5. A . rotundifolia, S c h r a d . ; St. G-9 in . 1., d e c id u o u s ly v illo s e ; barren
8 -1 2 in . 1., o f te n p ro lo n g e d a n d r o o tin g a t th e e x t r em i ty , 1 -2 in . b r . b e low , w i th
8 -1 2 p a i r s o f d is t a n t pinnce, w h ic h a r e 1 in . 1., f - | in . h r ., v e r y b lu n t , th e low e r
s id e o b liq u e ly t r u n c a t e a t th e b a s e , th e o u t e r ed g e f in e ly to o th e d ; textnre s u b c
o ria c e o u s ; rachis a n d surfaces f in e ly v illo s e ; veins f la h e lla te ; panicle 2 -3 in . 1.,
th e p e d u n c le s le n d e r, 3 -4 in . 1.— A . r a d i c a n s , /3 Raddi, F il. Bras. i. 11.
H a b . S o u th Braz il.
6. A . caudata, K a u l f . ; St. 6-9 in . 1., s lig h t ly v illo s e ; barren segm. 8 -1 2 in . I.,
o f te n p ro lo n g e d a n d r o o tin g a t th e a p e x , 2 in . h r . a t th e b a se , n a r r o w e d v e r y g r a d
u a l ly u p w a r d s , w ith 2 0 o r m o re p a i r s o f c lo se se s sile s u b d im id ia t e pinnce, w h ic h
a r e | - 1 in . 1., J in . h r ., th e p o in t b lu n t , th e ed g e fin e ly to o th e d ; texture s u b c o ria c e o u s ;
rachis a n d surfaces f in e ly p ilo se ; veins f la b e lla te ; panicle 2 -3 in . 1., l a x , o n a
p e d u n c le 3 -5 in . 1.— A . r a d i c a n s , Raddi, F il. Bras. t. 10.
H a b . Braz il.
7 . k . mandioeeana, R a d d i ; st. 6 -1 2 in . 1., d e c id u o u s ly v illo s e ; barren segm.
1 f t. o r m o r e 1., 2 - 3 J in . b r ., o b lo n g - la n c e o la te , th e low e r h a l f a b o u t e q u a l in
w id th ; pinnce in 2 0 o r m o re c lo se p a ir s , tlie p o in t n a r r o w e d , b u t s c a r c e ly a c u te ,
th e ed g e f in e ly s e r r u la t e , th e b a s e o n th e u p p e r s id e p a r a l le l w ith th e s tem , o n th e
low e r o b liq u e ly t r u n c a t e ; texture s u b c o ria c e o u s ; rctchis a u d surfaces f in e ly p ilo se ;
veins fla b e lla te ; panicle v e r y c om p o u n d , 3-4 in . ]., w i th a p e d u n c le lo n g e r th a n
its e lf .—Raddi, t. 9 . I lk . G. F . t. 30 (non Gen. F il. t. 9 0).
H a b . B raz il.—V e ry d o u b tfu lly d is tin c t from th e preceding.
8 . A . collina, R a d d i ; st. 8-1 2 in . 1., f irm , e re c t, d e n s e ly c lo th e d w i th fin e f e r r u g
in o u s s p r e a d in g h a i r s ; barren segm. s e s sile , 6 -1 2 in . 1., 2 -3 in . h r ., w i th a b o u t
1 2 se ssile o n e a c h s id e , w h ic h a r e 1 -1 J in . 1., f - J i n . h r ., u n e q u a l- s id e d ,
o b liq u e ly t r u n c a t e h e low , b lu n t , s u b e n tir e ; texture s u b c o r ia c e o u s ; racliis c lo th e d
w itl i h a i r s lik e th e s tem ; venation f la h e lla te ; panicle 2 -3 in . 1., c lo se , th e p e d u n c le
4 -6 in . 1.—Raddi, Fil. Bras. 1.1 2 . H k . F il. E x . 1.1. A . v e lle a , Schrad. A . h i r t a ,
J . Sm. (no n Sw.).
H a b . B ra z il.—This comes n e a r to th e two preceding, b u t tb e stem is densely fe rru gineo
tomentose, an d tb e p in næ a re d is ta n t an d less numex’ous.
t t B a r r e n segmen t su b d eito id . S p . 9 - 1 2 .
