at Hendon Vicarafre, Middlesex. 



315 



48 subpolyedra. 8 in. high, and 4 in. 



in diameter. — Syn. M. poly- 

 gona ; M. xalapensis ; M. anisa- 

 cantha. 



49 anisacantha. 8 in. high, and 4 in. 



in diameter. 



50 Zuccarini«««. 3 in, high, and 



4 in. in diameter. — Syn. M. 

 macracantha. 



51 Z. var. monstrosa. Sin. high, 



and 5 in. long. 



§ ii. Teats smaller. 



52 carnea. 3 in. high, and 3 in. in 



diameter. 



53 Seitz/ff«ff. 4 in. high, and 4^ in. 



in diameter. 



54 unciniita. 4 in. high, and 4^ in. 



in diameter. 



55 u. var. biuncinata. 3 in. high, 



and 3 in. in diameter. 



56 glomerata. 2iin. high, and 7 in. 



in diameter. 



57 hystrix. 5 in. high, and 7 in. in 



diameter. 



58 leucotricha. 3 in. high, and 6 in. 



in diameter. 



59 leucocarpa. Bin. high, and 15 in. 



in diameter; 2 heads. 



60 xanthotricha. 2 in. high, and 4 in. 



in diameter. 



61 macrothele. 4i in. high, and 5 in. 



in diameter. — Syn. M. co- 

 nopsea. 



62 deflexispina. 6 in. high, and 7 in. 



in diameter. 



63 Karwinskii. 4 in. high, and 9 in. 



in diameter ; 6 heads. 



64 centrispina. 2iin. high, and 3^in. 



in diameter. 



65 aeruginosa. 4 in. high, and 5 in. 



in diameter. 



66 diacantha. 4 in. high, and 4iin. 



in diameter. 



67 caput Medusas. 5 in. high, and 



13 in. in diameter; 9 heads. — 

 Syn. M. sempervirens. 



§ iii. Teals more robust , and more 

 globular. 



68 cirrhlfera. 5 in. high, and Sin. 



in diameter. 



69 angularis. 4i in. high, and 2^ in. 



diameter. — Syn. M. compressa. 



70 subangularis. 4i in. high, and 



7 in. in diameter. — Syn. M. 

 cirrhlfera spinis fuscis. 

 71. arietina. 5 in. high, and 7 in. 

 in diameter. 



72 magnimamma. 4 in. high, and 



3 in. in diameter. — Syn. M. 

 ceratophora ; M. Schiederraa. 



73 exsudans. 2 in. high, and 2 in. 



in diameter. — Syn. M. cur- 

 vata. 



74 gladiata. 3i in. high, and 3i in. 



in diameter. 



Subsect. 4. Te'nu^. — Teats short ; 

 columns caspitose, slender; yellow 

 except the two last ones, 



75 echinata. 6 in. high, and 7 in. in 



diameter. — Syn. M. densa. 



76 elongiita. 10 in. liigh, and 2iin. 



in diameter. 



77 tenuis. 3 in. high, and 7 in. in 



diameter. 



78 t. var. media. 3 in. high, and 



12 in. in diameter. — Syn. M. 

 Stella aurata. 



79 t. var. subcrocea. 3 in. high, and 



4 in. in diameter. 



80 intertexta. 3 in. high, and Sin. 



in diameter. 



81 sphacelata. 7 in. high, and 12 in. 



in diameter. 



82 gracilis. 2i in. high, and 2iin. 



in diameter. 



Subsect. 5. LoNGiMA'MMiE. — Teats 

 long, soft, and cylindrical. 



83 longimamma. 4i in. high, and 



7 in. in diameter. 



84 1. var. congesta. 3 in. high, and 



4 in. in diameter. 



85 uberiforrais. 2 in. high, and 3iin. 



in diameter. 



86 u. var. decipiens. 3 in. high, and 



3i in. in diameter. — Syn. M. 

 inuncinata. 



Subsect. 6. AuLACOTHE^L.iE. — Teats 



large, lobed or channeled. Some, 

 and, perhaps all, large-flowered, 

 like those of the Echinocdcti. 



§ I, Columnar. Teats long, chan- 

 neled. 



87 Lehmann/. 14 in. high, and 5 in. 



in diameter. 



88 clava. 10 in. high, and 4i in. in 



diameter. 



89 rhaphidacantha. 6 in. high, and 



2i in. in diameter. — Syn. M. 

 clavata. 



90 ancistracantha. 7 in. high, and 



2iin. in diameter. — Syn. M. 

 stlpitata. 



