

104 



MISSOURI BOTANICAL GARDEN. 





during anthesis, the obtusish sepals about one-third the 

 length of the tube, enlarging later; petals white, li near- 

 spat ul ate, twice the length of the sepals; stamens long- 

 exserted. — Rocky cliffs, southern Missouri. Summer and 

 autumn. 



Belated to Heuchera parviflora Bartl., to which it has 

 been constantly referred, but distinguished by the itali- 

 cized portions of the above description. In //. pa 

 the petioles are villous to pubescent, and the lobi 



the leaves is very shallow. 



&> 



in<2; 



of 



Sjiecimei 



County, B 



27, 1899; ! 



Missouri: Monteer, Sh 



1119, October 

 uon Countv, B 



23 



1901, type, 195, July 

 September 12, 1888; 



October 21, 1893; Carter County, Trelease 289, Sept 

 ber 10, 1897. 



Convolvulus fraterniflorus Mack. & Bush,sp. nova. 



Convolmdus septum fraterniflorus Mack. & Bush, Man. Fl. Jackson 



County, Mo. 153. (1902). 



Sparingly short-pubescent or glabrate. Stems trailing 

 or twining, much branched, the branches much interwoven 

 and twisted, 1 to 2 m. long, glabrate or short-pubescent; 

 leaf-blades hastate, rarely nearly sagittate, short-pubescent 



d 



"f 



especially on the upper surface, acute, 



cordate at base, the basal lobes spreading, and 

 either entire or in vigorous plants obliquely truncate and 

 toothed, 3.5 to 9 cm. long, and from 2.5 to 9 cm. wide at 

 base; petioles 2 to 5 cm. long; peduncles one or more 

 ften two in the axil of each leaf, strongly quadrangular, 



the angles noticeably winged, shorter or occasionally longer 

 than the jyetioles; bracts of the calyx large, strongly cordate, 

 acute or obtusish, pubescent without, 2 to 4 cm. lono-, en- 



iy 



/ 



obtusish, ovate or oblong-ovate, 10 to 15 mm. long; corolla 



i 



