Oxalis. 281 



10 mm longis obsitus. Folia basalia, pauca, 3 — 6, trifoliolata, longe petiolata; foliola 

 =b lunata, ultra medium bilobulata ; lobi manifeste divergentes, 1 */j cm longi, 4 — 5 mm 

 lali, apices versus sensim angustati, apicibus obtusi vel rotundati, facie superiore glabri, 

 facie inferiore pilis longis hvalinis sparsim obsiti; petioli 8 — 12 cm longi, foliolis multiplo 

 longiores, exs. 1 mm crassi, pubescentes. Pedunculi basales, subglabri, foliis 1 */ 3 plo 

 longiores, usque 18 cm longi, apice umbellam 4 — 9-floram gerentes. Bracteae irreguläres, 



1 - 2 mm longae, glabrae. Pedicelli 1 — 2 cm longi, glabri, graciles. Sepala lanceolata 

 vel oblongo-lanceolata, 4 — 5 mm longa, glabra, apice breviter rubro-bicallosa. Petala 

 violacea, 10 — 1 4 mm longa, spathulata, antice retuso-rotundata. Filamenta minora glabra; 

 maiora pubescentia, tergo infra medium appendiculata. 



Mexiko: Federal District; Tal von Mexiko, bei Tlalnepantla (Pringle, PI. mexic. 

 a. 4898, n. 6894 — Typus!). — Blühend Juli. 



538. 0. morelosensis R. Knuth in Notizbl. Bot. Gart. Berlin VII. (1919) 314. — 

 Jonoxalis bipartita Rose in Contr. Un. St. Nat. Herb. X. (1906) HO; Small in North 

 Amer. Fl. XXV. 1. (1907) 37. — Florifera 10 — 35 cm alta, acaulis. Bulbus 15 mm 

 crassus, rotundatus vel oblongo-rotundatus, extus atrescens vel griseo-ater, squamis fili- 

 formiter dissolutis 1 5 mm longis obsitus. Folia basalia, numerosa, 1 — 22, trifoliolata, longe 

 petiolata; foliola usque ad 4 /ö — 5 A bilobata; lobi manifeste divergentes, 1 — 3 cm longi, 



2 — 5 mm lati, apices versus sensim angustati, acutiusculi, exs. satis membranacei, 

 glabri; petioli 6 — 23 cm longi, foliolis multiplo longiores, exs. 1 mm crassi. Pedunculi 

 basales, glabri, foliis \ 1 / A — l^-plo longiores, usque 32 cm longi, apice umbellam sim- 

 plicem 5 — 12-floram gerentes. Bracteae ovatae vel lanceolatae, acutae, irreguläres, 

 2 — 3^2 mm longae. Pedicelli 10 — 12 mm longi, tenues, exs. filiformes, glabri. Sepala 

 lanceolata vel ovato-lanceolata, acutiuscula, apice rubro-bicallosa, 3Y2 — * mm longa. 

 Petala sepalis 3V2-PI0 longiora, saepe 8 — 11 mm longa, violacea. Filamenta maiora 

 pubescentia, prope basin appendiculata; filamenta minora glabra. Capsula oblonga, 

 8 mm longa; semina in loculo multa. 



Mexiko: Dept. Morelos; auf feuchtem Boden nahe Guernavaca, 1700 m (Pringle, 

 PI. mexic. a. 1898, n. 6896 — Typus!, Rose a. 1899, n. 4365!). 



Nota. Nomen a Rose datum ob prioritatem O.bipartitae St. Hil. mutandum erat. 



539. 0. tenuiloba (Rose) R. Knuth in Notizbl. Bot. Gart. Berlin VII. (1919) 315. 

 — Jonoxalis tenuiloba Rose in Contr. Un. St. Nat. Herb. X. (1906) 115; Small in North 

 Americ. Fl. XXV. 1. (1907) 38. — Bulbifera, 10— 15 cm alta; bulborum squamae 

 paucicostatae. Folia pedunculo ± aequilonga; foliola 3, glabra, basi pilis nonnullis 

 obsita, 4 — 6 cm longa, viridia, lobis linearibus vel anguste lineari-lanceolatis attenuatis; 

 petioli glabri. Scapi glabri, 6 — 8-flori. Pedicelli 1 — 2 cm longi, glabri. Sepala ob- 

 longa vel oblongo-ovata, 2^2 — 3 mm longa, glabra, apice tuberculis 2 crassis instructa. 

 Petala violacea, 6 — 8 mm longa. Filamenta minora glabra; maiora pubescentia, tergo 

 infra medium appendiculata. 



Mexiko: Dept. Colima, Colima (Jones — Typus nach Rose). 



540. 0. quadriglandula (Rose) R. Knuth in Notizbl. Bot. Gart. Berlin VII. (1919) 

 315. — Jonoxalis quadriglandula Rose ex Small in North Americ. Fl. XXV. 1. (l 907) 40 ; 

 Rose in Contr. Un. St. Nat. Herb. XIII. (191 1) 305. — Florifera 1 5 cm alta, acaulis. Radices 

 e facie inferiore bulbi provenientes, fibrosae, tortuosae, brunneae. Bulbus 17 — 20 mm 

 diam., rotundatus; squamae brunneae, 3-nervatae. Folia basalia, parum numerosa, 3 — 8, 

 trifoliolata, longe petiolata; foliola subtus glaucoideo-viridia, saepe 25 mm lata, glabra, 

 lunata, antice sinu latissimo usque ad 4 / 5 — 5 /e incisa; lobi fere lineares, valde diver- 

 gentes, apice obtusi vel rotundati, usque 15 mm longi et 4 mm lati; petioli glabri, 

 exs. 1 mm crassi, tenues, foliolis 6 — 8-plo longiores, circ. 7 — 10 cm longi. Pedunculi 

 basales, glabri, rarius inferne subglabri, foliis 1 — !*/»( — 2) -plo longiores, 11 — 16 cm 

 longi, apice umbellam simplicem 4 — 6-floram gerentes. Bracteae ovatae vel lanceolatae, 

 abrupte acuminatae, acutae, 1 — 2 J / 2 mm longae, glabrae, membranaceae, apice mucrone 

 manifeste rubro-calloso instructae. Pedicelli 1 1 / 2 — 3 cm longi, graciles, glabri. Sepala 

 lanceolata vel oblongo-lanceolata, 4 — 5 mm longa, glabra, apice rubro-(2 — )4-callosa. 



