BORAGE FAMILY 313 



Ariz., Pringle. P. platycarpa M. & J., I.e. 81:81 (1928). Var. rEROCULA Jtn., Contrib. Arn. 

 Arb. 3:95 (1932), tyjie loc. Santa Cruz Isl., Mum 4" Crow 11,846. P. linearis Jepson, Man. 841 

 (1925), in greater part. 



5. P. recurvata Jtn. Stems several to many from the base, diffuse, 3 to 10 

 inches high; herbage strigose or ascending-liispid ; leaf-blades linear, 2 to 5 lines 

 long; nutlets divergent in pairs, strongly recurved (sometimes curved almost into 

 a circle) , the body linear, the wing divided to or almost to the body into rather regu- 

 lar subulate segments, the segments tipped with short uncinate bristles ; upper end 

 of the nutlets elongated and narrowed into a spatulate apex tipped with a tuft of 

 uncinate bristles. 



Sandy flats, 50 to 4000 feet : Inyo Co.; Mohave and Colorado deserts. East to 

 Nevada and Arizona, south to Sonora and Lower California. Mar. -Apr. 



Locs. — Inyo Co.: Johnson Canon, Panamint Eange, Jepson 19,682. Mohave Desert: Para- 

 dise Spr. (5 mi. ne.), Paradise Mts., Jepson 17,247 ; betw. Bristol Mts. and Old Dad Mts., Jepson 

 20,381. Colorado Desert: Palm Sprs. (of Mt. San Jacinto), Parish 20,001; Wagon Wash, near 

 Sentenac Canon, e. San Diego Co., Jepson 12,491 ; Valleeito, e. San Diego Co., Jepson 8564. 



Eef. — Pectocarya recukvata Jtn., Contrib. Arn. Arb. 3 :97 (1932), tjrpe loc. Chandler, Ariz., 

 Harrison 4r Kearney 6507. 



6. P. setosa Gray. Stem stoutish, erectly or diffusely branched from or near 

 the base, 5 to 9 inches high ; herbage hispid as well as minutely strigose-pubescent ; 

 calyx-lobes armed with 3 to 6 stout straight divergent bristles ; nutlets in divergent 

 pairs, 2 wingless, 2 bordered by a broad thin-scarious wing, the body of the nutlet 

 and commonly also the wing beset with slender uncinate-tipped bristles, the body 

 rarely naked or nearly naked, the wing entire or obscurely undulate. 



Dry sand of valley floors, hillslopes or desert mesas, 1500 to 5500 (or 7400) feet : 

 east side of the Sierra Nevada from Lassen Co. to Inyo Co.; inner and middle South 

 Coast Ranges from western San Joaquin Co. to San Luis Obispo Co. ; Mohave and 

 Colorado deserts; intramontane Southern California (a few scattered stations in 

 ranges bordering the deserts). South to Lower California, east to Arizona, thence 

 north to Washington. Apr.-June. 



Locs. — Sierra Nevada (transmontane region) : Honey Lake, Lassen Co., T. Brandegee ; 

 Hanaupah Caiion, Panamint Range, Jepson 7050. Inner and middle South Coast Ranges: Corral 

 Hollow, w. San Joaquin Co., Hoover 3042 ; Kettleman Hills, vr. Fresno Co., Hoover 3317 ; Pozo 

 (7 mi. e.), San Luis Obispo Co., Ferris 9097. Mohave Desert: Neenach School, Antelope Valley, 

 Jepson 19,239; Mohave (12 mi. e.). Carter 1257; Cajon Pass, Jepson 6130; Victorville, Jepson 

 20,287; Calico Mts., Jepson 17,227; Granite Mts. (s. of Avawatz Mts.), Jepson 17,296; WUlow 

 Sprs. (cove below). Old Dad Mts., Jepson 20,450; Hole-in-the-Wall, Providence Mts., Jepson 

 18,319; New York Mts., Jepson 5457. Colorado Desert: Indian Canon, Collins Valley, ne. San 

 Diego Co., Jepson 8850; Wagon Wash near Sentenac Canon, e. San Diego Co., Jepson 12,490; 

 Coyote Wells, sw. Imperial Co., Orcutt 237. Intramontane S. Cal. (in ranges bordering the 

 deserts): Lytle Creek Canon, e. San Gabriel Mts., Hall 1475; Thomas Valley, San Jacinto 

 Mts., Jepson 1465; Vandeventer Flat, Santa Rosa Mts., Jepson 1420; Nigger Jim HUl, CahuiUa, 

 Hall 1183. 



Refs. — Pectocaeya setosa Gray, Proc. Am. Acad. 12:81 (1876), type loc. upper Mohave 

 River, Palmer; Jepson, Man. 841 (1925). Gruvelia setosa Rydb., Bull. Torr. Club 40:479 (1913). 

 P. setosa var. aptcra Jtn., Contrib. Gray Herb. 70:38 (1924), type loc. Campo, San Diego Co., 

 Ahrams 3671; Jepson, Man. 841 (1925) ; nutlets all wingless. P. setosa var. holoptera Jtn., I.e. 

 70:39, type loc. Granite Wells, Mohave Desert, Johnston 6489; Jepson, Man. 841 (1925) ; nutlets 

 all wing-margined. 



7. MERTENSIA Roth. Lungwort 



Perennial herbs with erect leafy stems terminated by clusters of showy light 

 blue flowers. Herbage glabrous or nearly so. Leaves broad, the lower mostly 

 petioled. Calyx 5-cleft or -parted, in ours small (1 to 2 lines long). Corolla tubu- 

 lar (in ours) or campanulate. Stamens with flattened or filiform filaments inserted 

 on the crested open throat of the corolla. Style filiform ; stigma entire. Nutlets 

 attached to the convex receptacle by a small scar just above the base, roughish or 

 wrinkled at maturity. — Species about 30, North America, Europe and Asia. (F. K. 

 Mertens, a German botanist, 1764r-1831.) 



