366 MR. F. N. WILLIAMS : REVISION 
interiora angustius membranaceo-marginata. Capsula oblongo- 
ovoidea, minus ventricosa. 
bb. Eglandulose. Pedicelli calycem subsquantes, vel eo 
tantum sesquilongiores. 
y. macrocarpa, Lloyd, Fl. Loire-Inf. p. 42 (1844). 
Viridis, scabra. Caules 2-10 centim.  Panicula densa, brevis; 
pedicellis fructiferis erectis, calycem equantibus. Sepala nervis 
densatis instructa. Capsula quam in typo lentior. 
ò. gracillima, Willk. & Lange, Prodr. Fl. Hisp. ii. p. 620. 
Pusilla, tenera. Caules 2-10 centim., ob internodia abbreviata 
eleganter distichophylla. Folia minima sed internodia super- 
antia. Flores dimidio minores quam in var. a, in cymam sub- 
corymbosam dispositi. Sepala interiora subuninervia (nervis 
lateralibus fere obsoletis). Semina dimidio minora. 
cc. Glanduloso-pilose. Pedicelli calyce 2-3-plo longiores. 
e. patula, JMartr.- Don. (sp.) Fl. Tarn, i. p. 107 (1864). 
Viridis. Rami diffuso-patentes. Pedicelli fructiferi repando- 
patentes. 
č. alpicola, G. Beck, in Ann. k.-k. Naturhist. Hofmus. vi. 
p. 326 (1891). 
Tota copiose glanduloso-pilosa; planta ramosissima multiflora 
procumbens. Sepala ovata acuminata multinervia viridia, interiora 
membranaceo-marginata. Petala elliptica, calyce tertia breviora. 
Semina squamato-verrucosa. 
dd. Glandulose. Pedicelli calyce sesquilongiores. 
n. Viscidula, Roth, Enum. Pl. Germ. ii. p. 818 (1827) — 
Minor, glauca, superne tantum glanduloso-pilosa. Pedicelli 
erecti. Capsula latior, fere subglobulosa. 
Hee herba verim est species polymorpha, quoad internodi- 
orum longitudinem, foliorum figuram, florum magnitudinem et 
dispositionem atque indumentum valde varians. 
As in the case of A. grandiflora, the grouping (and sequence) 
of the many variable forms of this species into seven varieties is 
based on examination of the very copious material in the Vienna 
Herbarium. It is a common plant of wide distribution over 
Europe, Asia, and North Africa ; introduced into N orth America, 
but scarcely naturalized there. 
t 
On English hills it ascends to 600 metres; on the Grea 
