i shepherd: _40. 



Shrubs with opposite peti :". Ik land nail dioecio- 

 polygamous flow he nodes of the prev: ss n's 



growth, or axillary : : ~ >rs - I -dilate flow - 



tat-* with an urn -shaped or ovoid calyx bearing an S-lobed d 

 at its niouth which nearly closes 51 :ed_ 



Calyx of the staniinate flowers 4- par: S ens v . alternating 



with as many lobes of the disk. Fruit drupe-like, the fleshy base 

 of the calyx enclosing a nut or achene. 



S. Canadensis >"■:::. Gen. ii, 210. A thornless shrub with dark 

 brown or grayish bark, the young shoots brown- scurfy : leaves ovate or 

 oral, obtuse, entire, rounded at base, 12-18 lines lone, green and sparingly 

 stellate-scurfy above, densely silvery and brown-stellate beneath, on peti- 

 oles 2-6 lines long : flowers in short spices at the nodes of the twigs, 

 lowish : heads globose, less than a line in diameter, forming in sum- 

 expanding with or before the leaves the following spring: calyx ab: i 

 lines broad when expanded : fruit oval, red or yellowish. 2-3 lines long, 

 the nut smooth. In the mountains. Brit. Columbia to eastern Oregon and 

 . ; .:r:f« ::.e ::::::::: 



B. argentea ffutt. 1. c. A shrub 6-18 feet high, the twigs often ter- 

 minating in thorns : leaves oblong to oblong-lanceolate, 1-2 inches long, 

 obtuse, usually cuneate-narrowed at base, densely sil very-scurfy on both 

 sides. 2-6 lines long: flowers fascicled at the nodes, the globose buds 

 silvery : fruit ovoid to oblong, sour, edible. Alaska to California and 

 Minnesota, 



Order LXXXI ULMACE.E HirbeJ Elem. ii, 905. 



bees : ri n n be mitik alternate ley . small fugaeeous 



stipules, and small monoecious, dioecious -famous or per- 

 fect flowers in lateral or axillary cluster- i nhe pistillate sol- 

 itary. Calyx :>-9-parted or of 5-9 distinct sepals. Stanir 

 in our species, as many :tfthe calyx and op; sH em: 



filaments straight: anthers longitudinally dehiscent, Ovary 1- 

 celled. rarely 2-celled, mostly superior, with a solitary pendu- 

 lous anairopous or amphitropous ovule: style- stigmas _ 

 Fruit a samara, drupe or nut. Embryo straigh: or .: 

 with little or no albumen. Cotyledons mostly fl 



1 CHLSIfi L. Sp. 1043. 



T: - i shrub? with alternate leaves and small monoecious or 

 polygamous flowers borne in the axil? of leaves of the season, 

 the staminate clustered, the pistillate solitary _- : >gether. 

 Calyx 4-6-parted or of distinct sepals. Stamens as mar. 

 pals: filaments erec:. fxsr::ei : aesc _ - _. recurv- 



ed or divergent, tomentose or plumose. Fruit an ovoid or 

 globose drupe. 



C. occidental^ L Sp, KM* A tree or shrub 4-130 feet higb, with 

 dark brown rough bark, the twigs glabro I - ovate or ovate-lanceo- 

 late, sharply serrate, mostly thin, a*-ute or acum n&te, somewhat oblique 

 and 3 nerved at base, pinnatrly veicr - inches long, glabrous above, 

 pubescent, at least on the veins, beneath: staminate flowers numerous; 



