340 F. Pax u. R. Knuth. — Primulaceae. 



vel lineari-triangulares , acutae vel obtusiusculae; corollae albae tubus calycis lacinias 

 aequans; lobi rotundato-obovati, vix apice denticulati vel integri; limbus 8 mm diam. ; 

 filamenta sterilia staminibus breviora, subulata. 



Argentinien und Patagonien: Sierra Achala von Cordoba (Hieronymus! ; 

 an feuchten und überschwemmten Stellen in der Nähe des Deseado-Hafens bei der 

 Quelle >los Huanacos« (Cavanilles); Halbinsel Brunswick, beim Hafen Oazy-Harbour auf 

 salzigen Wiesen (Lechler n. 1258 ex Grisebach); Magellanes-Str. (Philippü). 



5. S. ebracteatus H. B. K. Nov. gen. et spec. II. (181 7) 4 84 t. 4 29; Duby in 

 1)C. Prodr. VIII. (1844) 74; A. Gray, Synopt. Fl. N. Amer. II. 4. (1886) 64; Chapman, 

 Fl. South. Unit. St. (1897) 300; Small, Fl. S. E. U. St. (4 903) 902. — 8. longi 

 Hook, ex Shuttl. in Bot. Zeitg. III. (1845) 222 (nomen). — Samodia ebracteata Baudo 

 in Ann. sc. nat. 2. ser. XX. (1843) 350. — Glaber. Caulis erectus, 20 — 30 cm Ion. 

 laevis, subsimplex. Folia basi subvaginantia, spathulata vel rotundato-spathulata, mucro- 

 nata, inferiora in petiolum late alatum subcontracta. Inflorescentia axillaris, racemosa. 

 Pedicelli 10 — 20 mm, vulgo 4 5 mm longi, subglabri, ebracteati. Calycis \i\ usque ad 

 mediam partem partiti, campanulati laciniae ovato- trianguläres acutae; corollae albae 

 tubus calycis lacinias superans, cylindricus ; lobi rotundato-obcuneati, obtusi vel trunrati. 

 apice irregulariter denticulati; limbus 5 — 8 mm diam.; filamenta sterilia nulla. 



Subsp. a. genuinus R. Knuth. — Folia 5 — 8, oblongo-spathulata, obtusa, fere 

 sessilia. Pedunculi stricti. caule longiores, basi saepius verrucoso-sulcati. — Fig. 72/£ 



Texas (Heller, PI. of South. -Texas n. 4751 !, Lindheimer, Fl. Texana exs. 

 n. 4 62!, 678!, Hall, PI. Tex. n. 402!, Matthes, North American Plants of Texas 

 n. 39!); Neumexiko (Earle, PI. of New Mex. n. 260 !); Florida (Curtiss, North 

 American Plants n. 4 84 4!, Nash, PI. of Florida n. 2425); Mexiko (Kais. Maximilian. 

 Reise n. Mexiko n. 760!); Cuba, Batabano (Bonpland n. 4353!. 



Subsp. ß. alyssoides (Heller) R. Knuth. — S. alyssoides Heller ex Small, Fl. 

 S. E. U. St. (1903) 902. — Glaber, glaucus, 2 — 3 dm altus. Caulis erectus vel ascen- 

 dens, plerumque ramosus. Folia numerosa, 4 — 7 cm longa; lamina spathulata, acuta 

 vel acutiuscula, in petiolum alatum saepe purpurascentem , quam lamina breviorem 

 angustata. Racemi 2 — 4 cm longi, pedunculati pedunculo cauli aequilongo vel eo lon- 

 giore; pedicelli 5 — 4 mm longi, ascendentes. Calycis campanulati laciniae trianguläres 

 vel triangulari-lanceolatae, acutae, tubo aequilongae; corollae albidae, 8 — 9 mm diam. 

 lobi 5 — 6, suborbiculares , tubo breviores, apice rotundati, basi glandulosi; stamina 

 inclusa. Capsula subglobosa, 3 — 3,5 mm diam. (ex Small 1. c). 



Auf trockenem, sandigem Boden an der Küste von Süd-Texas. 



Nota. Subspecies ß. et S. scaposus Heller in sched. (Heller, PI. of South-Texas n. 4 788!; 

 verisimile Synonyma. Planta Helleri diflert a subspecie genuina foliis acutis, floribus 2 — 3-plo 

 maioribus. 



Subsp. y. cuneatus (Small) R. Knuth. — S. cuncatus Small in Bull. Torr. Bot. 

 Club (4 897) 49 4 ; Small, Fl. S. E. U. St. (4 903) 902. — Intense viridis, 4—3 dm altus. 

 Caulis subsimplex vel suffruticosus , plerumque ascendens, ramosus. Folia plerumque 

 opposita; lamina obdeltoideo-spathulata vel late spathulata, 4 — 4 2 cm longa, apice 

 truncata aut brevissime mucronulata, in petiolum late alatum subcontracta. Raomi 

 4 — 3 dm longi, pedunculati pedunculo glanduloso-piloso, quam caulis longiore; pedicelli 

 graciles, ascendentes vel diffusi, 4 — 3 dm longi. Calycis campanulati laciniae triangu- 

 läres, acutae, tubo longiores, sub fructu breviores ; corollae albae, 4 — 5 mm diam. lobi 

 late cuneati, apice dz truncati, denticulati, tubo aequilongi; stamina inclusa. Capsula 

 depresso-globosa, 3 — 3,5 mm diam. (ex Small 1. c). 



Auf feuchtem Boden und feuchten Kalksteinfelsen in Texas. 



6. S. einer ascens (Robinson) Pax et R. Knuth. — Atidrosacc cincrasccns Robinson 

 in Proc. Amer. Acad. New Ser. XIX. [Whole Ser. XXVII.] (4 893) 4 80; Derganr in 

 Kneucker, Allgem. bot. Zeitschr. X. (4 904) 4 4 0. — Primula Pringlci Derganc in 

 Kneucker 1. c. 14 4. — Suffruticosus, sublignosus. Caulis 20 — 30 cm longus, basi 4 3 min 



