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



55. L. cephalantha Franch.) R. Knuth. — L. japonica var. cepkalantha Franch. 

 in Morot, Journ. de bot. IX. (1895) 461. — Herba perennis, 4 5 — 25 cm alta, cau- 

 libus puberulis vel hirsuto-puberulis. Folia opposita, petiolata petiolis foliorum mediorum 

 8 mm longis, inde gradatim brevioribus, membranacea, cum petiolo 2'/2 — 3 cm longa, 

 13 mm lata, ovata, basi in petiolum cuneatim attenuata, vix rotundata, pilosa, apice 

 obtusa, venis vix conspicuis. Flores flavi, pauci, 7 — 10, ad apicem cum foliis congesti, 

 pedicellati pedicellis 2 — 6 mm longis. Bracteae foliaceae, ovatae, ciliatae. Calycis usque 

 ad basin partiti, corolla minoris laciniae lineari-lanceolatae, acutae, pilosae, ad 8 mm 

 longae, eglandulosae ; corollae subrotatae -lobi oblongo-ovati, acutiusculi; stamina corolla 

 subduplo minora, vix basi dilatata, tubum non formantia; Stylus staminibus vix acqui- 

 longus. 



Central-China: Prov. Süd-Shensi (Giraldi n. 567!, 3949!}; Hupeh, Ichang 



(Henry n. 482!); Yun-nan, Tchen-fong-chan, in Gehölzen (Delavay n. 5154! , Mengtze 



Henry n. 9428 expte.!), ohne Standort (Anderson a. 1868!); Sze-tschuan, Tchen- 



keou-tin (Farges n. 629!); Kiang-su, Shanghai 'Carles n. 385!, Fortune a. 1846 



n. 52 ex pte. !); Macao (Callery n. 10l!). 



56. L. melampyroides EL Knuth n. sp. — Caulis ascendens vel erectus, tenuis, 

 1^4 — 2 mm crassus, sublaevis, 15 — 40 cm altus, puberulus, rarius subsimplex, plerum- 

 que ramosus ramis inferioribus saepe 10 cm longis. Folia remota, opposita, e basi 

 rotundata vel vix cordata ovata vel lanceolata, acuminata, acuta, pilis brevissimis hispi- 

 dula, internodiis semper (saepe 2-plo) breviora, petiolata petiolo 1 cm longo, cum petiolo 

 3 — 4 cm longa, 10 — 13 mm lata, membranacea. Flores apice ramorum congesti, 

 pedicellati pedicellis 4 — 7 cm longis, raro nonnulli pauci in axillis foliorum caulinorum 

 longe (20 mm) pedicellati. Calycis usque ad basin partiti laciniae lineari-lanceolatae, 

 pube brevi hispidulae; corollae pallide luteae iflavae?), fere usque ad basin partitae lobi 

 obovati, apice rotundati; filamenta inaequalia, usque ad y 3 — 2 / 5 in tubum vix hirsutum 

 coalita, corolla 2 — 3-plo breviora; Stylus staminibus longior. 



Central-China: Prov. Ost-Sze-tschuan, Tchen-keou-tin an Bachufern Farges 

 n. 1116!, 1457!). 



57. L. rubiginosa Hemsl. in Journ. Linn. Soc. XXVI. (1889) 56; Oliver in Hook. 

 Icon. pl. XX. (1891) t. 1981; Diels in Englers bot. Jahrb. XXIX. (1901) 525. — Herba 

 perennis (?), pluricaulis. Caulis ferrugineo-pubescens, erectus, subsimplex vel sparsim 

 ramosus, 45 — 60 cm altus. Folia omnia opposita, in petiolum 2 cm longum attenuata, 

 membranacea, ovata vel ovato-lanceolata, acuminata, acuta, basi rotundata vel interdum 

 subcuneata, sparsim puberula; venae primariae prope marginem inter se anastomosantes. 

 Flores flavi, in cymas parvas, saepe trifloras, axillares et apicales, bracteatas, pednn- 

 culatas pedunculo y 2 — 1 */ 2 cm longo dispositi; bracteae foliis simillimae, sed minores; 

 pedicelli breves, 3 mm longi. Calycis corolla fere duplo minoris, usque ad basin partiti 

 laciniae lineares, vix acutae, glanduloso-striatae, extus pilosulae; corollae eampanulato- 

 rotatae lobi oblongo-lanceolati, acuti; stamina calyce aequilonga; filamenta usque ad 

 mediam partem in tubum a corolla liberum connata; Stylus stamina longitudine panlln 

 superans. 



Central-China: Prov. Hupeh, Patung (Wilson n. 1559!, Henry n. 1823!, 2440!, 

 4680!, 4945!, 6134!, 6244!, 7559!); Yun-nan, Mengtze (Hancock n. 205!, Duc- 

 loux n. 434!). 



Nota. Species similis L. invohicratae, quae diflert pedunculis longioribus efoliatis. 



58. L. involucrata Hemsl. in Journ. Linn. Soc. XXIX. (1893) 315 t. XXXI; EMelf in 

 Engler's Bot. Jahrb. XXIX. (1901) 525. — L. rubiginosa var. glabra Franch. in Morot, 

 Journ. de bot. IX. (1895) 463. — Herba perennis (palustris?), fere omnino glabra, 

 caulibus elongatis 50 — 100 cm longis, internodiis paullum elongatis, quam folia loi 

 ribus. Folia opposita, membranacea, ovato-lanceolata, acute acuminata, 5 — 7 ein longa, 

 petiolata petiolo 1 cm longo, basi rotundata vel subcuneata, glandulis nipris lincolatis 

 conspersa, venis primariis utrinque circiter 5, arcuatis, juxta marginem in nervnm 



