24 
Annals ' of Botany . 
Maturation in Achlya americana var. cam- 
brica (*), xiii. 142, 160 ; Nemalion multi- 
fidum (*), xviii. 613; Pinus Strobus (*), 
xv. 442 ; Pythium de Baryanum (*), xv. 
661 ; Pythium ultimum (*), xv. 281, 289. 
Meconopsis, description of species, xx. 343 ; 
distribution, xx. 336 ; generic characters, 
xx. 340 ; history, xx. 323 ; key to species, 
xx. 341; morphology (*), xx. 325; pro- 
perties, xx. 340; taxonomy, xx. 330. 
— aculeata, description, xx. 347. 
— bella, description, xx. 341. 
— betonicifolia , description, xx. 369. 
— cambrica, description, xx. 343. 
— chelidonifolia, description, xx. 364. 
— crassifolia, description (*), xx. 345. 
■ — Delavayi, description, xx. 350. 
— discigera, description (*), xx. 356. 
— grandis, description, xx. 353. 
— Guilielmi- Waldemari, description, xx. 347. 
— Henrici, description, xx. 350. 
— heterophylla, description (*), xx. 344. 
— horridula, description, xx. 348. 
var. racemosa, description, xx. 348. 
var. rudis , description, xx. 347. 
— integrifolia, description, xx. 352. 
— integrifolia , description (*), xx. 353. 
lancifolia, description (*), xx. 349. 
— ■ napaulensis, description, xx. 347. 
— napaulensis, description (*), xx. 359. 
— nepalensis , description, xx. 347, 357, 358. 
— nipalensis, description, xx. 358, 359. 
— Oliveriana, description, xx. 365. 
■ — paniculata, description, xx. 358. 
■ var. data, description, xx. 358. 
• — paniculata , description, xx. 359. 
— primulina, description, xx. 350. 
— principis, description, xx. 350. 
— pseudointegrifolia, description (*), xx. 
353 - 
— punica, description, xx. 355. 
— quintuplinervia, description, xx. 354. 
— racemosa, description, xx. 347. 
— • robusta, description, xx. 359. 
— robusta , description, xx. 359. 
— rudis, description, xx. 347. 
— simplicifolia, description, xx. 354. 
— sinuata, description, xx. 347. 
var. Prattii , description, xx. 347. 
— superba, description, xx. 357. 
— torquata, description (*), xx. 355. 
— - Wallichii, description (*), xx. 360. 
var. rubrofusca , description, xx. 359. 
— Wollastonii, description, xx. 358. 
Medeola virginica, mechanism of stomata 
(*), xvi. 333. 
Medullosa anglica : a new representative of 
the Cycadofilices (+), xiii. 183 ; description, 
xiii. 187; root-structure (*), xvii. 425; 
structure, xiii. 183. 
Megaloxylon Scotti, n. gen. et sp., descrip- 
tion (t), xiii. 613 ; structure, xiii. 612. 
Melampsora Rostrupi, sexuality (*), xx. 41. 
Melanospora discospora, n. sp., description 
(*), xv. 352. 
Melocactus, morphology of embryo and 
seedling, xii. 459. 
Melon, precocious germination (*), xvi. 149. 
Meristele, definition, xvi. 523. 
Merulius lubricus, description (*), xi. 288. 
Mesarch bundles in Gycadaceae, in peduncles 
(* +), xi. 399 ; in sporophylls (*), xii. 212, 
et seq. 
Mesembryanthemum Bolusii, protective 
adaptations (*), xx. 125. 
— truncatum, protective adaptations (*), 
xx. 123. 
Mesocarpeae, observations on (*), xii. 37. 
Mesocarpus, action of light on, xii. 418. 
Mexican species of geophilous Peperomias 
(*), xx. 407. 
Microascus nidicola, n. sp ., description (*), 
xv. 350. 
— variabilis, n. sp. , description (*), xv. 349. 
Microcachrys tetragona, vascular system of 
female flowers (*), xiii. 537. 
Microglossum, description, xi. 264. 
— arenarium, description, xi. 283. 
— atropurpureum, description (*), xi. 267. 
— Hookeri, description (*), xi. 267. 
— lutescens, description (*), xi. 271. 
— multiforme , description (*), xi. 281. 
— olivaceum, description, xi. 270. 
— partitum, description, xi. 284. 
— viride, description (*), xi. 269. 
Microsporangia of Stangeria paradoxa, de- 
velopment and morphology (*), xi. 421. 
Migration of bulbs in the soil, xx. 429. 
Milk of Cocos nucifera, proteolytic action of, 
xvi. 9. 
Milla biflora, seedling-structure, xvii. 32. 
Mirabilis divaricata, seedling-structure, xx. 
474 ° 
Mitrula, description, xi. 253, 263, 295. 
— abietis, description (*), xi. 276. 
— alba, description, xi. 284. 
— alba, description, xi. 273. 
— antarctica, description, xi. 284. 
— arenaria, description, xi. 283. 
— Berterii, description (*), xi. 268. 
— bicolor, description, xi. 280. 
— crispata, description (*), xi. 295. 
— cucullata, description (*), xi. 276. 
— elegans, description, xi. 274. 
— exigua, description, xi. 285. 
— fusispora, description (*), xi. 277. 
— glabra, description (*), xi. 266. 
— globosa, description (*), xi. 281. 
— gracilis, description, xi. 278. 
— Heyderi, description (*), xi. 276. 
— Johnsoni, description, xi. 285. 
• — laricina, description (*), xi. 271. 
— ■ — f. alba, description, xi. 273. 
— lilacina, description, xi. 257. 
— lutea, description (*), xi. 275. 
— luteola, description (*), xi. 274. 
