ASPLENIUM. 



79 



fymb'id at the top , calyx lax-imbricate ; 

 scales lanceolate, obtuse ; rays large. _ 



nova-ang'/ire, (b-p. Au. 2^.) leaves linear- 

 lanceolate^ pilose, clasping, auriclcd at the 

 base ; stem sub-simple, pilose, straight, and 

 stilF; flowers sub-sessile, tenninal, crowd- 

 ed; scales of the calyx lax, colored, lance- 

 olate, longer than the disk. In rich soil it 

 gi-ows 10 ieet high. Plowers large. 



cya'nens, (b. p. Au. 1(.) leaves hnear- 

 lanceolate, clasping, smooth ; stem wand- 

 like, panicled, very glabrous ; branches 

 raceraed ; scales of the calyx lax, lance- 

 olate, equalling the disk, inner ones col- 

 ored at the apex. 3-4 f. Flowers many 

 and large. This is the handsomest of the 

 asters. 



tennifo'l'ms, (w. Au. 2^.) leaves linear- 

 lanceolate, tapering to both ends, margin 

 hispid ; stem glabrous, branching, erect ; 

 branchlets 1-flowered; involucre imbricate; 

 scales oblong, acute, lax. 



hyssopifolius, (star-flower, w. y. p. Au. 

 Oc. 2^.) leaves linear-lanceolate, 3-nerved, 

 dotted, acute, margin scabrous ; branches 

 fastigiate, rlustered ; rays about 5-flow- 

 ered ; involucrum imbricate, twice as short 

 as the disk. 1-2 f. Sandy fields andj 

 woods. 



humiVis, (w. Au. 2^.) leaves sub-rhom- 

 boid, oval-lanceolate, acuminate at both 

 ends, sub-petioled, glabrous, margin his- 

 pid ; corymb divergingly dichotonious, na- 

 kedish ; few-flowered ; involucre lax-im- 

 bricate ; rays 8-flowered ; a foot high. 

 Flowers large. 



amygdali'nus, (w. ll-) leaves lanceolate, 

 tapering to the base, acuminate, margin 

 rough ; stem simple, level-top-corymbed ; in- 

 volucre lax-imbricate ; scales lanceolate, 

 obtuse ; rays large. 



encoi'des, (w-y. Au. 2^.) leaves linear, 

 very glabrous ; those of the branchlets sub- 

 ulate, approximate ; cauline ones elonga- 

 ted ; involucre scurfy ; leaves acute ; stem 

 glabrous ; flowers small. 



B. Leaves more or less cordate and ovate, 

 serrate, or toothed, 



diversifo'lius, (E. y. p. S. 24^) leaves 

 nearly entire, undulate, pubescent, sub-sca- 

 brous ; lower ones cordate, ovate, with 

 winged petioles; upper ones lance-oblong; 

 panicle loose, the branches slender, race- 

 mose. 3 f. 



panicnla'tus, (b-p. Au. to Nov. 2^.) leaves 

 ovate-lanceolate, sub-sen-ate, petioled, gla- 

 brous ; radical ones ovate, heart form, ser- 

 rate, rough, petioled ; petioles naked ; stem 

 very branching, glabrous; branchlets pi- 

 lose ; calyx lax, sub-imbricate. 2 4 f. Flow- 

 ers smallish, numerous. 



cordifo'Uus, (w. S. 2^.) leaves heart-form, 

 pilose beneath, sharp-serrate, petioled ; pet- 

 ioles winged ; stem panicled, smoothish ; 

 panicles divaricate ; calyx lax, sub-imbri- 

 cate ; flowers small. 



coryml/o'sua, (w. Au. 2_f.) leaves ovate, 

 sharp-serratet acuminate, smoothish ; lower 

 one heart-form, petioled ; petioles naked ; 

 stem glabrous, li>vol-lop-corynibt'd above; 



branches pilose ; calyx oblong, imbricate , 

 scales obtuse, very close-pressed. 12 14 i 

 Flowers rather large. 



undulnftus, {2X-) stem-leaves hcart-ob- 

 long, clasping, undulate, scabrous, toothed 

 near the summit; branches of the panicle 

 expanding, few-flowered; involucre sub- 

 squarrose ; flowers large. 



macro' fhyVlw^, (w. b. Au. 2_f.) leaves 

 ovate, petioled, serrate, rough ; upper ones 

 ovate heart-form, sessile ; lower ones heart- 

 form, petioled ; petioles sub-margined ; stem 

 branching, dift'used ; involucre cylindric, 

 closely imbricate ; scales oblong, acute. 

 1-2 f. Flowers largish. 



C. Leaves lanceolate and ovate, lower ones 

 serrate. 



amplexicau'lis, (b. S. IX •) leaves ovate- 

 oblong, acute, clasping, heart-form, serrate, 

 glabrous ; stem panicled, glabrous ; branch- 

 lets 1-2-flowered ; scales of the calyx lan- 

 ceolate, closely imbricate; flowers middle 

 sized. 



vcrsic"olor, (y-w. Au. 2^.) leaves sub- 

 clasping, broad-lanceolate, sub-sen-ate, gla- 

 brous ; radical ones serrate in the middle 

 stem very branching, glabrous ; scales of 

 the Calyx lanceolate, lax, shorter than the 

 disk ; flowers many and large, elegant. 



tardiflo'rus, (b. Oct. 11.) leaves sessile, 

 serrate, glabrous, spatulate-lanceolate, ta- 

 pering to the base, deflected at the margni 

 and both sides ; branches divaricate ; calyx 

 lax, the leafets lanceolate-linear, sub-equal, 

 glabrous; flowers not middle size. 



conyzo'ides, (w. Ju. 21. 1 leaves oblong, 3- 

 nerved, nanow and acute at the base ; up- 

 per ones sessile, sub-entire ; lower ones pe- 

 tioled, serrate ; stem simple, corymbed at 

 the top ; calyx cylindric, scurfy ; rays 5, 

 very short. About 12 inches high. Flow- 

 ers small. 



carolinia'mis, (p. Oct. 2^.) stem shrubby, 

 flexous, much-branched, pubescent ; leaves 

 sessile, oblong-lanceolate, tapering at each 

 end ; scales of the calyx lance-linear, very 

 pubescent, sub-squarrose. 10-12 f. S. 



chinen"sis, (china aster, @.) leaves ovate, 

 thickly toothed, petioled ; cauline ones ses- 

 sile, at the base wedge-form; floral ones 

 lanceolate, entire ; stem hispid ; branches 

 1-flowered ; calyx foliaceous. A variety 

 has very fuU flowers; various colored, and 

 very short rays. Ex. 



prcnan"thoi'des, (b. 2/.) leaves clasping, 

 spatulate lanceolate, acuminate, serrate in 

 the middle, heart-form at the base ; branch- 

 lets pilose; scales of the involucre lanceo- 

 late, scurfy. 



€m"ine)is, (y-r. S. 11.) leaves lance-linear, 

 acuminate, scabrous at the margin ; lower 

 ones sub-serrate ; stem panicled ; branch- 

 lets 1-Howered ; involucre lax-imbricate, 

 with lanceolate leaflets. 



grand ijlo'r us, (p. y. Oct. li.) leaves 

 sub-clasping, linear, subulate, rigid reflex, 

 with the margin ciliate and hispid; stem 

 hairy; branches 1 -flowered; involucre sqaar- 

 rose ; the scales linear-hinreolate. '^ ' 

 S. 



