119 



Leaves oblanceolate-linear or linearj up to 

 1 cm. broad, more or less spinulose : 



Style-arms 1-2 mm. long : 



Calyx-segments oblong-lanceolate 



(tig. 2) ... ... ... ... 2, E. leuco2)haeum. 



Calyx-segments linear-lanceolate 



St} 



3) 



• ^ » 



3. E, Bond-Spragiieu 



Lateral calyx-segments shorter than 



the corolla-tube (fig. 4) 4. E. brevirame. 



Lateral calyx-segments lojiger than 



the corolla-tube (fig. 5) ... ... 5. ^. acideahtm. 



1. E. giganteum, Linn, f. SuppL p. 131 (1T81); Ait, Hort. 



Kew. voL i. p. 187; Vent. Jard. Malm. t. 71; J. F. Jacq. EcL 

 PL p. 93, t. 63; Lehm. PL AsperifoL p. 406; Webb & Berth. 

 Phy^t. Canar. sect. 3, p. 48^ t. 149; Christ in Engl. Jahrb. vol. 

 ix. p. 128; Bornmuller in EngL Jahrb. voL xxxiii. p. 465; De 

 Coincy in BulL Herb, Boiss. eer. 2, voL iii. p. 271, partim 

 (forma genuina). 



Folia lata (usque ad 3*5 cm.), angnste oblanceolata, acuta vel 

 obtusa, spinulis fere carentia, nervis lateralibus subtus distinctis, 

 subtus yix sericea. Calycis segmeiita late linearia, obtusa, 



latiora, in basin paulo angustata; segmenta lateralia 

 corollae tubo breviores vel eum aequantia, 8-9 mm. longa, 

 l-4-l'6 mm. lata. Corolla alba, manifeste zygomorpha, lobo 

 antico ceteris superante; lobns anticus 3-3-75 mm., laterales 



me 



5-3 



Stami7ia antica 6-5-7 mm. 



supra basin corollae, 6-7 mm, infra apicem lobi antici inserta. 

 Stylus tenuiter pilosus, pilis ascendentibus ; rami 2-2-5 mm. 

 longi, apice vix incrassati. Nuculae deorsum valde angustatae, 

 fiatis graciles, pauci-echinulatae. 



Canary Islands, Northern coast of Tenerife ; — In steep 

 places, Masson (coll. 1778). Near Puerto Orotava : border of a 

 field by the road between Puerto Orotava and Santa Ursula, 

 young fl. Nov. 26, Lowe 99 bis; El Durasno, fl. and fr. May 

 26, Sprague ^ Hutchinson 98; Barranco Martianez, fl. Jan., Bur- 

 chard 77 (Zurich Polytechn.) ; on rocks at El Burgado, fl. Feb,, 

 Bdurgeau I. 896 ; rocks to the east, and hill west of San Antonio, 

 fl. Dec, Lowe 98 bis; sea cliffs at La Pata, fl. Dec, Lowe 98 bis. 

 Icod el Alto, 600 m., fl. Jan,, Collett. In shaded rocky places 

 between Icod de los Vinos and Garachico, 200 m., Bornmiiller 

 2660 (ex Bornmuller, I.e.). Garachico, on maritime rocks, fl. 

 Peb., Pitard (Zurich Polytechn.). Risco de Oro, on rocks, 



120 m., Dinn 5. 



E. giganteum may be readily recognised by its broad unarmed 

 leaves, long style-arms and relatively slender pauci-echinulate 



nutlets- 



2. E. leucophaeum, Webh ex Bourg. PI. Canar. I. 466, II. 

 1438; De Coincy in Bull. Herb. Boiss. ser. 2, vol. iii., p. 271, 



in 6yn. ; sp. nov. . . . 



Folia conferta, angusta (usque ad 1 cm. lata), linearia vel 



