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148 FERNS OF NORTH AMERICA.
Botrychium lunaroides, S w a r t z , Syn. Fil., p. 172.
Botrychium lunarioidcs, T o r r e y , FI. New York, ii,, p. 506. — G r .y v , Manual,
ed. i., p. 635, etc. — E aton, in Chapman’s Flora, p. 599.
Botrychium rutaceicni, S w a r t z , in Schraders Journal, 1800, ii., p. 1 10 (in
p ar t); Syn. Fil., ¡5. 17 1 (in part). — S c u k u h r , Krypt. Gew.,
p . 157 (in part), t. 155, fig. a.
Botrychium fumarioides, W il ld en ow , Sp. PL, v ., p. 63. — P u r sh , FL Am.
Sept., ii., p. 655. — B r a c k e n r id g e , Fil. U. S. Expl. Exped., p. 316.
Botrychium obliquum, M u h l en b e r g , in Willdenow, Sp. PL, v., p. 6 3 .—
P u r sh , FL Am. Sept., ii., p. 655. — H o o k e r , FL Am. Bor., ii.,
p. 265. — F o u r n ie r , Mex. PL, Crypt., p. 14 1.
Botrychium dissectum, S p r e n g e i ,, Anieitung, p. 172 (Engl, version, p. 187).
— M u h l e n b e r g , in W il ld e n ow , Sp. P L , v ., p. 6 4 . — S c h k u h r ,
Kr)^pt. G ew ., p. 1 5 9 , t. 1 5 8 . — P u r sh , F L Am. Sept., ii., p. 6 5 6 .
Botrychium inatricarioides, W iix d e n o w , Sp. PL, v., p. 62. — P r e s l , Suppl.,
p. 44. — M o o re, Index Filicum, p. 210.
Botrychium australe, R. B rown, Prodromus, p. 164.
Botrychium silaifolium, P r e s l , Relig. Haenk., i., p. 76 ; Suppl. p. 45.
Botrychium decompositum, M a r t e n s & G a l e o t i i , Syn. Fil. Mex., p . 15 , t. i.
— L ie bm a n n , Mex. Bregn., p. 153.
Botrychium rutaifolium, A l . B r a u n , “ in Doell, Rheinische I'lora, p. 24.” '—•
K och, Syn. FI. Germ., “ ed. ii., p . 972,” ed. iii., p. 729. — M il d e ,
Nov. Act. Acad. Nat. Cur., xxvi., ii., p. 690, t. 53, figs. 197-200,
t. 54, fig. 207. t. 55, fig. 9.
Botrychium sub-bifoliatum, B rzVCk e n r id g e , Fil. U. S. Ex. Ex., p. 3 17 , t. 44.
Botrychium cicutarium, J. D. H o o k e r , Handbook of N. Zeal. Flora, p. 387
(not of Swartz).
The most distinct of the many North-American forms of this variable
species may be arranged thus : —
Var. lunarioidcs: — Plant of small size; sterile segment thrice or four
FERNS OF NORTH AMERICA. H 9
times ternate; ultimate divisions, roundish-reniform ; veinlets flabellately
forking.
Botrypus lunaroides, M i c h a u x ; 1. c. — Botrychium ternatum, C ) Americanum,
a. lunarioides, M i ld e , Botr. Monogr., p. 162.
V nc. rutcefolium : — Plant of small size; secondary divisions of the
sterile segment oblong-ovate, rather obtuse, or barely pointed, near the
base cut into a few short lobes having their base very unequal, cordate on
the lower side, rounded or sub-truncate on the other, the margin entire or
sparingly crenate.
Botrychium rutafolium, A l . D k au n , 1. o. — B . icnmium. A ) Europceum,
M i ld e , Botr. Monogr., p. 148.
Var. azcstrale .- — Vmnt ample, often very large; sterile segment
decompound ; tertiary or quaternary divisions ovate-oblong, siib-acutc, pinnatifid
; ultimate segments broadly ovate or roundish-rhomboid, the base
rounded on the lower side, and erect or truncate on the other; margin
crenulate or denticulate ; veins diverging from a midvein. Ih e fully developed
typical form of the species ; —
Botrychium australe, R . B r o w n , 1. c. — B . decompositum, M a r t e n s & G a i .e -
OTTi, 1. c .— B . ternatum, B ) Australasiaticum, «. vulgarc, M i ld e ,
Botr. Monogr., p. 157.
Sub-var. intermedium less in size than australe, the ultimate
segments fewer and smaller.
B . lunarioides. G r a y , Manual of Botany (not Botrypus lunarioides of
Michaux).
obliquum : — Plant small or large; sterile segment with ovate-
lanceolate pointed pinnatifid secondary or tertiary divisions, the lower
segments of them roundish or obliquely ovate, the margin crenulate or
toothed ; veinlets diverging from a midrib.
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