9 . A . glareosa, G a r d n e r ; st. 4 -5 in . 1., f irm , e re c t, w i th a d p re s s e d f e r r u g in o u s
h a i r s ’; barren segm. se ssile , u n d e r 2 in . 1., 1-1J in . o v a te -d e lto id , w ith a t e r m
in a l lo b e a n d 3 -4 o b io n g b lu n t pinnce J in . b r . o n e a c h s id e , o n ly th e low e s t p a i r ,
w liic li a r e s om e tim e s lo b e d o n th e low e r sid e a t tl ie b a se , r e a c h in g d ow n to th e
ra c liis ; texture s u b c o r ia c e o u s ; rachis a n d surfaces fin e ly v illo s e ; veins f la h e lla te ;
panicle 3 -4 in . 1., w ith d en s e s h o r t e r e c to - p a t e n t b r a n c h e s , th e p e d u n c le u n d e r
1 in . 1.— Gard. Sert. P I. t. 70 . A . G a r d n e r i a n a , Presl.
H a b . S o u th Braz il, Gardner 4086, B w c h e tl 6594-2.—M o st lik e oblongifolia in te x tu re ,
b u t th e p ed u n c le much sh o rte r, au d rem a rk ab le for tb e b a rre n segmen t b e in g tru ly
p in n a te only a t th e base.
10 . A . Breuteliana, P r e s l ; st. 6 -1 2 in . 1., s l ig h t ly v illo s e ; barren segm. se ssile ,
4 -9 in . 1., ] J - 4 in . b r ., s u b d e ito id , w ith 6 -9 p a i r s o f sossWe pinnce, w h ic h a r e o h lo n g ,
o b tu s e , r a t h e r u n e q u a l- s id e d , e n t ir e o r p in n a tif id in th e low e r p a r t , a n d g row
sm a l le r g r a d u a l ly u p w a r d s ; texture su b c o ria c e o u s ; raehis a n d h o th sides n e a r l y
n a k e d ; panicle 2 -4 in . 1., l a x , th e p e d u n c le s 3 -0 in . 1.— A . m a n d io c c a n a , H k ,
Gen. F il. t. 9 0 . and Griseb. (non R addi).
H ab . Mexico an d 'West In d ie s to B raz il a u d P e r u .—A well-mark ed an d w id ely -d istributed
p la n t w ith a confused synonymy. P ro b ab ly i t is A . hirta, Sw. ; b u t P lum ie r’s
figure (t. 157) is much s tro n g e r an d more h a iry th a n an y of o u r specimens. M e tten iu s
re fe rs h ere A . filifo rmis, Swz., b u t we h ave th o u g h t i t b est to drop both names. A . incisa,
S chrad., an d A . p a llid a , Gardn., are ap p a re n tly a sub p in n atifid variety , an d A . hisp id a ,
K z e ., an d Pohliana, S tu rm , e ith e r belong h e re or a re closely allied.
11. A. L a n g sd o r ffia n a , P r e s l ; ,st. 8 -1 2 in . ]., r a t h e r d e n s e ly v i l lo s e ; b a rren
segm. se s sile , s u b d e ito id , a b o u t 6 in , 1. b y n e a r ly a s b r., wdth 6 p a i r s o f se ssile
p in n æ , w ith n e a v ly th e i r ow n b r e a d th b e tw e e n th em , th e low e s t th e la rg e s t, 2 J
in . 1., | - J in . b r ., th e tw o s id e s n e a r ly e q u a l a t th e b a s e , th e a p e x a c um in a te ,
th e ed g e s e r r u la t e ; te x tu r e s u b c o ria c e o u s ; ra ch ise s f in e ly p ilo s e ; a m id r ib n e a r ly
to th e ])o iiit ; p a n ic le 2 -3 iu . 1., wdth a p e d u n c le a b o u t e q u a llin g i t in le n g th .-—.
L a n g , é F is c h . i. 2 8 . H fa o
H ab . S o u th Brazil, as figured by L an g sd o rf.—We have a specimen g a th e re d in Bah ia
by Salzmann, an d a sinnlav one, b u t with th e lower pinnæ deep ly lobed, g a th e red by
F e n d le r (No. 12) in Ven ezu e la. P ro b ab ly it is a fi ee'-veined form of A . P h y llitid is, which
it resembles closely in h ab it.
