218 



ADIANTUM 



ADIANTUM 



mended for adiantunis in general with the exception of 

 a niiu-h hipher tonipcraturo, li.")° to 70° at nifjlit and T'l^ 

 to SO" liuriiiK the ilav. The variety Glory of Moor- 

 droeht hiu; the preat advaiitase of prodiK'iiij; fertile 

 sport's and it also thrives in tlie lower toniperuture.s 

 nH'oniniended for general adiantuins. it gives promise 

 of beini; one of the most useful varieties for deeonitions 

 and eut-frv)nds use, as the fronds are very niueh hardier 

 than t\pieal .1. Farlci/citsc and will compare well with 

 sueh kinds for standing !is .1. cuucatum, A. hybridum 

 and .1. Croweanum. 



acutum, 21. 



amu/rjm. 33. 



sthiopicuai. 28. 



affine. 10. 



amabilr, 34. 



anci tense, 26, 



assimilf, 28, 



Bardii, 33, 



Bausfi, 21, 



bellum, 31, 



Bessoniaj, 32, 



Capillus-VenerU, 30. Jordanii, 22, 



caudatuiu, 2, Kaulfussii, 5. 



Collisii, 24. I^thomii, 21, 



concinnutn, 2.5. latum, 2.5. 



Croweanum. 33. Ledrandii, 39. 



cuuealum, 33, lunutatum, 1. 



curvatum, IS. macrophyllum, 4. 



cychsorum, 35. Mairisii, 30. 



decorum, 35. monochlamys, 37. 



diaphanum, 9, Moorci, 34. 



difdiatum, 40. mundulum. 33. 



INDEX. 



ezcisum, 29, pedalum, 17, 



Farleyense, 20. peruvianum, 3, 



Ferounoiiii, 30, platypliyllum, 6, 



fonnosum, 13, polypbyllum, S, 



fraurfuili:sstmum, 33 priucttis, 21, 



fulvum, 11. pubi^srins. 19. 



gracillimum, 39. puiveruk'ntum, 14. 



grandiceps, 33. rftDtlo/jhiiUum, 21. 



hispiilulum, 19. rfnnnhoi'h um, 15. 



hybriihtm, 33. nitn-lliim. ilti. 



intermedium, 12, Siirict:i-Calharinx,7. 



setulusitm, 9, 

 Siebrechtii, 35, 

 speciosum, 40, 

 tenerum. 21, 

 tinctum, 27, 

 trapeziforme, 7. 

 variegatum, 33, 

 venu-stum, 38, 

 vemaillense, 33, 

 Vicloriie, 21, 

 villosum, 1.5, 

 novse-caledoniffi, 10. WaRneri, 35. 

 Owenii, 35. W ieqandii, 35, 



palmatum, 40, Williamsii, 23, 



dolabri/orme, 1, 

 Edgeworthii, 2, 

 eUoanx, 35, 

 cmarginatum, 22, 



A, Lvs. with a single row of small Ifts. on either side, 

 rooting at the apex. 



1. lunulatum, Burm, (A. dolabrifdrme, Hook.}. Lvs, 



1 ft, long on blaekish, wiry, polished stalks; lower Ifts. 

 nearlv semicircular, all on hair-like stalks, India, 

 Tropl .\mer., .\ustral. G. 6:203. 



2. caudatum, Linn. {A. Edgeworthii, Hook.). Lvs. 

 6-12 in. long, on short, brownish, densely hairy stalks; 

 Ifts. deeplv cut into several spreading narrow lobes. 

 Old World", Gn, m, p. 3L5. 



AA, Lvs. with usually a single row of large Ifts. on either 

 side, not rooting at the apex. 



3, peruvianum, Klotzsch, Lvs, 1 ft, or more long, 

 on polishcil stipes, with obliquely ovate pointed Ifts, 



2 in, long by I'i 'n, wide, on slender stalks; sori 8-10 

 on cither side of the Ifts,, twice as long as wide, Peru, 



4, macrophyllum, Swartz. Lvs, 1 ft, long, on rather 

 stout polished stipes, with 4-6 pairs of wedge-shaped 

 sessile Ifts. lJ':i-2 in. long by H-l in. wide; indusium 

 nearly continuous on either side of the 1ft. Trop. 

 Amer, 



.5, Kaulfussii, Kunze. Lvs. 6-8 in. long, on slender 

 black stalks; Ifts. .5-11, 2 in. long, 54-I in. wide, with 

 unequal base; indusia very long and narrow, forming an 

 almost continuous marginal band on either side of the 

 Ifts. Mox., \V. Indies. 



