294 R- Knuth. — Oxalidaceae. 



Pringle, PI. mexic. a. 4 898, n. 6891!). Dept. Hidalgo, bei Metepec Station, 2600m 

 (Pringle, PI. mexic. a. 4 904, n. 11943!). Dept. Puebla, Gerro de Gavilan (Purpus, 

 Fl. Mexico a. 1909!), Santa Barbara (Nicolas a. I 91 !). Ohne Standortsangabe (Parry, 

 Mex. Bound. Surv.!). 



575. 0. furcata Rose in sched., ex R. Knuth in Notizbl. Bot. Gart. Berlin VII. (1919) 

 317. — Jonoxalis furcata Rose in Contr. Un. St. Nat. Herb. X. (1906) 111, t. 35, f. t ; 

 Small in North Americ. Fl. XXV. 1. (1907) 36. — Florifera 12—18 cm alta, acaulis. 

 Radices e facie inferiore bulbi provenientes, fibrosae , tenues. Bulbus circ. 1 5 mm 

 crassus, rotundatus vel oblongo-rotundatus, pallide vel griseo-brunneus ; squamae multi- 

 nervatae, setoso- sed non lanate dissolutae. Folia basalia, pauca, 2 — 5, satis longe 

 petiolata; foliola 5 — 9, glabra, minute impresso-punctulata, usque 30 mm longa, ambitu 

 lineari-cuneata , usque ad 2 / 5 — */ 2 biloba; lobi facie superiore virides, facie inferiore 

 pallidiores, lineares, O/4 — * 3 A mm ^h °btusi; petioli exs. 1 mm crassi, glabri, foliolis 

 3 Ä /j — 4-plo longiores, 5 — 10 cm longi. Pedunculi basales, glabri, foliis 2-plo longiores, 

 9 — 15 cm longi, apice umbellam simplicem 3 — 8-floram gerentes. Bracteae latae, 2 mm 

 longae, irreguläres. Pedicelli 1 y 2 — 2 cm longi, exs. fere filiformes, glabri. Sepala 

 anguste oblonga, 4 — 4*/j mm longa, minutissime glanduloso-pubescentia, apice breviter 

 rubro-bicallosa. Petala violacea, 13 — 15 mm longa. Filamenta minute pubescentia, 

 non appendiculata. 



Mexiko: Dept. Jalisco, Guadalajara (Pringle, PI. mexicanae a. 1902, n. 8659 — 

 Typus!, Rose n. 6402). — Blühend Juli. 



576. 0. confusa (Rose) R. Knuth in Notizbl. Bot. Gart. Berlin VII. (1919) 316. — 

 Jonoxalis confusa Rose in Contr. Un. St. Nat. Herb. X. (1906) 110, t. 35, f.1 ; Small in 

 North Americ. Fl. XXV. 1. (1907) 36. — Bulbifera, 10 — 20 cm alta; bulborum squamae 

 multinervatae. Folia pedunculo aequilonga vel longiora; foliola 5 — 8, cuneata, 2 — 4 cm 

 longa, usque ad medium bipartita, glabra, glauca, lobis zb linearibus; petioli glabri vel 

 prope basin pilis paucis obsiti. Pedunculi glabri, plerumque 5 — 1 0-flori. Pedicelli 1 — 

 2 cm longi, glabri. Sepala lanceolata vel oblonga, 3*/ 2 — 4 mm longa, glabra, apice 

 tuberculis 2 brevibus instructa. Petala purpurea, 8 — 11 mm longa. Filamenta pubes- 

 centia, non appendiculata. 



Mexico: Dept. Jalisco, Guadalajara (Pringle a. 1889, n. 2789 — Typus!). 



577. 0. tlalpamensis R. Knuth in Notizbl. Bot. Gart. Berlin VII. (1919) 316. — 

 Florifera 20 — 35 cm alta, acaulis. Radices e facie inferiore bulbi provenientes, fibrosae, 

 brunneae, satis tenues. Bulbus 17 — 20 mm diam., rotundatus, pallide brunneus, squamis 

 magnis obtectus; squamae 10 — 20 mm longae, lineari-lanceolatae vel lineares, acumi- 

 natae, acutae, grosse nervatae, plerumque setoso- sed non lanate dissolutae. Folia 

 basalia, pauca, 4 — 7, =t longe petiolata; foliola 4 vel 3, glabra, 30 — 40 mm longa, 

 ambitu triangularia, antice sinu obtuso usque ad 2 / 3 incisa; lobi lanceolato-lineares vel 

 lineares, saepe 25 mm longi, 7 mm lati, apice obtusi vel rotundati; petioli exs. 1 */ 2 mm 

 crassi, glabri vel inferne sparsim hirsuti, foliolis 4- vel multiplo longiores, 10 — 27 cm 

 longi. Pedunculi basales, glabri, foliis |*/j — 2-plo longiores, 15 — 35 cm longi, apice 

 umbellam simplicem 7 — 1 7-floram gerentes. Bracteae ovatae vel lanceolatae, satis ir- 

 reguläres, =b membranaceae, 1 i / 2 — 3 mm longae. Pedicelli circ. 1 y 2 cm longi, tenues, 

 exs. y 2 — Y3 mm crassi, glabri. Sepala lanceolata, longe acuminata, acuta, apice rubro- 

 bicallosa, 5 mrn longa. Petala violacea, sepalis 3-plo longiora, 15 — 18 mm longa, e 

 basi angusta spathulato-obovata, apice zb rotundata. Styli dense tomentosi. 



Mexico: Dept. Mexico, Tlalpam, auf Lavafeldern, 2400 m (Pringle, PI. mex. 

 a. 1901, n. 8530 sub O. tetraphylla — Typus!). — Blühend Juli. 



Sect. 32. Cernuae R. Knuth. 



Cernuae R. Knuth in Engler's Bot. Jahrb. L. Supplementband (1914) 225. — 

 Bolboxalis (genus) Small in North Americ. Fl. XXV. 1. (1907) 27. — Caprinae (sect.) 

 DC. Prodr. I. (1824) 695. 



