APPENDIX 



209 



Order Oraminace.i! 



^f ilium verniilt; Bicb. — Differs from M. effusum, 

 L. , as follows : — Panicle close. Paica blunt. Stem 

 rough. Leaves short, linear-lanceolate. 1-4 in. 

 April. Herbaceous annual. Guernsey. 



Korleria vallfsinna, .Asch. & Gra;bn. — Erect 

 Rootstock covered with dense mat of persistent 

 fibres of leaf- sheaths. Leaves short, turned 

 b.irk, turned over .-xt marjfins, stiff, bluish-white. 

 6-15 in. Jinie. Herbaceous perennial. 



L.AKES, RI\1:RS, ETC. 



Orper Ranincilace.^ 



Water Buttercup (Ra)iiincu!:;s pcllatus, 

 Schr.ink). — Klo.iting leaves divided half-way into 

 3 wedgfe-shaped setfmenls. Submerged leaves 

 thread-like, generally stiff. Flowers large. May- 

 September. Herbaceous perennial. 



Order Gera.ni.\ce.«; 



Grange L-I^am (Impalieus bijlora, Walt. = /. 

 fulva, Xutt.).^Differsfrom /. Xoli-mc-laiigcri\ L., 

 as follows : — Leaves acute. Flowers orange. Pos- 

 terior sepal suddenly contracted into a turned- 

 back, notched spur. 1-3 ft. July-October. Her- 

 baceous annual. American, naturalized. 



Order L'mbellifer.* 



River Water Dropwort {CEnanthe fluvial His, 

 Colem.). — Floating. Segments of submerged 

 leaves parallel. Fruit as long as styles. [In 

 CE. Phellandrium, Lamk., a plant of still waters, 

 leaf-segments are spreading and fruit twice as 

 long as st)'les.] July-September. Herbaceous 

 perennial. 



Order Scropiiilariace.* 



Musk (Mimulus rnosc/iatus, Dougl.). — Ascend- 

 ing. Glandul-ar, hairy, musk -scented. Leaves 

 elliptical, small. Flowers narrow, yellow. 6-18 in. 

 July. Herbaceous perennial. Naturalized. 



Water Speedw^ell ( Veronica Anagallis-aguatica, 

 L-). — Inflorescence long, dense-flowered. Flower- 

 stalks ascending. Flowers generally pale-blue. 

 I'Vuit ovalc-obcordate, narrow below, with narrow 

 notch atlip. 1-2 ft. July. Herbaceous perennial. 



Veronica aquatica, Bernh. — Differs from last as 

 follows: — Inflorescence loose. Flower-stalks hori- 

 zontal. Flowers white or pale-pink. Fruit broad, 

 not narrowed below, deeply notched. 



Order LabiaT/E 



Mentha fiubescens, Willd. — Differs from ^f. 

 aquatica, L., as follow:— Leaves dull-green and 

 hairy above, densely woolly below. Flowers 

 in a dense, cylindrical spike, interrupted below. 

 Calyx-teeth two-thirds the length of the tube, awl- 

 shaped. .August -October. Herbaceous perennial. 

 rrob,ably a hybrid. 



Marsh Woundwort (Slachys paluslris, L.). — 

 Differs from 5. sylvatica, L., as follows: — Stem 

 shorter, hollow. Leaves much narrower, with 

 VOL. VI. 



short (or no) slalks. Hairs less coarse. Odour 

 less disagreeable. Flowers paler. A hybrid with 

 5. syh'atint, L. (i". amhigua, Sm.) occurs. 



Order PolvgonacE/E 



Tear -Thumb (Polygonum sagiltalum, L.). — 

 Stem rough, with turned-b,ack prickles. Leaves 

 oblong-ovale to arrow-shaprd. Flowers white. 

 6 in.- 2 ft. July-October. Herbaceous annual. 

 North American, naturalized in County Kerry. 



Order .\i.is.MACEyE 



Canadian Arrowhead (.Sn-zV/nr/n helerophylla, 

 Pursh). — l.iavrs <ivatc - lanceolate. Flowers 

 while, willuiut purple markings. 6 in.-j ft. June. 

 Herbaceous perennial. Canadian. River Exc 

 (\V. P. Hicrn). 



Order Naiadace/K 



Loddon Pondweed (/"o/nmo^r/ox Drucei, Fryer). 

 — Floating leaves 46 in., leathery, blade gradu- 

 ally merging into the stalk, elliptic-lanceolate, 

 with net-like veins. Submerged leaves long, clear- 

 green. Fruit broadly obovate ; keel acute, tuber- 

 cled in acute angles below. June. Herbaceous 

 perennial. River Loddon. 



Potamogeton various. Fryer ( = P. spathiformis. 

 Tuck.). — Leaves inversely ovate, lower spoon- 

 shaped, mostly sessile. June - August. Her- 

 baceous perennial. Streams. Very rare. 



WASTE PLACES, ETC. 



Order PapaveracE/K 



Opium Poppy (Papaver somniferum, L.). — 

 Distinguished from other native poppies by the 

 glaucous stem-clasping leaves and the large white 

 or dull-purple flowers. 1-3 ft. July. Herbaceous 

 annual. 



Scarlet Horned Poppy (C/aucium comiculalum, 

 Curt. = G. phceniceum, Crantz). — Smaller than G. 

 luleuni, L. Flowers scarlet or wine-red, with a 

 black spot below. Capsule hairy, July. Her- 

 baceous biennial. 



ORtJER Ff.MARIACEiS 



Fumitory (Fumaria capreolata, L.). — Climbing 

 by twisted petioles. Leaves 2-pinnate; segments 

 broad, flat. Sepals half as long as corolla. Lower 

 petal gradually dilated at tip. Fruit square, blunt, 

 with a distinct neck. Fruit-.stalks turned back. 

 1-3 ft. May-September. Hcrb.aceous annual. 



Fumaria purpurea, Pugsley. — Differs from last 

 .as follows: — Sepals two-thirds as long as corolla. 

 Corolla purplish, tipped with dark-purple. Flower- 

 stalks spreading at first. Fruit smaller, slightly 

 wrinkled when dry. 



Fumaria occidentalis, Pugsley. — Robust, climb- 

 ing. Flowers large, rose with dark-purple tips. 

 Upper petals broadly winged. Fruil-stalks erect 

 or curving downwards. Fruit l.irge, roundish, 

 tubercled, wrinkled when dry. June-October. 

 Herbaceous annual. Cornwall. 



91 



