D 
Eujuncea.] OLXXXVI. JUNCACEJE. 867 
nivium sternarum extense. Buchenau in AbAandl, Naturw. Vereins Bremen, iv. 124 (Agapatea) ; 
vi. 368 (Oaychloe), et 369 (Distichia), t. 3. 
Genus libitu et floribus solitariis dioicis facillime distinetum, in sectiones 2 sequentes 
dividitur :— 
1. Goudotia, foliis stricte distichis, vaginis complicatis aeuminatis v. in laminas breves erectas 
attenuatis, Hue pertinent JD. tolimensis ( Goudotia tolimensis, Dene.), D. muscoides, Nees et Meyen, 
et D. filamentosa, Buchen. x 
2. Oxychioe, foliorum vaginis latis concavis undique imbricatis, laminis linearibus, Hue D. andina. 
(OxyeMloe andina, Philippi), D. clandestina, Buchen., et species tertia adhue inedita in Bolivia prope 
La Paza Pentlandio leeta, cui pertinere videntur specimina e Cordillera Maule a Germaino recepta 
sub nomine falso D. brevifolie, Phil. 
Ch à Bucl io indicati, e substantia perianthii 9 et e numero bractearum, valde incerti 
videntur. 
10. Rostkovia, Desv. Jowrn. Bot. i. (1808) 324, t. 12.—Perianthii segmenta distincta, 
linearia v. lineari-lanceolata, erecta, rigida, margine sspe scariosa, parum v. conspicue 
inzqualia. Stamina 6, hypogyna, perianthio breviora, filamentis brevissimis, antherce 
lineares, erectis, basifixze, apice breviter appendiculats v. nudse, loculis introrsum dehis- 
centibus. Ovarium sessile, 1-loculare, placentis 3 parietalibus ; stylus subulatus, superne 
in ramos stigmatosos 3 lineares divisus ; ovula in placentis Capsula subglob 
ovoidea v. oblonga, coriacea, nitida, superne in valvas 3 medio placentiferas divisa. 
Semina numerosa, parva, testa nune crassa laxa inappendiculata, nunc apice basique in 
ippendiculam linearem hyali producta; embryo parvus nune minimus, prope basin 
albuminis laxe carnosi.—Caules in rhizomate breviter ramoso czespitosi, v. secus rhizoma 
horizontale conferti, juncei, 1-foliati, additis sepe vaginis nonnullis infra folium. Folia 
linearia v. teretia. Pedunculus terminalis, flore unico quam in c:teris Eujunceis majore, 
braoteis 1-3 squamiformibus v. una alterave foliaceo-acuminata stipato. 
Species 3, Americe antarctieze et Andins et Nove Zelandim incole. Hook. f. F7. Antarct, i. 81, 
t, AT. 
Tn specie typica, P. magellanica, capsula globosa v. breviter ovoidea, semina inappendiculata, 
testa crassa nitida nec tamen crustacea, MansreroseERMUM, Desv. Journ. Bot.i. (1808) 328, t. 12; 
Hook. Ic. Pl. t. 583, species 2 includit, capsula nune ovoidea quam in Zt. magellanica parum longiore, 
nune oblonga duplo saltem majore, et seminibus testa tenuiore apice basique appendieulata, et 
Bucehenau in Abhandl Naturwiss. Vereins Bremen vi. 373, duo genera iterum. distinxit, seminum 
tamen eadem diversitas observatur in Junco, et genus in integrum servatum naturalissimum est. 
Diff ie habitus a Buch io indieate, minores sunt quam in Junco, e.g. inter J. bufonium et 
J. acutum. 
11. Juneus, Linn. Gen. n. 497, pro parte.—Perianthii segment distincta, gl 
lanceolata v. oblonga, margine interdum. scariosa, subzequalia v. interiora paullo latiora. 
Stamina 6, v. 1-3 interiorum deficientibus pauciora, hypogyna v. interiora basi segmentis 
affixa, perianthio breviora, fil tis filiformibus v. basi dilatatis ; anthere oblongse v. 
lineares, erectz, basifixze, basi integre v. breviter 2-lobcw, loculis introrsum dehiscentibus. 
Ovarium sessile, nune 1-loculare placentis 3 parietalibus parum v. valde prominentibus, 
nunc placentis in centro contiguis v. connatis imperfecte v. perfecte 3-loculare ; stylus 
filiformis, superne (ssepius ad medium) in ramos stigmat 3 filif spe spiralit 
tortos divisus; ovula in quaque placenta oo. Capsula in valvas medio placentiferas 
dehiscens, v. rarius placentc a valvis solutze erectz, lineares, v. in columnam centralem 
; de IEE 
cohszrentes. Semina parva, ovoidea, testa iri . lineolata, 
integ, 50 exteriore. xo. b hyalino cum funiculo continuo nune parvo mox 
evanido v. obsoleto, nunc semen includente et in appendi terminalem linearem pro- 
ducto (seminibus tune 2-caudatis dictis) ; embryo parvus, sepius minutus, juxta basin 
albuminis carnosi.—Herbs perennes v. rarius annus, caulibus czespitosis v. in rhizomate 
repente confertis, infra infl ti implicib Folia radicalia v. prope basin caulis 
pauca, linearia v. ssepius teretia, nunc omnia ad vaginas breves reducta. Flores parvi, in 
