944 MR. F. N. WILLIAMS : REVISION 
obovato-oblonga vel oblongo-lanceolata sessilia. Flores in cymam 
laxam dispositi, alares longe pedicellati. Sepala erecta acuta 
inzqualia; exteriora 2 late ovata carinata, intermedium ovato- 
oblongum, nervo valido denticulato, interiora 2 obovato-oblonga 
carinata. Petala oblongo-linearia integerrima alba, calycem 
wquantia. Capsula ovato-globosa, apice dentibus 6 dehiscens. 
Semina compresso-subglobosa, obtuse tubereulata. 
A. spathulata huic affinis, sed przesertim differt pube glanduli- 
ferá viscosa, sepalis hispidis æqualibus oblongo-lanceolatis 5- 
nerviis marginato-membranaceis, petalis obovatis calyce duplo 
longioribus, et seminibus minute ruguloso-tuberculatis. 
Hab. Algeria: Gharrouban and Afir in dept. of Oran. 
Iconogr.—Ooss. Illustr. Fl. Atlant. fasc. iii. (1890), p. 151, t. 98. 
tt Folia acuta. 
5. A. OBTUSIFLORA, Kunze, Chloris Austro-Hisp. in Flora, xxix. 
(1846) p. 632; Willk. & Lange, Prodr. Fl. Hisp. iii. p. 621. 
Similis A. modeste, hsc autem differt foliis paullo magis 
pubescentibus, sepalis trinerviis valde acutis, petalis calycem 
subeequantibus, seminibus breviter tuberculatis: etiam a Boissier 
(in Pugill. Plant. p. 23) cum A. conimbricensi perperam con- 
juncta est; differt ab ea caule altiore, ramis filiformibus erectis 
gracilioribus pedicellisque glabris vel sub lente minutissime 
puberulis, foliis lineari-lanceolatis breviter acutis conspicue 
uninerviis, floribus minoribus in cymâ  repetito-dichotomà 
regulari dispositis, sepalis obovato-oblongis, antheris luteis. 
Geogr. range.—N. § E. Sierra de Chiva, in prov. of Valencia, 
where it was first collected by C. Boutelou, and re- 
corded by him under the name of A. saxatilis, Linn. 
S. & W. Peña Alta near Velez-Rubio, in prov. of 
Andalusia (Rouy, 1881). 
A rare but distinct species found only in S.E. Spain. 
Iconogr.— Willk. Ic. descr. Pl. Rar. Hisp. i. p. 91, t 615. 
SYN. A. saxatilis (non Linn.), Bout. ez Willk. et Lge. Prodr. FI. Hisp. 
iii. p. 621. 
6. A. CONTROVERSA, Boiss. Voy. Bot. Esp. P- 100 (1839); 
Willk. & Lange, Prodr. Fl. Hisp. iii. p. 622. a 
Although Gay compares his A. tenuis with 4. modesta, n 
examination and comparison of the type-specimens 10 Her 
Kew. unmistakably show them to be identical with A. controver s 
The specimens collected by Porta and Rigo in 1891 (exs. 2° 
