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Patria, Per Gcrnianiani, Galliam et in Pyrenaeis oc-
eiilcntalibus prope Aq. Tarbellicas; S p r u c e ; in arenosis
humidis umbrosis cxsiccatisque inuiidatis rarius occurrit.
In collibus arenosis sylvaticis prope Waren in terra Ale-
gapolitaua B l a n d o w copiose primus legit. Iu umbrosis
ad terram lapidesque prope Cagliari Sardiniac m. Januarii
formam majorem robustiorem legit F r . Mi i l ler . —
Priiiio vere.
Ab IL conferto saepius coiijuncto virlutibus designatis
certe refugit.
249. II. r a p h id o r r h y n c h u in C. Aliill. ; monoicum ;
Jl. Megafiolitano simillimum, sed anguste ovato-a cu m
inata, hand cordata, subdenticulata, e cellulis ungusiis-
simis elongatis viridibus, alaribus parum impressis paucis
subincrassate (pcadratis, haud amoene pellucidis, compos
ita , firmiora ; pericb. firmiora; theca longius pedunculata,
longius cglindraceo - oblonga, valde arcuata, longissime
aciculari-operculata, late annulata; perist. int. ciliis binis
hand appendiculatis.
Patria. In sylvis primaevis prom. b. spei, prope
Krakakamma (Distr. Uiteiibage), ad lignum putridum copiose
legit ni. Jul. 1832 Zeyl i e r .
250. H. le p tom c r o c a rp iu n C. Aliill. ; monoicum ; H.
Megupolitano simillimum, sed folia angustiora, angustius
longius densissime reticulata, ubique distincte serrulata,
profunde carlnata; perich. anguste vaginantia brevius
stricte acumiuata, enervia, robustius densius rcticulata;
theca minute ovata, ore coarctata, annulata, opere, conico
subito max ime oblique rostrato; perist. d. ext. in ternis
breviores, apice serrulati, int. subrugulosi perforati,
ciliis binis rudimenturiis.
H. MegapoUtanum Hscli, in Muse. Mexican. No, 1096.
Patria. Alexico, Xalapa: Sc h i e d e .
251. H. c e s p i ta n s C. Aliill. ; dioicum ; cespites latissimi
decumbentes, viridissimi vel atro - Y'irides ; caulis
longe repens, ramis brevibus teretibus strictis confertis
subtenuibus assurgentibus vix ramulosis pinnatim vage
divisus; folia caulina conferta appressa, haud secunda,
humore e r e c to -p a te n tia , subrotundate ovalia, breviter
acuminata, eoneava, estriata, margine basi parum revoluto,
apice vix conspicue denticulato, nervo ultra medium
evanido viridi, cellulis brevibus angustissimis plerumque
sordide chlorophyllose virentibus mollibus, alaribus v ix
conspicuis quadratis; perich. pauca appressa, e basi va -
ginaiite minute tenerrime reticulata pellucida enervi breviter
strictc et acute acuminata, integerrima; tbeca in
ped. breviuscuìo rubente ubique papilloso erecta cglindraceo
oblong a angusta brevis, late annulata, opere, conico
brevi obtuso apiculato; perist. d. ext. rufescentes,
superne subserrulati, int. angusti perforati flavi laeves,
ciliis 1 — 2 brevissimis albis- laevibus.
H. cespitosum W its. Engl. Bot, Suppt. t. 2878.
Patria. Anglia, in muris prope Warrington Lancashire,
ubi AVi ls on dctexit, quocum Alartio 1847 legit
AV. P. S c h i m p e r , qui nobis benevole communicavit.
Ad arborum radices in pratis irriguis arcnaque suffusis
prope Aquas Tarbellicas Pj'renaeorum occidentalium, ubi
in planitie legit S p r u c e , cujus specimina nostro AI o n t
a g n e debemus.
H. murali habitu peraffiuc, sed notis laudatis primo
adspectu dislinguendum ct pulcbva species.
I n c e r t a e sedi s .
252. H. c l in o c a rp u in Tayl. (Lond. Journ. of bot.
1848. p. 194.); dioicum? caulis procumbens subbiuncialis
implexus vage ramosus, ramis brevibus subcomplanatis;
folia laxa patentia eoneava estriata, late ovata acuminata
dentata, ultra medium uninèrvia; theca in ped. scabro
apice decurvo ovato-oblonga inaequalis inclinata; perist.
d. int. ciliis tribus brevissimis interpositis. j .
Patria. Monte Pichincha: AV. J am e s o n , Decbr.
1846. .
Auctor H. rutabulo, foliis confertioribus erectionbus
plicatis et theca haud arcuata jam longe recedenti, com-
Pai-avit. ^3
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