476 



KOSACKAK (liOSK FAMILY) 



781. C. Arnoldiana. 



calyx-lobes ; flesh yellow, acid ; nutlets 8-9 

 cm. long ; nest of nutlets 9-10 mm. thick. 

 Rare, e. Mass, and w. Ct. Fl. May ; fr. 

 Aug. FIG. 781. 



55. C. canadensis San:. Leaves ovate, 

 broadly cuneate to truncate at the base, 

 acutely lobed toward the apex, 3-8 cm. long, 

 2.5-7.5 cm. wide, subcoriaceous ; flowers 

 about 2 cm. wide ; stamens about 20 ; fruit 

 short-ellipsoidal to subglobose, crimson, 

 1-1.5 cm. thick, with rather prominent calyx, 

 spreading persistent calyx-lobes and yellow 

 mealy flesh ; nutlets usually 5, about 7 mm. 

 long ; nest of nutlets 9-10 mm. thick. 

 Region of Montreal. Fl. May ; f r. Sept. , Oct. 



56. C. subm611is Sarg. Leaves ovate. 

 broadly cuneate, acutely lobed, 4-11 cm. 

 long, 3-9 cm. wide, membranaceous, yellow- 

 green ; flowers about '2.~> em. wide ; xtain<'iis 

 about 10; fruit short-ellipsoidal to /<////- 

 form, orange-red, 1.5-2 cm. thick, with 

 persistent calyx -find yellow subacid 11' -sh : 

 nutlets strongly ridged on the back, (i-8 

 mm. long ; nest of nutlets 7-9 mm. thick. 

 Falls of Montmorency, Que. , to s. Ont., 



s. to Me., Mass., and Albany, N. Y. Fl. May ; fr. Sept. 



57. C. m611is (T. & G.) Scheele. Leaves broadly ovate, 4-1 :-J cm. long, 

 4-10 cm. wide, cordate to truncate at the base, slightly rugose, membranaceous, 

 densely tomentose below, with narrow acute lobes ; flowers about 2.5 cm. wide : 

 stamens about 20 ; fruit short-ellipsoidal to subglobose, scarlet, 1.5-2.5 cm. thick. 

 with deciduous calyx-lobes and yellow flesh ; nutlets usually 5, 7-8 mm. long ; 

 nest of nutlets 9-10 mm. thick. (C. coccinea, var. T. & G.) Common, s. Out. 

 to e. S. Dak., e. Kan., and s. to Ky. Fl. May ; fr. Aug., Sept. 



Var. sfcra (Sarg.) Eggleston. Leaves oblong-ovate ; fruit pyriform-ellipsnidal, 

 dull dark red. Occasional, s. Ont., s. Mich., and n. 111. Fl. May ; fr. < >ct. 

 . 58. C. champlain6nsis Sarg. Leaves 3-11 cm. long, 3-9 cm. wide, subcori- 

 aceous; stamens about 10; fruit short-ellipsoidal to pyrit'orm, bright scarlet ; 

 calyx rather prominent, its lobes spreading, persistent; nutlets strongly ridged 

 on the back, 7-8 mm. long ; nest of nutlets 8-10 mm. thick. Montreal I., s. 

 through the Champlain Valley. Fl. May ; fr. Sept., Oct. 



15. CORDATAE Beadle. Leaves ovate- 

 triangular, simply or doubly serrate 

 (often conspicuously Z-5-lobed), acu- 

 minate at the apex, rounded to cordate 

 at the base, 2-8 cm. long and ~wi<i<\ 

 bright green above, paler beneath, gla- 

 brous ; petioles 1.5-5 cm. long, slen<!< / , 

 corymbs m<iii>/-jf<>n-< red, glabrous; 

 flowers (ibmit 1 fin. n-iii, ; calyx-lobes 

 deltoid, cntirr. /it</n'sct')tt on the mar- 

 gin ; st-iiiH'tix itb,,nt'20\ anthers pink; 

 Styles I') ; fruit il,-i>n:xs,;l-gln1nitte, 

 4-6 mm. t1ii<-k. smrfi-t. with deciduous 

 calys-lobi-s <i,/<l thin jinn jh-sh ; nut- 

 lets 5, 3-4 mm. lung, '2-'2J> mm. thick, 

 smooth <>n tin- Ixn-k ; iii>c.i- ourr; si- 



nUB between tl niitl</* s/i<tl/<>n' ; shrubs nr simrlf trees. ;")-'. m. tall, 

 nnirhj <r<<-{ ni'iiin-lii's <t ml t/rayish-brown scaly bark ; tn-igs 

 thorns 2 "> on. long. 



Ttt. 0. phaonopyram. 