6. platyphyllum, .'^wartz. Lvs. 1-2 ft. long, stalks 

 blai'k, glossy, If.-bladi'S 0-12 in. long, 2—1 in, broad, 

 with a long tenninal pinna and 3-6 pairs of lateral 

 pinna;; lowest pinna; sometimes pinnately divided; 

 segm. 3-4 in. long, lK-2 in, broad; sporangia in 

 nearly continuous line along the margin. Cent, Amer, 

 to Brazil and Bolivia, 



AAA. Lvs. at least hipinnale, the segms. twice as long as 

 broad, with the veinlets all springing from the lower 

 side. 



B, Lfls. l]/i-3 in. long. 



7. trapeziforme, Linn. Lvs, 18 in, or more long, with 

 the terminal Ifl. longer than the lateral; Ifts, trape- 

 zoirial, J4"J4in- wide, lobed, and with numerous sori. 



A. Sdncta'-C(ithar)n:i' is a form with deeper lobes, Trop. 

 .\mer, 



HH, Lfts. sniidler, an inch or less long. 

 V. Stalks polishcit, smooth. 



8. polyphyllum, VVilld. Lvs. often tripinnate, with 

 stout, black stalks; piniue 6-8, long, with closely set lfts, 

 which are -'.il in. long, the upper margin curved, with 

 4-6 circular or oblong indusia, S, Amer. 



9. diaphanum, Blume {A. .■iclnldsum, J. Smith), Lvs, 

 simply piiuiate or usually 2-pinnate at the ba,se; lfts, 

 J2in, long, i4in. wide, with niunerous sori placed in 

 the sinuses of the inner and outer edges. Asia to New 

 Zeal, 



10. affine, Willd. Lvs. bipinnate, with a terminal pinna 

 and several lateral ones; lfts. not exceeding ^^in. long, 

 J'jin. wide, the upper edge parallel with the lower, and 

 crenalc, bearing numerous rounded sori on the upper 

 and outer margin. New Zeal. 



11. fiilvum, Raoul. Lvs. l.')-20 in. long, the stalks 

 erect, tlark brown, shiny, rough below with long hairs; 

 the If.-blades 9-12 in. long, 6-8 in. broad, deltoid, 

 2-pinnate, the segm. 54in. long, J^^in. broad, dimidiate, 

 lower edge straight, the upper edge parallel with 

 sharp-tooth lobes; the sori uniform, numerous. New 

 Zeal. 



cc. Stalks polished but someivhat woolly. 



12. intermedium, Sw.artz. Lvs. 1 ft. or more long, 

 with a terminal pinna and 1-3 lateral ones on each side; 

 lfts, 1 in, or more long, with interrupted sori on the 



upper and two-thirds 

 of the outer margins, 

 Trop, Amer, 



ccc. Stalks rough or 

 hairy. 

 13, form6sum,R, Br, 

 Lvs. 1-2 ft. long, two- 

 thirds as broad, mostly 

 tripinnate, with rough, 

 scabrous stalks and 

 rather small, deeply 

 lobed lfts. >2-5i in. 

 long, with rounded and 

 toothed outer margins. 

 Austral, G. 20:769. 

 14. pulverulentum, Linn. Lvs. often a foot long, with 

 a large terminal pinna and several lateral ones, bipin- 

 nate; stalks purjilish, hairy, as are also the rachises; 

 lfts. ?i-l in. long, '^in. wide, closely placed, the outer 

 edge rounded or truncate. VV, Indies, 



1.5, villosum, Linn. {A. rhomboldeum, Swartz). Lvs. 

 large, with a terminal anrl several lateral pinna> 6-12 in. 

 long, on stout, villous-hairy stalks; lfts. numerous, 

 nearly 1 in. long, J sin. wide, trapezoidal, with the inner 

 side jjarallel to the rachis; indusia forming an almost 

 continuous line along the upper and outer margins. VV, 

 Indies and S, Amer. 



16. n6vae-caled6niae, Keys. Lvs. 6-8 in. long and 

 wide, somewhat jjcntagonal, once pinnate with one or 

 two secondary basal ])innffi on the lower side at base; 

 lfts. attached to the rachises by a broatl base, nearly 

 1 in. long, pointed, irregularly incised, bearing 1-4 

 rounded sori next to the base. New Caledonia, 



AAAA, Lvs. forked, the two branches bearing pinnx from 



the upper side. 



B. Stalks polished, .smooth. 



17. pedatum, Linn. Fig. 120. Common MAroENHAiR 

 of our northern states, with circular lvs. on purpli.sh 

 stalks 1 ft. or more high. — Sometimes transplanted into 

 gardens, requiring a shady, moist and protected place, 

 G. 21:9. 



18. curvitum, Kaulf, Lvs, forked and with the main 

 divisions once or twice forked; lfts, 1-1 J^ in, long, 



120, Fruiting pinnules of Adiantum 

 pedatum, ( XI) 



