94 THE FLORA OF THE ALPS 
Ticino. O. Laserpitit Sileris, Rap.; stem swollen at the 
base into a large ball, corolla brownish-yellow streaked 
with violet; on Laserpitzum Siler; Jura, Saleve, Bern. 
O. elatzor, Sutt.; plant yellow, corolla reddish-brown ; on 
Centaurea Scabiosa. O. Cervarig, Suard.; corolla fawn- 
coloured tinted with violet, sepals distinct; on various 
Umbellifere. O. rudens, Wallr.; corolla reddish-brown, 
sepals 2-3-cleft; on various Leguminosz, rare. .O. 
major, L. (Rapum, Thuill.); tall, coarse, with large 
brown flowers; on Leguminose, frequent. O. cruenta, 
Bert.; smaller, corolla yellowish; on Leguminosz. O. 
cerulea, Vill.; whole plant blue-purple, anthers glabrous ; 
on Achillea millefolium. O. arenaria, Berk.; similar, 
but anthers hairy; on Artemisia campestris; Vaud, 
Valais. O. ramosa, L.; stem branched; on tobacco and 
hemp. 
The following additional species are recorded from the 
Pyrenees :—O. cesta, Rchb. ; bracts woolly ; on Artemzsza 
gallica. O. variegata, Wallr.; flowers yellow veined 
with brown and purple; on Leguminosz. O. sfeciosa, 
DC.; whole plant scaly; on Vzcca Faba. Also O. 
amethystea, Thuill.; whole plant violet, bracts linear- 
lanceolate; on Eryngium campestre and other plants; 
Piedmont ; and many other species in the South of France 
and North of Italy. 
Order LXIII.—LENTIBULARIACEZ. 
Flowers solitary or in racemes; calyx persistent, 
2-lipped or 5-toothed; corolla 2-lipped, with short tube ; 
ovary I-celled, stigma 2-lipped; ovules numerous, on 
a free central placenta. A small order of aquatic or 