1 2 . A . m e x ica n a , K lo tz s c h ; s t. 0 -1 2 in . 1., firm , n a k e d ; b a r r e n segm. o n a s t a lk
1 in . o r m o re 1., 0 -9 in . 1., 4 -6 in . h r ., w ith 4 -6 p in n c e o n e a c h s id e , th e low e s t th e
l a r g e s t,.d is tin c tly s ta lk e d , o v a te - la n c e o la te , 2 -3 in . 1., f - j in . b r ., r o u n d e d o n b o th
s id e s a t th e b a se , th e ed g e v e r y s lig l itly c r e n a te ; te x tu r e c o ria c e o u s ; ra c h is a n d
su r fa c e s cpnto n a k e d ; a d i s t in c t m id r ib from th e b a s e to th e a p e x ; p a n ic le 3 -4
in . 1., w ith d en s e s h o r t e r e c to - p a t e n t b r a n c h e s ; 1 -4 in . \ .— H k . I c . t. 9 8 8 .
K u n z e , t. 131.
H ab . N ew Mexico an d T ex as to G u a tem a la .—Al. speciosa, P re s l (H k . 2nd Cent. t. 66),
13 a reduced form, with only a single p a ir of pinnæ. This is well m a rk ed by its n ak ed
coriaoeous pinnæ, lyfth a very d is tin c t midrib.
* * P i n n æ o f b a r r e n segment p in n a t i f i d o r biqoinnatijid. S p . 1 3 -1 8 .
1 3 . A . h ir s u ta , Sw . ; s t. 6 -1 2 in . L, s le n d e r, n a k e d ; b a r re n segm. 2 -6 in . !., 1 -3
in . b r ., se ssile , o b lo n g -d e lto id , b ip in n a ti f id ; p in n æ in 0 -8 o p p o s ite p a i r s , 1 - l J
in . 1., J - j in . b r., v a r y in g f rom o lilo n g , o litu s e , s u lie n tir e , t r u n c a t e a t th e b a se o n
th e low e r side, to d e e p ly p in n a tif id w itli n a r r o w d iv is io n s ; te x tu r e su b c o ria c e o u s ;
ra c h is a n d su rfa c e s s lig h t ly p ilo s e ; p a n ic le 1-2 in . 1., close, th e p e d u n c le 2 -6 in . 1.,
s le n d e r .— P lu m . t. 162. k . r e p e n s , R a d d i , t. 9. b. A . c i lia ta , P r e s l .— /3, A . te n e lla ,
Sw . ; p in n æ c u t d ow n to th e r a c h i s in to lin e a r d iv is io n s , w ith a c o n s id e ra b le sp a c e
b e tw e e n th em , th e low e r o n e s fo r k e d o r tr if id . A . d is s e c ta , P r e s l .
(A. humilis, H k . E x . F l. t. 28. non Sw.), ap p e a rs to be a red u ced form w ith su b en tire
pinnæ.
1 4 . A . tomentosa, S w . ; st. 6 -1 2 in . 1., s tro n g , e re c t, c lo th e d w-ith d e c id u o u s f e r ru
g in o u s h a i r s ; b a r r e n segm. 6 -1 2 in . 1., h a l f a s b r ., o v a te -d e lto id , b ip in n a tif id o r
b ip in n a te ; low e s t p in n æ tlie la rg e s t, th e b lu n t lo b e s o fte n J - j in . 1., J in . b r .,
n e a r ly u n c u t ; te x tu r e s u b c o ria c e o u s ; ra c h is a n d su rfa c e s d e n s e ly jiilo se ; v e in s
fin e , fla b e lla te ; p a n ic le 4 -9 in . 1., l a x , tb e p e d u n c le 1-2 in . 1.— A . fle x u o s a , S w .
R a d d i , t. 13. H k . P i l . E x . t. 3 0 . A . v illo s a , I I B . K . A . d e lto id e a , S w .—■
f 3 ,A . f u l v a , S w . -, sm a lle r , m o re c o r i a c e o u s ; b a r r e n segm. t r i - o r ev e n q u a d r i p
in n a tif id , th e u l t . d iv is io n s m u c h sm a l le r a n d s h a rp e r .—I l k . F . E x o t. t. 2 6 .
A . a n th r is c ifo lia , S c h r a d ,
H ab . Mexico an d W e st In d ie s to P e ru an d Mo n te V id eo .—Th e two v.arieties look very
diffe rent in th e ex trem e forms, b u t ap p e a r to slide into one an o th e r g rad u a lly . Th e
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