195 



hairy ; petals narrowly spatulate, hardly longer than calyx lobes ; 



stamens very slightly exserted. 



California. — Douglas, Coulter, No. 182, Kellogg and Har- 

 ford, No. 245 ; Big River, Mendocino City, Bolander, No. 4,830. 



Var. Hartwegi, Watson, in Herb. Gray. 

 Panicle loose and more open ; stems 2° to 3° high ; the entire 

 plant, but especially the calyx, less hairy. 



California. — Hartweg. No. 1,742 ; Clark's Creek, S. Luis 

 Obispo, Palmer, No. 124; Mendocino Co., Bolander, with 4,830 

 and=4,820 ; Santa Lucia Mts., Brandeg^e, Vasey, No. 173. 



This plant seems to stand between H. micrantha and H. 

 pilosissima, often much resembling the former in its foliage as 

 well as in the shape of its panicle. 



ff Flowering caI\-.\ 1]/^' to 3" long. 



* Inflorescence a large, densely flowered, narrow thyrsus. 



7. H. MAXIMA, Greene, Bull. Calif. Acad. Sci. ii. p. 149, (1886). 

 Stout leafy peduncles and equally long petioles villous, or 



hirsute and glandular, arising from brown, ^' thick, decumbent 

 stems, rough with the persistent bases of former leaves; leaves 

 large, round-cordate to broadly-ovate cordate, 3' to 6' broad, 

 obtusely 5 to 9-lobed, lobes crenate-dentate, the teeth bristle- 

 pointed, ciliate ; calyx at time of flowering rather short-campan- 

 ulate, somewhat acute at base, minutely glandular, 2" to 3" long, 

 lobes obtuse, pubescent; petals \" to ly^." long, lanceolate with 

 a prominent central vein ; stamens slightly exserted. 

 Island Santa Cruz, Coast of California, Greene. 



■"* Inflorescence paniculate or cymose-paniculate. 



8. H. Americana, L. Spec PI. i. 226, (1753). 

 H. scapigcra, Moench, Meth. 674, (1794). 

 H. cortnsa, Michx. ¥\. i. 171, (1803). 



H. viscida, Pursh, Fl. i. 187, (18 14). 



H. foliosa, Raf , fide spec. Herb. Torr. 



H. reniformis, Raf in Herb, Phil, Acad. 



Stems more or less glandular-hirsute, 2° to 3° high, naked, or 

 bearing a few small leaves ; root-leaves 3' to 4' broad, ovate-cor- 

 date, with 7 or 9 rounded, crenate-dentate lobes, the older leaves 

 usually with short, scattered hairs on the upper surface ; calyx at 

 time of flowering broadly campanulate, open, i yA" to 3" long. 



