PLANT NOTES FOR 1913, ETC. 



309 



forma foliorum, circumferentia siliculae et calyce persistente persimile 

 L. pubescenti Desv. (Am. bor. occ. et austr. occ), a quo tamenpraeter 

 characteres indicatos dignoscitur glandulis brevissimis nec calycis J 

 longitudine adaequantibus. L calycinum Godr. (Am. austr. or.), 

 quodammodo simile et affine glandulis brevibus, distinguitur indu- 

 mento breviore, foliis caulinis basi dilatatis et (normaliter) ± auri- 

 culatis, silicula elliptica vel obovata apice obtusa, super ne subconcava. 

 Silicula subdidyma reticulata, septo angustissimo et structura em- 

 bryonis accedit ad genus " Coronopus" praesertim ad C. didymum 

 (L.) Sm. ( = Lepidium didymum L.), differt tamen seminibus maturis 

 sponte e valvulis cadentibus, testa sub aqua mucilaginosa et funi- 

 culo distineto. An species formae ancestrali communi generum 

 " Lepidium" et " Coronopus" proxima 1 



P atria exacta ignota ; species tamen certe ex America australi 

 oriunda, semel in Europam introducta cum lanis exoticis. 



Scotia: Tweedside, Galashiels, Selkirk, 1913, leg. Miss Ida M. 

 Hayward. A. Thellung. 



247 (11). Lepidium fasciculatum Thellung. Alien, Australia. 

 Galashiels, Selkirk, 1913, Miss Ida M. Hayward. Det. A. Thellung. 



247 (12). Lepidium sagittalatum Thellung. Alien, Australia. 

 Galashiels, Selkirk, 1913, Miss Ida M. Hayward. Det. A. Thellung. 



247 (13). Lepidium hyssopifolium Desv. em. DC. Alien, 

 Australia. Galashiels, Selkirk, 1913, Miss Ida M. Hayward. Det. A. 

 Thellung. 



247 (14). Lepidium Aucheri Boiss. in Ann. Sc. Nat., ser. ii., 

 xvii., 195, 1842. Alien, Oriens. Galashiels, Selkirk, 1913, Miss Ida 

 M. Hayward. Det. A. Thellung. 



247 (15). Lepidium africanum Burm. f., var. capense Thunb. 

 Alien, Africa, Australia. Galashiels, Selkirk, 1913, Miss Ida M. 

 Hayward. Det. A. Thellung, 



290. Helianthemum canum x Chamaecistus = H. Bickhami, 

 E. S. Marshall in Journ. Bot. 182, 1913, as a hybrid of H. 

 Chamaecistus x marifolium. Llandudno, Carnarvon. Thellung in 

 Bull. Herb. Boiss. 496, 1907, gave reasons for preferring as more 

 correct the name H. canum Baumg., rather than that of marifolium 



