100 
18. 0XALIDACE2E. 
commonest weeds in gardens and vineyards. Throughout the 
year. — Truly ann. propagating only by seeds. St. 4-12 in. long 
reddish or purplish. FI. small mostly 2 or 3 in little umbels, 
y., the throat with a reddish spot on each pet. Stam. di- 
stinctly monadelphous downwards. Styles the length of the 
longer stam. Caps, large in proportion. The pi. is used for 
rubbing out stains of iron-rust &c. from linen. 
** Stemless; ped. from the root many-fld. umbellate; lfts. 
temate. 
tf2. 0. Mabtiana Zucc. 
Root solitary scaly producing turions ; pi. shining somewhat 
hairy-pubescent; lfts. broad ample widely obcordate deeply 
notched almost 2-lobed plain-coloured ciliate somewhat hairy 
all over chiefly beneath ; scapes pubescent umbellate slightly 
branched rather numerously fld. scarcely longer than the 1. ; 
umbel lax compound loosely branched ; pedic. lax drooping 
slender flexuose or reflexed ; sep. a little obtuse with 2 callous 
spots at the tip; pet. narrow ligulate-wedgeshaped distinct; 
styles halfway between the longer and shorter stam. — Zucc. 
Mon. p. 20 ; Nachtr. p. 27 ; BM. 3938. 0. urbica Hil. FI. Bras. 
Merid. i. 126 ; Spr. Cur. post. iv. 185. “ O. Jioribunda Link 
and Ott. Abbild. Gew. t. 10” (ex Zucc.). 
/S. bipunctata \ scapes and pedic. hairy, fl. pale v. or lilac. — 
O. bipunctata Graham in BM. 2781, opt. — Herb. per. Mad. 
reg. 1 ; r. A weed in vineyards and gardens about Funchal 
here and there, as about the Quinta do Valle, &c. Nov.-May 
chiefly. Remarkable for its veiy large lfts. about 1£ in. long 
and broad, of a lucid bright full gr. on both sides. Scape about 
6 in. long. Umbel loose with long fl. -stalks often compound. 
Fl. not large, about the size of those of O. Acetosella L. — Root 
merely ann. but propagated perennially from year to year by 
successive turions or tubers. 
tt3. O. cernua Thunb. 
Root simple fusiform scaly at the crown and turion-bearing ; 
pi. sometimes slightly caulescent smootliish ; lfts. deeply ob- 
cordate or bilobed slightly ciliate smooth above, dark-spotted 
or blotched ; scapes umbellate many-fld. longer than the 1. ; 
umbel simple crowded close ; pedic. drooping or reflexed very 
unequal, somo elongated. — DC. i. 696 ; Spr. ii. 426. O. caprina 
Curt, (not Linn.) BM. t. 237 (with single fl.). 
/3. plcnijlora ; 11. double. — Herb. per. Mad. r eg. 1 ; Road- 
sides, vineyards and gardens about Funchal in many places; 
Caminho dos Saltos a little above the “ Deanery,” &c. Nov.- 
May. — Root simple fusiform fleshy white reddish or purplish 
upwards annual propagating from year to year by numerous 
