; MMitzia glandulifera var. cahforntca Brand, Univ. Calif. Pub. Bot. 

 4: 224. 1912; Phacelia adenophora J. T. Howell, Leaflets West. Bot. 4: 15. 1944.) Leaf-blades usually pinnatifid 

 or partially pinnate; corolla 4-7 mm. long, hairy within, much exceeding the calyx, the scales evident; filaments 

 hairy Sandy soil of dry sagebrush plains. Arid Transition and Upper Sonoran Zones; southeastern Oregon to 

 northeastern California and western Nevada. Type locality: Virginia Mountains, Nevada. May-July. 



Miltitzia scopulina (A. Nels.) Rydb. Bull. Torrey Club 40: 479. 1913. {Emmenanthe scopulina A. Ncls. 

 Bull Torrey Club 25: 380. 1898; P/iacWia jco/>M/t">ia J. T. Howell, Leaflets West. Bot. 4: 16 1944.) Leaf-blades 

 entire to pinnately lobed; cymes fewer-flowered; corolla 3-5 mm. long, glabrous within, little longer than the calyx, 

 the scales inconspicuous or obsolete; filaments glabrous. Dry slopes. And Transition and Upper Sonoran Zones; 

 southeastern Oregon to Wyoming, Nevada, and Utah. Type locality: Green River, Wyoming. 



2. Miltitzia inyoensis J. F. Macbride. Inyo Miltitzia. Fig. 4134. 



Miltitzia inyoensis J. F. Macbride, Contr. Gray Herb. No. 49: 41. 1917. 

 Phacelia inyoensis J. T. Howell, Leaflets West. Bot. 4:16. 1944. 



Plants erect or the branches ascending, 0.3-1 dm. tall, densely short-hispid and finely glan- 

 dular throughout. Leaf-blades oblong-oval, about 1 cm. long and up to 1 cm. broad, cuneate 

 at base, with a slender petiole, entire to pinnately few-lobed; cymes few-flowered and lax, the 

 pedicels 2-5 mm. long in fruit; calyx-lobes linear to linear-spatulate, 3-6 mm. long; corolla 

 yellow, 3-3.5 mm. long, 2-3 mm. broad, about equaling the calyx, the lobes about 0.8 mm. long, 

 oval ; anthers orbicular ; style 1 mm. long, the short branches divaricate ; capsule 3-4 mm. long, 

 ovoid; seeds about 6, oblong, brown, scarcely 1 mm. long. 



Granite sand, Sonoran Zones; Owens Valley, California. Type locality: foothills west of Bishop, Inyo County. 

 May-June. 



3. Miltitzia parviflora (A. Gray) Brand. Small-flowered Miltitzia. Fig. 4135. 



Emmenanthe parviflora A. Gray ex Newb. Pacif. R. Rep. 6: 84. pi. 15. 1857. 

 Miltitzia parviflora Brand, Pflanzenreich A"^'. 131. 1913. 

 Phacelia inundata J. T. Howell, Leaflets West. Bot. 4: IS. 1944. 



Plants diflFuse, the branches 1^ dm. long, prostrate-spreading or ascending from a basal 

 rosette, short-hispid and glandular throughout. Leaf -blades oblong, 1-3 cm. long, 0.5-1.5 cm. 

 broad, nearly entire to pinnate, with a slender petiole; cymes very numerous, much-branched, 

 many-flowered, dense, the pedicels 1-2 mm. long in fruit; calyx-lobes linear to linear-spatulate, 

 3-4 mm. long ; corolla yellow, about 4 mm. long, 3-4 mm. broad, about equaling the calyx, the 

 lobes oval, about 2 mm. long ; anthers broadly oval ; style 1 mm. long, the short branches divari- 

 cate; capsule 5-7 mm. long; seeds 10-15, ovoid, brown, 1.5-2 mm. long. 



Sandy flats on the borders of alkaline lakes. Arid Transition and Upper Sonoran Zones; south central Oregon 

 to northeastern California and adjacent Nevada. Type locality: Klamath Lake, Oregon. May-July. 



