1896. | North American Amaranthacee. 351 
+ + Herbaceous or suffruticose. 
Iresine jaliseana, n. sp. 
Herbaceous or suffruticose with green stems longitudinally 
tidged: leaves green, small, ovate-lanceolate, 3 to 8™ long 
including petiole, appearing in fasciculate clusters at the 
nddes, these and the stem glabrous except on the very young- 
est growths: inflorescence a lax mostly leafless panicle with 
very slender branches, those of the second order long divari- 
cate, bearing pedicelled spikelets mostly on one side; rachis 
of spikelets woolly, bracts acuminate, nearly as long as the 
sepals: sepals membranous, narrowly oblong; calyx slightly 
pedicellate with comparatively inconspicuous hairiness at base: 
in $ flowers the stamen cup is present bearing five imperfect 
stamens and very minute staminodia: utricle flat top-shaped, 
terminating above in a short style with two filiform stigmatic 
branches: g plants not seen. 
Mexico, state of Jalisco near Guadalajara, Palmer no. 92 
(1886). Types in Columbia College, U. S., and John Don- 
nell Smith herbaria. 
* « * Dicwcious. 
+ The whole plant (except older woody portions) densely white 
or gray tomentose. 
+ Staminodia papillate, i. ¢., dissected into fine hair-like 
processes. 
; oe CANESCENS Humb. et Bonpl. in Willd. Sp. Pl. 
* 765. 
Tromsdorfia canescens Matt. Nov. Gen. et Spec. Bras. 2: 42. 1826. 
_ Distinguished by its sub-pyramidal very profuse paniculate 
inflorescence, The male flowers have prominent but abortive 
ttricles Showing even rudiments of stigmatic lobes: the stam- 
Modia are prominent and finely dissected into hair-like pa- 
Bile, In the female flowers the white woolly growth from the 
ower portion of calyx lobes and base of the flower is unusu- 
ly Conspicuous and dense. 
€xico, Lower California, Central America. 
TResing CASSIN@FORMIS Schauer in Linnza 19: 708. 1847. 
Determined by Sereno Watson, who notes, ‘‘imperfectly 
Prteing with the description.” It has the flower characters of 
 Onescens but differs in habit, being more woody, with nar- 
