NOTES OX BRITISH EUPHRASIAS 173 



tinctly aristate. It may Be added that Mr. Hiern's figure is drawn 

 from weak plants and does not portray the intricate branching that 

 is prevalent in well-grown examples of the species. 



Of the variety nana mentioned by Mr. Bucknall (Brit. Euphr. 

 p. 23) I have seen no material; of var. arhuscula (l. c. p. 24) 

 authentic specimens in Mr. Barton's herbarium from Patterdale and 

 Moel Siabod seem to me unconnected with the Exmoor plant and 

 referable for the most part to £J. curta var. piccola Towns. 

 Mr. Pearsall's plant from Bigland, similarly named, shows dis- 

 tinctly larger flowers, and I think is probably a stunted form, such as 

 is occasionally seen in hilly districts, either of E. Kerneri or eglandular 

 E. brevipila. 



I may add that I collected a EupTirasia near Keswick in 1903, 

 with simple stem, broad, obtuse leaves, and very small, whitish flowers, 

 which I referred at the time to E. scotica, but which in the dry state 

 is not readily distinguishable from true E. minima. 



Euphrasia hirtella Jordan. 



It is a curious coincidence that this paper, which has been largely 

 devoted to contesting the identification of the yellow-flowered Eye- 

 bright of Exmoor with the Swiss E. minima, should be concluded by 

 an introduction to the British Flora of E. hirtella, which often grows 

 in the Alps with E. minima and occasionally forms hybrids with it. 

 The basis of this new introduction is a set of specimens which I 

 collected on a rocky pasture near Llanberis, in North Wales, in 

 September, 1917. The plants attracted my attention owing to their 

 robust, erect, unbranchecl habit, and their shaggj^ grey-green foliage ; 

 and at the time of gathering them I omitted to notice the glandular 

 character of the hair-clothing and sujDposed that, as they bore quite 

 small flowers, they were referable either to E. curta or E. latifolia. 

 On recently examining the specimens, I immediately saw that the 

 hairs were glandular as in E. JRostkoviana, and that the habit and 

 small flowers, in conjunction with this feature, brought them to 

 E. hirtella Jordan, a species that I have collected at Arolla and else- 

 where in Ihe Pennine Alps. 



The National Herbarium contains an authentic French example 

 of E. hirtella, received from Jordan himself, as well as other good 

 exsiccata that are clearly conspecific, and a comparison of these and 

 the Kew collection with my Llanberis material reveals no essential 

 differences. The chief divergence is that the British specimens, the 

 tallest of which is but 12*5 cm. high, do not show the distant lower 

 leaves referred to in Jordan's original descrijjtion (Renter, Comptes 

 rendus des travaux de la Societe Hallerienne, iv. p. 120 (1854-6)) 

 — a feature readily seen in most of the foreign exsiccata. But this 

 does not appear to be a constant character, for it is omitted from 

 Wettstein's diagnosis, and in undoubted examples that I collected at 

 Arolla in 1906 the lower internodes are scarcely longer than those of 

 the Llanberis form, as seen in 1917. The nature of the Llanberis 

 habitat — a barren, cool and wind-swept situation — may be conducive 

 to the plant's dwarf growth there, or it may prove that it constantly 

 differs in this respect from the Continental type and is varietally 



