30 



J. M. Macfarlane. — Sarraceniaceae. 



Planchon in Fl. des serres X. (1855) 233; Chapman, Fl. S. U. States (1860) 21 ; 

 Masters in Card. Chron. s. 2. XVI. (1881) 11; DC. Prodi-. XVII. (1873) 5; Small, Fl. 

 S. E. U. States (1903) 494. — S. Oronovii var. flava Wood, Class Book (1861) 

 2 22. — S. Rugelii Shuttlew. msc. — non S. flava auct. quoad specimina in Mississippi, 

 Louisiana, Texas et parte in Alabama lecta, quae ad S. Sledgei pertinent. — Rhizoma 

 15 — 20 cm longum X 2 — 2,5 cm diam. zb sinuosum. Folia frimorphia; vernalia omnia 

 ascidiformia 20 — 100 cm longa, ore 3 — 8 cm lata, erecta, glabra vel minute pubescentia, 

 tubulosa, autumno marcescentia; petiolus validus basi alatus, amplexicaulis, supra basin 



solidus cylindricus; ascidium sensim 

 a basi ad os inflatum, nervis longi- 

 tudinalibus prominentibus costiformi- 

 bus dense et minute glanduliferis 

 percursum, ala ventralis angusta, a 

 basi ad os ascidii fere aequalis; os 

 rotundatum, postice medio sulcatum ; 

 peristomium 3 — 4 mm latum, revo- 

 lutum, postice marginibus inferio- 

 ribus operculi valide revolutum et 

 glandulis minutis conspersum; oper- 

 culum ovatum ad ovato-orbiculare, 

 suberectum, extus glabrum vel mi- 

 nute pilosum, medio carinatum, apice 

 mucronatum vel peltatum, circa mar- 

 ginem glandulis multis nectariferis 

 instructum; ascidium et operculum 

 luteo-viridia vel intus basi operculi 

 rubra, vel luteo-viridia et dz rubro- 

 striata vel omnino rubro-viridia ad 

 rubro-purpurea; tubus intus inde ab 

 ore et versus basin operculi usque 

 ad y 3 alt. glauco-viridis vel glauco- 

 purpureus, basi pilis multis tenuibus 

 conspersus. Folia aestivalia rarissime 

 an gusto- ascidiformia, vulgo omnia 

 simplicia, 5 — 45 cm longa, plerum- 

 que costa media postice complanala 

 et ala ventrali lata onusta, apicem 

 versus abrupte vel sensim acuminata. 

 Folia autumnalia 4 — 5 , squami- 

 formia, triangula, acuminata, albo- 

 rubra. Scapus 30 — 50 cm longus X 

 4 — 5 mm diam. basi et apice brun- 

 neus, erectus, apice nutans, in fructu 

 erectus; bracteae 13 — 15 mm X 

 7 — 10 mm, concavae, ovato-obtusae, 

 rubro-virides. Flos magnus 5 — 

 1 cm diam. nutans, in fructu suberectus vel erectus, odore vespertino ingrato. Sepala 

 externa (3) 4— 5 cm X 3,5 — 4 cm, late ovata, flavo-viridia, sepala interna (2) 5 cm X 

 2,5 — 3 cm, ovalia vel subovata, viridi-flava. Petala 7 — 9 cm X 3 — 4 cm, segmenta 

 basalia cuneata,. dein leviter contracta et marginibus =b revolutis, segmenta apicalia 

 obovata, =b revoluta, flava. Staminum filamenta alba, antherae 3 — 4 mm aureae, primum 

 poris terminalibus demum longitudinaliter dehiscentes. Ovarium 7 — 8 mm, sphaeroideo- 

 ovatum, tuberculato-glanduliferum, basi viride apice flavum; Stylus 13 — 15 mm longus, 

 umbraculo styli 6 — 9 cm lato, flavo-viridi. Capsula 2 cm lata, sphaeroideo-depressa, 



Fig. 10. Sarracenia flava L. , a folia squamiformia, 



b f. ascidiformia, b' eadem statu juvenili, c f. phyllo- 



dinea. (Origin.) 



