78 CXXXI. CHENOPODIACE^. [Boussingaultiece. 



in racemog axillares et terminales siniplices v. ramosos laxos v. densifloros dispositi, 

 breviter v. gracile pedicellati. Bracteic ad basin pedicelli persistentes v. deciduse ; brac- 

 teolse infraflorales pedicello adnatse v. caducse, fiorales ima basi perianthii v. altius 

 insertaj, segmentis breviores. 



Species ad 10, Americse tropicse incolse. Genus in sectiones 2 dividitur:- — 



1, Stylus validus, elongatus, stigmato 3-lobo. Boussingaultia, H. B. et K, I.e. Tandonia, Moq, 

 in DC. Prod. xiii. ii. 226. 



2. Styli 3, elougati, basi connati, stigmatibus clavatis v. capitatis. Boussingatjltia, Moc^. in DC, 

 h c. 228, 7wn H. B. et K. Bot. Mag. t. 3620. Miers in Seem. Jonm. Bot. ii. 161, if. 1 8. 



80. Anredera, Juss. Gen, 84. (Clairisia, Ahat. Act. Soc. Med. Seville^ ecc Moq. in DC, 

 Prod. xiii. ii. 229.) — Flores hermaphroditij cum pedicello apice 2-bracteolato articulati ; 

 bracteolse infraflorales caducee ; florales basi perianthii inserta?, naviculares, perianthium 

 includentes, dorso longitrorsum latissime alatse. Perianthium S-partitum, hyalinum, 

 tubo bre'V'issimo carnosulo ; segmenta sub reqii alia, oblonga, obtusaj 1-nervia, exteriora 

 paulo majora. Stamina 5, disco crasso hypogyno inserta, filamentis subulatis in alabastro 

 infra apicem reflexis ; antherse versatiles, sagittatse, inclusse. Ovarium minutum, rotun- 

 datum, compresRum ; styli 3, ima basi connati, stigmatibus dilatatis 2-3-lobis ; ovulum 

 sessile, Utriculus perianthio bracteolisque inclusus, crasse stipitatus, ovoideo-globosus, 

 pericarpio carnoaulo semini adhserente. Semen erectum, rotundatum, compressum, 

 testa coriacea brunnea ; embryo fere annularis, albumen parcum farinaceum cingens, 

 cotyledonibus subclavatis, radicula valida infera. — Herba volubilis, gracilis, glaberrima, 

 radice tuberosa, caule angulato. Folia alterna, in petiolum angustata. ovata, acuta, 

 integerrima, carnosula. Flores parvi, albi, in spicas axillares pedunculataa cylindraceas 

 fiexuosas dispositi. Bractea ad basin pedicelli lanceolate- subulat a, decidua ; bracteolse 

 infraflorales triangulares, 1-nerves, florales maxim se, persistentes, in alas basi et apice 

 products;. 



Species 1, Americae subtropicse a Texas ad Peruviam incola, in Egypto et in ins. Philippinis in 

 hortis culta. Gcertn.f. Fruct, t. 213. Lam. III. t. 215,/. 2 (Basella). 



okdo cxxxil phvtoi.acc/lci:jc. 



Endl. Gen. 975. Lindl. Veg. Kingd. 508. Baill. Hist. PI. iv. 23. 



Mores hermaphroditi v. unisexuales. Perianthium hcrbaccum v. coriaceum, raiius 



membranaceum v, coloratum, 4-5-partitum, rarissime obconicum v. disciforme ; segmenta 



aequalia v. insequalia, oblonga v. orbicularia, obtusa, eestivatione imbricata ; fructifera 



persistentia, erecta patentia v. reflexa, immutata v. rarius aucta. Petala {Steynonpennate 



excepto) 0. Stami/ria 4 v. plura, raro perigyna, stepius disco hypogyno inserta, 



l_oo-seriata, dura segmentia perianthii isomera ssepissime iis alterna, dum plura plus 



minus^'e irregulariter inserta v. segmentis opposita et alterna ; filamenta filiformia 



V. subulata, basi libera v. connata, 3a3pissime persistentia, antheris deciduis. Antherm 



dorso afiixfe, 2-loculares, loculi ssepe a basi alte liberi, rimis anticis lateralibua v. pos- 



ticis dehiscentcs, sfepissime deciduiie ; pollen globosum. Discus hypogynus obscuriis 



V. annularis. Ovarium superum, e carpellis 1 v. i^luribus distinctis v. connatis, fundo 



perianthii sessilibus v. raiissime toro impositis. Stylus brevis v. 0; stigmata linearia 



filiformia v. subulata, intus papillosa v. rarius apicibus penicillatia v. capitellatis, sfepius 



recurva. Ovula in carpellis solitaria, funiculo brevi basi rarius angulo interiore loculi 



inserta, amphitropa v. campylotropa, micropylc non raro fungoso. Prnctus iimic monocar- 



picus, coriaceus, crustaceus baccatus v. samaroideus, nunc polycarpicus, carpellis distinctis 



V. connatis, 1-locularis v. loculis tot quot carpellis 1-spermis. Semina erecta, rarissime 



