1 . 7. InruHirU . . . . 



ytw.pitiiftt^rrufa 



2. /. pytimna . , . . 



3. 1. Tutkermatti , 



4. /. echinofporn 

 vur. lirnuiiii,. . 



Var, fdhusta . .. 



vur. BofUtii.. . 



vur. iniin'rafri. 



5. /. TiiiUin(if:ri . . . 



6. /. saceharatti , , 



7- y. riparia 



8. /, uithmuHpitrQ^ 



9- 7- JCfujf'lmnnni^^ 

 var. fjraci/is , , . 



var. volit/n , _ 



Tar, Oeovyiuna 

 L Howellii 





10. 



11. /. JidvrUia 



^ d * 



12. 



14, 

 15. 



var. pnViila,,,^ 

 I. iiutltri 



y&X.iniinncuUita 



L j\uttaHii 



/. Cuhnuff 



• 4 

 tt 



ii 



auiplh 



a 

 a 



it 

 it 



it 



n 



ani]>Il> 



a 



teiT. 



t4 



TABULATED CIIATIACTEES OF THE XOTITII AMERICAN TSOETES. 



2 

 2 



2 



'1 



2 

 2 



2 

 2 

 2 

 2 

 2 

 2 

 2 

 2 



2 

 2 

 2 

 2 

 2 



a, 



2 

 3 



LEAVES. 



Num- 

 ber. 



liiflieH. 



1 





10 



-25 



10- 



-1« 



5- 



-lu 



10- 



-30 



15- 



-30 



25- 



-70 



12- 



-30 



15- 



-30 



2— 

 2— 



H- 

 2- 



5—20 



10—20 



15—30 



5- 10 



25— UK) 



8— 12 



50—201' 



15 

 10—25 

 10— :lo 



10-15 

 30 



15— no 



lU-15 



8—12 



20—60 



15— fiO 

 30—40 



(i 

 4 

 I 

 3 



3- G 



5- 8 



i— 5 

 6—12 



2- 

 4. 

 2 



n 







IH- 



111- 



5- 



15 



-4H 



- 3 



- 8 



■ 2M 

 -20 



-12 



■12 



■ 8 

 24 



5 



c& 







ft 





 





5— 6 

 IS 



5-16 

 8-15 

 3- 7 



6- 9 

 3- 9 



15 



few 



in any 



few 



ti 



ti 



nuuiv 



it 



a 



4i 

 ii 



ii 



iv\y 



many 



ti 



it 

 it 

 4i 

 tt 

 t( 

 a 

 it 



1 









 

 





 





 









 

 

 4 

 4 

 4 

 4 

 4 

 4 



4 

 4 



4-h 

 4 



4 



4 



3 



« 



oj 





b. 

 b. 



hh. 



hh. 



h. 



n. 



h. 



c. 



n. 



n. 

 h. 



V . 



b. 



c. 



c. 



c. 



nn 

 nn 



c. 

 n. 



ic. 

 If. 



flp. 

 sp. 



If. 



IP. 

 fp. 



U\ 

 W. 



tr. 



If. 

 w. 

 tr. 

 ir. 



ir. 



up. 



Np. 

 sp. 



W. 



w. 



MACUObi'ORES. 



liiimulc'i", 

 nilllhiu'tt-rs. 



Smiiice. 



^iiriiosroKKS. 



0.00-0.80 



O.n2-O.GO 

 0,.T6— 0.50 

 O.U-0.55 



} 



0. 10— 0.50 



0.36-0.55 



0,10—0 50 

 O.M- U.58 



0.30—0.45 



O.'IO— 47 

 0.44— 05 

 0.35—0.45 

 0.40-0.52 

 0.38—0.48 

 0,32-0.48 

 n.4S-0.5fi 

 . i-H—0 . 48 

 30-0.42 



0.30-0,33 

 0.44—0.55 



0.25-0,40 



0.50-0. (IT 



O.40-O.5ti 

 , 32—0 . 52 

 0.30— 40 



Cristate ' 



1 4 



Mitiutely tnberuulatetl 



Crlsiiite'abuve, retlcu- 

 liitc below 



Spluuloae 



With lodger sleii'lertT 



Bplnes.. 

 '( ft ii 



With shorter coiiflii- 

 enl spin(8 



Sparsely ami Tiilniitely 

 tuberculiUeU '. 



Mimitoly liilicrcninted 



Cristate 



Mliiiitfly liiburciilale' 



Keticulated 



If 



Coarsely tubereulated 



(.'(tarsiJly ti.herculated, 



tub. oiten confluent 

 " .. it 



** often pmootJi above 

 *t tt It ft / 



^riiuitoJy tiibcreiUate*- 



do. or nearly sinootb 



!MluulL'ly tiibercu kited 



Coarsely iMbercuIaled. 



I-en^'-tli, 

 niHliniel. 



NATIVK < orNTItY 



Snrfai'c. 



. im 



. 026 



0,021 



, 020 



■4fi 

 •3ii 

 21) 



32 



Nearly do 



f I 



0.026-30 



026-31 



U. 026-3 



0.028-32 



0.026-31 

 0.024-2ti 



0.02ft-34 



. 027— 3t) 

 0.024-28 

 0.024—28 

 0.1124—27 

 . 028—3 1 



SniuoUilsb 

 SJliiuulh . I 



Sniootb. .„ 

 iSiuootldsh 



L 



I 



(( 



Piipillose . 



ti 



Smootblsh 

 II 



({ 



Splniilose, 

 iSiuuotli ... 



Xorlli'ji X.York (oT.ake Siip'r 

 Koeky Mountains ,t California 



Califoriiian Aluiinlaiusi. 



New Enjiland. 



Peuuaylvauia nurlhward and 

 noriTiwestwiird and to Utah. 



New England. 



it 

 it 



0,027—30 

 . 023—30 



0.023—3* 



0.029— :? I 



0.025-28 

 0.024-27 I 



Pajilllose . 

 Splnnlosu. 



Calif.. Ore^., Kocky ^founl'ns. 



! Maryland. 



■Pennsylvania to NewEn^luiid. 

 Georgia. 



nelawaretoN.Kn}r..^'^IIssouri. 



PennBylvaniatoXewEnjrlaiid. 



P(Minsy]vania- 



IreorKia. 



OrefTun. 



Florida. 



K » * * * • 



Pai>ilIose . 



ra|)UIose . 



ii 



ii 



*i 



Illinois to Tndbin Territory 



Texas. 



Indian Territory. 



TtMinessee. 



\\ estoru Idaho to Oretron. 



Cuba. 



EXPLANAT lO XS. 



Vegetation 



Velum — n means narrow; fm, very narrow: ^, broad; dlf, very broad; c, closed. 



Sporangium -w means white or unspotted; f/, spotted with dark sclcrenchjm-ceils. 



submerged, amphibious, or terrestrial. 



O 



H 



> 



o 

 c 



> 



d 



t 



2 

 a 



