1314 L. Radlkoier. — Sapindaceae. 



In Siam: Pierre n.4113! (ad urbem Petchapury, m. Sept. 1868, fruct, immat.); 

 Zimmermann n. 123! (Bangkok, Gengkoi, a. 1899 — 1900, flor.); Kerr n.2187! (M§ 

 Ping Ptapids, Ok Ma, alt. 130 m, m. Jan. 1911, fr.), n.2552! (Lampun, alt. 360 m, 

 m. Apr. 1912, fl.), n.2955! (Me Ping Rapids, Huc Paka, alt. 150 m, m. Mart. 1913, 

 alab. et fl.). — De coUectionibus siamensibus cf. Graib, Fl. Siam. Enum. I. 2. (1926) 

 337. — Praeterea in Peninsula malaica, si re vera huc pertinet planta a Ridley 

 lecta ( )!>foliolis, petiolis fructibusque omnino glabris«), c. indicatione: Perlis, Ghupeng. 



109. Phyllotrichum Thorei. 



Phyllotrichum Thorei msc, ed. Lecomte in Notul. syst. (1911) 8, Fl. Indo-Ghine 

 I. (1912) 1053; Pilger in Engl. u. Prantl, Nat. Pflanzenfam., Nachtr. IV. (1914) 191. 



Flores (spurie?) polygami, monoeci, oblique symmetrici, mediocres. Galyx erectus, 

 5-lobus, lobis ovalibus, quincuncialiter imbricatis, pubescentibus, subpersistentibus, 

 exterioribus 2 perbrevibus. Petala 4, quinti sede vacua, basi subattenuata, apice 

 rotundata, squama basali integra ovali, petalis latiore breviore apice rotundata utrinque 

 pubescente aucta, sub disco inserta. Discus unilateralis, semilunaris, membranaceus, 

 erectus, oblique truncatus, subundulatus, leviter pubescens. Stamina 8 (raro 9), erecta, 

 inaequalia, ad latus disci interruptum circa pistillum (floris (^) rudimentarium inserta, 

 filamentis subulatis basi puberulis, antheris parvis ovalibus birimose dehiscentibus. 

 Germen (floris (J rudimentarium) subsessile, ovoideum, triloculare, valde pubescens; 

 Stylus apicalis, erectus, subtrigonus, apice attenuatus, in stigma sub-3-lobum terminatus; 

 gemmulae in loculis (ut e fructu juvenili patet) singulae, adscendentes. Fructus 

 capsularis, ovoideus, stipitatus, pruni magnitudine, processibus flexibilibus cylindraceis 

 oblique acutatis basi rufescenti-velutinis glandulisque adspersis fasciculis vasorum 

 numerosis teneris percursis muricatus, (loculicide?) dehiscens (Thorei). Semina in 

 loculis solitaria, ad basin anguli centralis inserta, adscendentia, ovoidea, exarillata, 

 testa coriacea, nitida, umbilico basali transversim valde dilatato. Embryo — (non visus). 



Arbor trunco tereti, cortice griseo-fusco rugoso, coma larga. Ramuli angulati, 

 pube brevi rufescente induti. Folia sparsa, abrupte pinnata, 5 — 6-juga, petiolata, 

 exstipulata; foliola subopposita, breviter petiolulata, oblonga, utrinque acutata, margine 

 minutim undulata et remote denticulata, membranacea, multinervia, nervis oblique 

 adscendentibus, alternatim ante marginem evanescentibus vel in denticulos excurrenti- 

 bus, supra impressis, subtus prominentibus, venis in dimidio exteriore perpaullum 

 latiore subtransversis, in dimidio. interiore reticulatis, glabra, sicca subfusca, subtus 

 pallidiora, impunctata, epidermide mucigera; petiolus teretiusculus, subtiliter striatus, 

 glabratus, rhachis petiolulique sufferrugineo-puberula. Thyrsi ad foliorum delapsorum 

 cicatrices singuli, elongati, tenues, racemiformes, puberuli, fere a basi sat approximate 

 cincinnigeri, cincinnis bractea subulata suffultis stipitatis modice elongatis 6 — 10-floris 

 bracteolis ornatis pubescentibus. Alabastra ovoidea, pubescentia. Flores pedicellati, 

 pedicellis brevibus basi articulatis. 



Species 1, regni Laos incola. 



Genus flore symmetrico, petalorum squama lata integra et fructu muricato sat affine videtur 

 generi siamensi Delpya. 



Ph. mekongense Lecomte, 11. cc. (1911, 1912). — Gharacter ut supra. 



Rami florigeri 3 mm crassi, striati, glabri, cortice fusco, lenticellis crebris minutis 

 ruf Ulis notato. Folia petiolo circ. 6 cm longo adjecto circ. 36 cm longa; foliola superiora 

 cum petiolulis 5 — 6 mm longis 16— 18 cm longa, 4,5—5 cm lata, inferiora minora, circ. 

 10 cm longa, 3,5 cm lata. Thyrsi 20 — 25 cm longi, cincinnis 1 — 1,5 cm longis. Fructus 

 pruniformis processus ad 2 cm longi (Thorei). 



In Laos: Thorei, expeditio mekongensis a. 1866—1868, n.3455! (de Pak-lai ad 

 Luang-Prabang, ad montium pedem, m. Maj., fl. et fr. juv.; ex Hb. Paris, comm. 

 Lecomte). 



