536 BORAGINACEAE 



1. Pectocarya linearis var. ferocula I. M, Johnston. Slender Pectocarya. 



Fig. 4168. 



Pectocarya linearis var. ferocula I. M. Johnston, Contr. Arnold Arb. No. 3: 95. 1932. 



Stems slender, usually diffusely branched from the base, spreading or prostrate, 8-25 cm. 

 long, herbage canescent-strigillose throughout. Leaves narrowly linear, acute, 5-25 mm. long, 



1 mm. or less wide; calyx-lobes 1.5-2 mm. long, strigillose; corolla about 2 mm. long; nutlets 

 divergent in pairs, narrowly oblong, the margin winged on the sides and pectinately toothed, 

 the 5-7 teeth dilated at base and slightly united, the apex uncinate-bristly. 



Dry usually sandy or gravelly slopes and mesas, Upper and Lower Sonoran Zones; islands off the coast 

 of southern California and on the mainland from San Benito and Monterey Counties south in the cismontane 

 region to San Diego County, and Lower California; also in Argentina. Type locality: "steep grassy slopes, 

 Lady Harbor, Santa Cruz Isl.," California. March-May. 



2. Pectocarya recurvata I. M. Johnston. Recurved Pectocarya. 



Fig. 4169. 



Pectocarya recurvata I. M. Johnston, Contr. Arnold Arb. No. 3: 97. 1932. 



Stems slender, simple below, with 2 to several erect or ascending branches above, or some- 

 times diffusely branched throughout and more spreading, 5-25 cm. long; herbage cmereous- 

 strigose. Leaves narrowly linear, acute, 1-3.5 cm. long, 0.5-2 mm. wide; calyx-lobes barely 



2 mm. long in fruit, acute; nutlets divergent in pairs, linear, strongly recurved, the wmg di- 

 vided to or almost to the body into prominent subulate straw-colored uncinate bristles, at the 

 apex the wing prolonged into a short scarious tip, uncinate-bristly on the margin. 



Sandy and gravelly mountain slopes and benches. Lower Sonoran Zone; Mojave and Colorado Deserts 

 from the Panamint Mountains, Inyo County, California, southward to Lower California and eastward to 

 southern Nevada, Arizona, and Sonora. Type locality: near Chandler, Maricopa County, Arizona. March-May. 



3. Pectocarya platycarpa Munz & Jtn. Broad-fruited Pectocarya. Fig. 4170. 



Pectocarya gracilis var. platycarpa Munz & Jtn. Contr. Gray Herb. No. 70: 36. 1924. 

 Pectocarya platycarpa Munz & Jtn. Contr. Gray Herb. No. 81: 81. 1928. 



Stems slender, diffusely branched from the base, prostrate or widely ascending 5-20 cm. 

 long, cinereous-strigillose throughout. Leaves narrowly linear to linear-oblanceolate, 0.5-1.5 

 mm. wide, 1-3.5 cm. long; calyx-lobes nearly as long as the nutlets; corolla 2 mm. long; nut- 

 lets divergent in pairs, sometimes heteromorphous, linear-oblong or spatulate-oblong, 2.5-3 mm. 

 long, with a wide conspicuous stramineous margin bearing irregular uncinate-tipped teeth, the 

 odd nutlet, when differentiated, with more deeply dissected wing and with more pubescent body. 



Dry gravelly slopes and benches. Lower Sonoran Zone; Mojave Desert, California, east to southern 

 Nevada and Utah, south through the Colorado Desert to Lower California and Sonora. Type locality: mesas 

 near Camp Lowell, Arizona. Feb.-May. 



4. Pectocarya penicillata (Hook. & Am.) A. DC. Winged Pectocarya. 



Fig. 4171. 



Cynoglossum penicillatum Hook. & Arn. Bot. Beechey 371. 1838. 



Pectocarya penicillata A. DC. Prod. 10: 120. 1846. 



Pectocarya linearis var. penicillata M. E. Jones, Proc. Calif. Acad. II. 5: 709. 1895. 



Pectocarya miser A. Nels. Bot. Gaz. 37: 278. 1904. 



Stems more or less diffusely branched from the base, ascending or spreading, 5-20 cm. long, 

 herbage canescently strigose. Leaves narrowly linear to almost filiform, the margms often 

 revolute; nutlets divergent in pairs, all similar, oblong, 2-3 mm. long, margm of the nutlets 

 prominently unequal ; wing fringed at apex with slender hooked bristles, narrower and without 

 bristles in the middle, broader at the base and with a few minute bristles ; all the bristles slender, 

 not triangular-dilated at base. 



Dry sandy or gravelly soils, Arid Transition Zone to Lower Sonoran Zone; British Columbia and eastern 

 Washington south through the Pacific States to Lower California, and eastward to Idaho. Nevada, western 

 Wyoming, Arizona, and Sonora. Type locality: California. Collected by Douglas. Feb.-June. 



5. Pectocarya heterocarpa I. M. Johnston. Chuckwalla Pectocarya. 



Fig. 4172. 



Pectocarya penicillata var. heterocarpa I. M. Johnston, Contr. Gray Herb. No. 70: 37. 1924. 

 Pectocarya heterocarpa I. M. Johnston, Journ. Arnold Arb. 20: 399. 1939. 



Diffusely branched from the base; stems slender, ascending or spreading, 3-15 cm long, 

 strigose and canescent throughout. Leaves narrowly linear, 1-3 cm. long, 1-2 mm. wide, the 

 hairs on the basal ones often pustulate at base; corolla minute, its limb about 1.5 mm. broad; 

 fruiting nutlets widely divergent dissimilar, 2 narrower and with or without a narrow margin, 

 and 2 prominently wing-margined, the wings pectinately bristly at the apex, irregular, few- 

 toothed and with or without scattering bristles on the sides. 



Sandy or gravelly plains and slopes, Lower Sonoran Zone; western edges of San Joaquin Valley, Kern 

 County, south through the Mojave and Colorado Deserts Ca ifornia, to Lower California, southern Nevada, 

 Ar^ona and Sonora Type locality: Corn Springs, Chuckwalla Valley, Riverside County. Jan.-May. 



