101 

 ERIOGQNTM CLAVATUM Small. 



"Annual, acaulescent. Leaves basal; 

 blades 5-13 mm. broad, much broader 

 than long, undulate, stri^ose-hispid on 

 both sides, cordate at the base or rarely 

 truncate; petioles about twice as long as 

 the blades, hispid: scapes erect, so itary, 

 glaucous, forked above, the ultimate di- 

 vision filiform, the lower internodes 

 more or less swollen above the middle: 

 bracts scale-like: peduncles hair-like, l /z 

 cm. long, spreading: involucres narrow- 

 ly turbinate, vtry small, less than i mm. 

 long; segments obtuse, as broad as long, 

 shorter than the tube: ca ices densely 

 hirsute less than i mm. lon^, the seg- 

 ments nearly equal, ovate-lanceolate, a- 

 cutish: filaments glabrous." Small. 



Baja. 

 ERIOGOXUM ^LAl'iJl'M Small. 



"Annual, slender, acaulescent. Leavse 

 basal; blades ovate or oval-ovate, 5-10 

 mm long, obtuse, undulate-crisped, of- 

 ten inequi ateral, softly hispid on both 

 surfaces, obtuse or subcjrdaie at the 

 base; petioles 23 ti;iic;s longer th:m the 

 blades, hirsute: scap-s erect, soljtary or 

 several together, i-5 cm tall, glaucous, 

 forked, the branches ascending or 

 spreading: peduncles filiform *bout one 

 cm. long, more or less spreading: invo 

 lucres g abrous, turbinate, i mm. long; 

 segments oblong, obtuse, about as long 

 as the tube: calices densely hirsute, 2 

 mm. long; segments lanceolate, acute, 

 erect; filaments glabrous."- Small, Torr 

 club b 25:51 (25 ja 1898). 

 ERIOGONUM RUBESCENS Greene. 



"Near E. grande but low, the depress- 

 ed leafy caudex only a few inches long: 

 leaves ovate-cordate, with crisped mar- 

 gins and both surfaces tomentose or the 

 upper glabrate: peduncle stout, erect, a 

 foot high, bearing at summit a compact 

 cymose cluster of many-flowered umbels : 



102 



perianth glabrous, rose-red, camp-mti- 

 late: filaments viilous at base. Island of 

 San Miguel, where it is abundant on low 

 'sandstone ciiffs near the sea: but first 

 found in a similar locality at the extreme 

 west end of Santa Cruz. A m >st beauti- 

 ful species." Greene, F'ittonia 1:39. 

 ERIOGONUM GRANDE Greene. 



' Basal shrubby and leaty p irt a fo -t 

 or two higli with manv branches; pedun- 

 cles 3-5, thick and fisulous be ow. slen- 

 der and loosely cymose-dichoiomous 

 above: leaves ovate-oblong, obtuse, cor- 

 date at base, the margins crisped, 2-$' 

 long, on petioles ot equal length, lower 

 surface densely white-ton mentose, upper 

 glabrate: involucres terminal only: peri- 

 anth glabrous, white, segments equal, 

 obtuse, rotate-spreading in flower: fila- 

 ments viilous at base. Interior of Saata 

 Cruz Is., ve>y common ;** x "-Ge pit 1:38 

 ERIOGONUM THURBERI Torr. 



"Sandy ravines, ^an Pasqual, Calif., 

 My; Thuroer. * * A'al ace. Leaves in a 

 suoradical cluster, about l / 2 f long undu- 

 late-rugose pubescent above, white to- 

 mentose underneath. btem a scape 



about a span high, trichotomjusiy sub- 

 divided below the middle, with ovate a- 

 cute ternate bracts at the forks fedi- 

 cels \' long. Involucre less than a line 

 n di:imeter, cleft nearly to the middle 

 jnto 6 rather obtuse lobes; exterior seg- 

 mems of the perianth nearly four tim^s 

 broader than the inner. Filaments A o- 

 vary smooth. Styles short. Achenium 

 smooth. Embryo strongly curved. No 

 bracteoles were detected; in their place 

 are only woolly hairs." * * * Torr, bot 

 Mexican boundary 176-7 Baja! LA Co. 



HELIANTIIUS CALIPORXICUS DC. 



SF: Baja! aiong streams. 

 HELIANTHUS GRACILENTUS A. Gray 



SBe-r Co: SD Co; Baja; dry hilis. 

 HELIANTHUS PETIOLARIS Nutt. 



Baia to Oregon: Texas 

 LEPTOSYNE BIGELOVII A. Gray. 



CD; Mo-have; Ventura Co. 



