130 CONVOLVtTLACEAE 



1:492 (1859), type loc. Georgia, Boytcin; Yuncker, Mem. Torr. Club 18:128 (1932). C. campes- 

 im Yuncker, Mem. Torr. Club 18:138 (1932), type loc. Texas, Liiidheimer 126. C. arvensis Hook., 

 FI. Bor. Am. 2:77 (1838), as synonym without description. 



CuscuTA CEPHALANTHi Engelm., Am. Jour. Arts & Sci. 43:336 (1842), type loc. near St. 

 Louis, Engelnmnn; Yuncker, Univ. 111. Biol. Monog. 6:143 (1921). Flowers 4-merous, corolla 

 somewhat persistent on capsule as a calyptra-like cap, or adherent to base of capsule. — Eastern 

 United States; also Sisson ("Mt. Shasta"), Geo. B. Grant 5217, the material meagre and possibly 

 doubtful. 



7. C. suksdorfii Yuncker var. subpedicellata Yuncker. Stems slender; flow- 

 ers small, % to 1 line long, mostly short-pedicelled, few in umbel-like clusters ; calyx 

 with shallow tube and with long attenuate lobes reaching the middle of the corolla- 

 lobes; corolla campanulate, 4 or 5-parted, its lobes acuminate, longer than the tube, 

 persisting at the base of the capsule in age; scales oblong, shorter than the tube, 

 represented by 2 dentate wings; capsule globose or subglobose, thin-walled, with 

 a distinct central pit; seeds 2 to 4 (rarely only 1). 



Montane slopes, on Calyptridium umbellatum, 6000 to 6500 feet : Siskiyou Co. 

 July. 



Locs.- — Dry Lake Lookout, L. C. Wheeler 3011 ; East Fork Horse Creek. 



Eefs. — C0SCDTA SUKSDORFII Yuncker, Mem. Torr. Club 18:167, fig. 41 (1932), type loc. Ska- 

 mania Co., Wash., SuTcsdorf 1487. Var. subpedicellata Yuncker, Bull. Torr. Club 62:513 (1935), 

 type loc. East Fork Horse Creek, L. C. Wheeler 3192. 



8. C. californica H. & A. Chapaeral Dodder. Stems capillary, often form- 

 ing extensive tangles; flowers showy, II/2 to 2^/2 lines long, in loose cymes; pedi- 

 cels frequently much thickened below the flower ; calyx -lobes with short-attenuate 

 spreading tips; corolla thin, membranous, its lobes lanceolate-subulate, equaling 

 or longer than the campanulate tube, mostly reflexed in anthesis ; scales none, some- 

 times represented by inverted arches or V-shaped thickenings alternating with the 

 stamens, but situated near the base of the tube; anthers linear-oblong, nearly or 

 quite equaled by the filaments; styles slender, mostly longer than the ovary; capsule 

 depressed-globose, mostly 2 or 3-seeded. 



Hill slopes, frequent in chaparral, especially on Eriogonum and Adenostoma, 

 50 to 5000 (or 10,000) feet: throughout ci.smontane California. North to Wa.sh- 

 ington, south to Lower California. May-Sept. 



Locs. — S. Cal.: Witch Creek, San Diego Co., Alderson ; San Dieguito, E. Brandegee; Cata- 

 lina Isl., T. Brandegee; Eubio Caiion, San Gabriel Mts., Peirson 150a; Azusa, Los Angeles Co., 

 Abrams 1560 (on Eriogonum fasciculatum) ; Swartout Canon, San Gabriel Mts., G. S. Sail (on 

 Eriodictyon trichocalyx) ; Waterman Caiion, San Bernardino Mts., Parish; Palm Sprs. of San 

 Jacinto, Parish 4130 ; Granite Wells, Mohave Desert, Parish 10,188. Coast Ranges : Jolon, Jepson 

 1704 (on Eriogonum fasciculatum) ; San Miguelito Eancho, San Antonio Eiver, Monterey Co., 

 Jepson 1628 (on Lotus scoparius) ; Pajaro Hills, Monterey Co., Chandler 423; San Francisco, 

 Gardner; Potter Valley, Jepson 125a; Snow Mt., K. Brandegee ; Little Eed Mt., Mendocino Co., 

 Jepson 16,526; Grasshopper Peak, Humboldt Co., Constance 692; Big Lagoon, Humboldt coast, 

 Tracy 9160 ; Mary Blaine Mt., Trinity Co., Tracy 14,471 ; Cold Spr., w. Siskiyou Co., Butler 15. 

 Sierra Nevada: Mt. Silliman, 10,000 ft.. A'. Brandegee ; Badger, Tulare Co., T. Brandegee (on 

 Monardella lanceolata) ; Eagle Lake, Lassen Co., Brown 4' Wicslander 85. 



Var. brachycalyx Yuncker. Calyx very short, less than half the length of the broadly cam- 

 panulate corolla-tube ; corolla-lobes shorter than the tube, more obtuse. — Central and northern 

 California. North to Oregon. 



Locs. — Vacaville, Solano Co., Jepson 5d (on Centromadia pungens) ; Conn Valley, Napa Co., 

 Jepson 70c (on Eriogonum nudum) ; Mt. Konocti, Lake Co., Jepson 5b (on Eriogonum nudum) ; 

 Canoe Creek, Humboldt Co., Tracy 4760 (on Eriogonum nudum) ; Dugan, Eldorado Co., K. Bran- 

 degee (on Hemizonia). 



Eefs. — CuscuTA calitobnica H. & A., Bot. Beech. 364 (1840), type from Cal., Douglas; 

 Choisy, Mem. Soc. Phys. Hist. Nat. Geneva 9:279 (1841) ; Jepson, PI. W. Mid. Cal. 389 (1901), 

 ed. 2, 328 (1911), Man. 781 (1925). C. californica var. breviflora Engelm., Trans. St. Louis Acad. 

 499 (1S59) , type loc. Monterey, Eariweg 1863. C. occidentalis MUlsp., Field Mus. Nat. Hist. Bot. 

 5:204 (1923), new name for preceding var. C. californica var. longiloba Engelm., I.e. 499 

 (1859), type loc. Santa Barbara, Nuttall. C. californica var. gracilifiora Engelm., I.e. 499 (1859), 

 type from Cal., Douglas. C. californica var. apodanthera Yuncker, Univ. 111. Biol. Monog. 6:152 

 (1921), type loc. Yosemite Valley, Jepson 80a; corolla-lobes thin, anthers subsessile. C. brachy- 



