154 R « Knuth. — Oxalidaceae. 



Xanthoxalis colorea Small, Fl. Southeast. Un. St. (1903) 668; Small in North Americ. 

 Flora XXV. 1. (1907) 53. — Gaules erecti vel suberecti, villosi. Foliola utrinque pur- 

 purea, nervo medio saepe viridi percursa, 4 — 1 1 mm lata, utrinque pilis paucis obsita, 

 margine zb ciliata. Cymae umbelliformes. Pedunculi folia vix superantes. Pedicelli 

 6trigillosi, fructiferi =t reflexi. Sepala oblonga vel lanceolata vel lineari-lanceolata, 3 — 

 4 mm longa, praecipue apice ciliata, secus marginem sparsim ciliis obsita. Petala 8 — 

 11 mm longa, pallide lutea. Filamenta maiora superne ciliata. Capsulae dz graciles, 9 — 

 4 2 mm longae. 



Atlantisches Nord-Amerika, von Nord-Carolina bis Georgia und Missis- 

 sippi, in Wäldern (nach Small): Long Island (Curtiss a. 1878!). Florida, New 

 Smyrna (Burgess, Herb. Field Gol. Museum n. 58 ll). 



240. 0. recurva Ell. Bot. S. C. et Ga. I. (l 82 1) 526; Small in Bull. Torr. Bot. Club 

 XXI. (1894) 474, t. 22 2; Britt. et Brown, 111. Fl. II. (1897) f. 2255. — Xanthoxalis 

 recurva (Ell.) Small, Fl. S. E. ün. Stat. (1903) 668; Small in North Americ. Flora XXV. 

 1. (1907) 53. — Perennis, =b caespitosa. Radix usque 10 cm longa, 3 mm lata, 

 brunnea, ad Collum rhizomata longa proferens. Rhizoma circ. 4 — 6 cm longum, 1 — 

 2 mm crassum, zb pallide fuscum, gemmis minutis 1 mm diam. satis dense obsitum. 

 Gaules non raro numerosi, erecti, 10 — 17 cm alti, basi infima zb procumbentes, zb 

 villosi, herbacei, subsimplices, satis dense foliati. Folia alterna, ad apicem magis con- 

 gesta, trifoliolata, satis longe petiolata ; foliola viridia, indumento valde variabilia, iuvenilia 

 utraque facie et margine pilis adpressis zb dense pubescentia, mox autem subglabra 

 — margine et nervo faciei inferioris pilosulis — , satis tenuia, sessilia, inter se aequalia, 

 saepe 8 mm longa et 1 2 mm lata, late vel latissime obcordata, antice sinu fere acuto 

 usque ad */ 3 incisa; petiolus usque 4 cm longus, foliolis 5—9-plo longior, exs. 1 / 3 mm 

 crassus, dz laxus, zb dense pubescens; stipulae nullae. Pedunculi axillares, caules 

 saepe 4 V2~pl° superantes, e medio caulis provenientes, 9 — 15 cm longi, exs. 3 /4 mm 

 crassi, apice umbellam simplicem 2 — 5-floram gerentes, zb dense adpresse pubescentes. 

 Bracteae lineares, acutiusculae, 2V2 — 3 mm longae, pubescentes. Pedicelli pilis adpressis 

 obsiti, 10 — 17 mm longi, satis stricti. Sepala 4 72~&V2 mm longa, pilis adpressis 

 puberula, lanceolato-oblonga, obtusa vel obtusiuscula. Petala zb aureo-lutea, 12 — 15 mm 

 longa, late cuneata, margine antico rotundato-retusa, sepala 3-plo superantia. Filamenta 

 maiora non appendiculata, puberula. Styli dense puberuli. Capsulae columnares, satis 

 laxae, 11 — 13 mm longae, sparsim pubescentes, apicem versus sensim angustatae. 



Atlantisches Nordamerika, von Nord-Carolina über Georgia, Florida 

 und Mississippi bis Texas: Nord -Carolina, Biltmore (Biltmore Herb. a. 1904, 

 n. 1249h!). — Sud-Carolina, bei Charleston (Typus). — Georgia, bei Sylvania (Harper, 

 Georgia PI. a. 1904, n. 2082!). — Florida, Walton Co. (Biltmore Herb. n. 5383c!). — 

 Texas, Big Sandy (Reverchon a. 1902!), Grande Saline (Reverchon a. 1902'.). — 

 Nach Small [Bull. Torr. Bot. Club]: Süd-Carolina, Charleston (Elliott). Virginia, North 

 West (Britton et Small), Roanoke (Small et Heller), Falls of the Holston River 

 (Small). Nord-Carolina, Gold Hill (Small et Heller). — Zweifelhaft Massachusetts, 

 Nantucket (Day a. 1900, n. 66!). — Blühend April bis August. 



241. 0. Suksdorfii Trel. in Mem. Bost. Soc. Nat. Hist. IV. (1 888) 89; Small in Bull. 

 Torr. Bot. Club XXIII. (1896) 456. — O. pumila Nutt. ex Torrey et A. Gray, Fl. N. Am. 

 I. (1838) 212; Piper, Fl. Washington (1906) 380; non D'ürv. — Xanthoxalis Suksdorfii 

 (Trel.) Small in North Americ. Fl. XXV. 1. (1907) 53. — Rhizoma sparsim ramosum. 

 Caules decumbentes vel ascendentes, 10 — 30 cm alti, zb villosi, saepe sparsim villosi. 

 Foliola laete viridia, 13 — 26 mm lata, utraque facie pilis sparsis obsita et ciliata. Pedun- 

 culi petiolis aequilongi vel longiores. Pedicelli strigillosi, fructiferi refracli. Sepala 

 demum 4*/ 2 — 6 mm longa. Petala laete lutea, 12—18 mm longa. Filamenta maiora 

 pubescentia. Capsulae oblongae, satis robustae, dense minute pubescentes, apice abrupte 

 contractae. 



Pazifisches Nord-Amerika: Oregon und California (nach Small). Wash- 

 ington, Vancouver (Piper n. 4939 nach Piper). 



