1098 SÉANCE DU 98 NOVEMBRE 41924 Te 
losa, tuberculosa, textæ haud reticulatæ. Genus ad sect. Rhinantheæ- 
Digitalearum Wettst. pertinens, atque generi Ourisiæ afline. À quo 
differt præsertim longioribus filamentorum basi appendiculatis. 
Ourisianthus cæruleus Bonati, sp. nov. 
Radix in rectum descendens, annua. Caules erecti, debiles, herbacei, 
quadrangulares, anguste alati, glabrescentes, ramosi, ramis productis 
erectisque, ca. 80 em. alti. Folia opposita, lanceolato-linearia, acuta, 
in petiolos alatos basi attenuata, membranacea, acutidentata dentibus 
parum numerosis distantibusque ; nervi pennati, subtus prominentes ; 
limbus 5-8 mm. lg., 6-12 mm. lat. Bracteæ lineari-acutæ, 8-12 mm. lo., 
ca. Î mm. lat. ; bracteolæ nullæ. /nflorescentia in racemos terminales 
laxos ; flores pedunculis flexuosis, glabris, ca. 5 mm. longis. Calyx gla- 
ber, in 5 lobos usque versus basim fissus : quorum #4 æquales, ovato- 
acuti, quintus anguste lineari-acutus ; lobi trinervati, nervis parallelis, 
haud anastomosis, 5-6 mm. longi. Corolla cærulea ; tubus ca. 1 mm. le, 
pars in calyce inclusa cylindrata, superna pars patula campanulataque ; 
Hmbus ca. 5 mm. 1g., 5 lobis subæqualibus, ovato-rotundatis, pilis 
articulatis capitatisque ciliatis ; 2 lobi erecti, 3 patuli ; tubus 2 laminis 
pilorum crisporum in 1/3 inferiore præditus atque 2 staminodiüs pro- 
ductis pilosisque. Pedunculi 4-8 mm. lg. Stamina 4, didynamia ; 2 lon- 
giora appendice globulosa pilosa, ad insertionem, prædita. Filamenta 
glabra, filiformia, ramo sterili aliquando basi prædita. Antheræ loculis 
apice conniventibus, ovoidibus, glabris. Stylus filiformis, glaber, per- 
sistens, Stigma rhomboide, in oris pilosus. Capsula glabra, calyei æqui- 
longa, ovoides apiculata, septicida. Semina numerosisSima, minima, 
V mm. lg., prismatica, apice apiculata, angulosa atque tuberculis albi- 
dis in angulis prædita. 
Habit. — ANNAM : Nha-trang, sol argileux, 9-5-1922 
(Aug. Chevalier, plantes de l’Indo-Chine, n° 3191). 
Adenosma Debilis Bonati, sp. nov. s: 
Planta annua, debilis, floribus albis roseo-suffusis (Evrard). Radix 
in rectum descendens, parum ramosa, gracilis. Caules erecti, ramosi, 
ramis divaricatis, quadrangulares, angusteque alatü, basi glabri, apice 
hirsuti, 10-15 em. alt. Folia carnosa opposita, petiolata, hirsuta rhom- 
boidia, basi longissime attenuata, in oris crenata : dentes 4-5 in utraque 
ora, nervi subtus parum visibiles pennatique ; petiolus 2-5 mm. lg: ;- 
limbus 10-15 mm. lo., 4-6 mm. lat. Practeæ foliüiformes, petiolulatæ, 
floribus longiores, superiores lineares. Bracteolæ lineares subfiliformes, 
ca. 10 mm. Ig., longis pilis sericeis articulatis dense tectæ. Inflores- 
centia. Flores ad axillam foliorum superorum bractearumque singulares, 
et ramorum apice in racemos spiciformes, pauciflores interruptosque 
dispositi, peduneuli filiformes ca. 1 mm. longi. Calyx ca. 5 mm. Ig., 
usque versus basim in 5 lobos lanceolato-acutos fissus, quorum duo 
æquales angustique (1 mm.), tres duplo vel triplo latiores, omnes longis 
pilis translucidis articulatis dense tecti ; nervi 3, paralleli, haud anas- 
tomosi ; nonnullæ glandulæ translucidæ in utraque principalis nervi 
parte. Corolla alba roseo-suffusa, membranacea, calyce duplo longior, 
bilabiata ; superius labium bilobatum, erectum ; inferius labium trilo- 
batum, lobis ovato-obtusis, subæqualibus. Stamina basi inserta, nota- 

