Valenzuelia. 427 



quetro styli reliquiis terminato soluti, obovoidei, subinflati, ecristati vel (in altera specie) 

 dorso lateribusque cristis membranaceis apice cruciatim connexis purpureis instructi, 

 crustacei vel sublignosi, mesocarpio parenchymatico, endocarpio e cellulis sclerenchy- 

 maticis polyedris — intimis complanatis plicato-sinuatis — exstructo glabro. Semina 

 oblique adscendentia, obovoidea, hilo basilari parvo, testa membranaceo-crustacea e 

 cellulis complanatis (exterioribus brunneis, interioribus albidis) exstructa, arillo nullo. 

 Embryo oleoso-carnosus, oleo et aleuro, amylo vero parcissimo foetus, curvatus, notor- 

 rhizus; cotyledones a dorso complanatae, exterior curvata, interdum subcircinata, in- 

 terior transversim biplicata, exterioris apicem subamplectens; radicula parva, plica 

 testae basilari parum profunda excepta. — Frutices (ecirrosi), foliis oppositis in Sapinda- 

 cearum ordine anomali, ut et corticis (transversim secti) annulo sclerenchymatico in- 

 completo. Folia (exstipulata) decussata, simplicia, parva, in petiolos breves basi primum 

 contiguos dein linea transversa conjunctos attenuata, oblongo-lanceolata vel sublinearia, 

 integerrima vel apice 3-dentata, coriacea, 1- vel 3-nervia, sicca rugulosa, pube brevi 

 rara adspersa (glandulis vero nullis obsita), structura concentrica, epidermide mucigera 

 utrinque stomatophora, diachymate utrinque staurenchymatico, cellulis magnis soli- 

 tariis vel paucis coacervatis substantia quadam saponino affini friabili (in aqua et, uti 

 Saponinum, in chloralo hydrato, vix vero in alcohol solubili) foetis, ut et sepala, pellu- 

 cide punctata et infra nervös libro fibroso carentes utriculis sat amplis substantia si- 

 mili repletis, qui cum foliorum vestigiis in ramos quoque decurrunt hie libri fibris non- 

 nullis obtecti, instrueta, aqua agitata mox spumam efficientia. Cymulae (cincinni) 

 paucae, 2 — 3-florae tantum (immo ad flores singulos reduetae) ad ramorum apices et 

 in ramulis brevibus lateralibus axillares, vel (in altera specie) complures multiflorae 

 ad ramorum apices (denique exhaustos) in inflorescentiam thyrsiformem congestae, 

 bracteolis parvis instruetae. Flores parvi, rubieundi, sat pedicellati, pedicellis bracteo- 

 latis prope basin articulatis. Fructus sicci pallide subfusci, cristis, ubi sunt, purpureis. 



Species 2, altera Andium chilensium, altera, nuperrime deteeta, Argentinae in- 

 digena. 



Obs. Genus habitu et structura (cf. supra) in Sapindacearum ordine anomalum, attamen 

 floris et fructus fabrica inter Sapindaceas ecirrosas nomophyllas nomospermas sat affine reliquis 

 Tliouiniearum generibus, fruetu praesertim ad Allophylum, flore et habitu (nee non alterius speciei 

 fruetu cristato) ad Bridgesiam accedens. 



Conspectus specierum. 



A. Fructus cocci ecristati; folia 3-nervia (sp. chilensis) ... 1. V.trinervis. 



B. Fructus cocci cruciatim cristati; folia 1-nervia (sp. argentina) 2. V.cristata. 



1. V. trinervis Bert. 1. c.I; Camb. 1. c; Walp. Rep. I. (1842) 415; Barneoud ap. Gay 

 1. c. 367!; Planch. I.e.; Baillonl. c, annot. 4; Fr. Philippi, Catal. PI. vasc. Chilens.(1881) 

 32!; Radlk. 1. c. (1895); Reiche 1. c. — Guindilia trinervis Gillies mss. ed. Hook, et Arn. 

 1. c.I; Walp. 1. c. 524; Gay 1. c. 487; O. Kuntze 1. c. I. 144, III. 2. (1898) 43! - Vulgo: 

 Guindillo fide Hb. Hook. — Frutex humilis inodorus, gustu subamaro, paullulum stip- 

 tico (Bert, in sched.); rami oppositi stricti, praeter florigeros basi primum perulis del- 

 toideis coriaeeis exterioribus lateralibus interioribus medianis instructi, novelli sub- 

 tetragoni, pube brevi adspersi, adultiores teretes, glabri, brunnei, lenticellis sparsis 

 (»glandulis« Camb.) notati, cortice transversim et longitudinaliter dirupto et dejeeto 

 mox subere laevi fusco obtecti; folia opposita, oblongo-lanceolata, basi in petiolum 

 angustata, apice acuta vel subapiculata, interdum infra apicem unilateraliter vel 

 utrinque dente singulo notata, 3-nervia, nervis supra impressis subtus prominentibus, 

 coriacea, sicca fragilia, olivaceo- vel fusco-viridia, utrinque nee non margine pilis mi- 

 nutis puberula, denique glabrata cellulis magnis substantia saponino affini foetis spar- 

 sim pellucida punctata (ceterum generis); cincinni ad ramorum apices et in ramulis 

 lateralibus abbreviatis axillares, breves, 2- rarius 3-flori, stipitati, bracteolis parvis 

 lanceolatis puberulis instructi, interdum ad pedunculum 1-florum supra medium 1-brac- 



